哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁

哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁

哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀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哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁

哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁哈哈哈哈哈哈哈哈哈哈哈我™太喜欢树链剖分了哈哈哈哈哈哈❤❤❤❤❤❤❤❤❤❤哈哈哈哈哈哈哈哈哈树链剖分是世界上最好玩的算法！！！我太喜欢调了！！😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁调试性太强了！！😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀😁😀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