3 条题解
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0
Unknown User @ 2025-7-13 15:06:22
#include <bits/stdc++.h> using namespace std;
int main() { int n,a[200005],x; scanf("%d",&n); for(int i=1;i<=n;i++){ scanf("%d",&x); if(a[x]==0){ cout<<x<<" "; a[x]=1; } }
return 0;}
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-1
#include <bits/stdc++.h> using namespace std;
int main() { int n, a[200005], x; scanf("%d", &n); for (int i = 1; i <= n; i++) { scanf("%d", &x); if ( a[x] == 0) { cout << x << " "; a[x] = 1; } } return 0; }
Unknown User
@ 2025-7-13 15:03:39
- 1
