Code
#include <bits/stdc++.h>
using namespace std;
int32_t main () {
int t = 1;
cin >> t;
while (t--) {
int n, x, ok = 1;
cin >> n;
int a[n+1]{};
for (int i = 0; i < n; i++) {
cin >> x;
a[x] = 1;
}
for (int i = 1; i <= n; i++) {
if (!a[i]) ok = 0;
}
if (ok) cout << "YES\n";
else cout << "NO\n";
}
}
Information
- Submit By
- Type
- Submission
- Problem
- P1055 Array Permutation
- Contest
- Brain Booster #3
- Language
- C++20 (G++ 13.2.0)
- Submit At
- 2024-05-06 15:05:32
- Judged At
- 2024-11-11 03:35:16
- Judged By
- Score
- 100
- Total Time
- 4ms
- Peak Memory
- 348.0 KiB