PAT 甲级1128. N Queens Puzzle (20)
作者:
动感新势力fan | 来源:发表于
2018-05-24 22:11 被阅读14次#include <iostream>
#include <vector>
#include <cmath>
using namespace std;
int main()
{
int k, n;
cin >> k;
for(int i = 0; i < k; i++){
cin >> n;
vector<int> v(n);
bool flag = true;
for(int j = 0; j < n; j++){
cin >> v[j];
for(int t = 0; t < j; t++){
if(v[t] == v[j] || abs(j - t) == abs(v[j] - v[t])){ flag = false; break;}
}
}
cout << (flag == true ? "YES\n" : "NO\n");
}
return 0;
}
本文标题:PAT 甲级1128. N Queens Puzzle (20)
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