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OI-codes/Luogu/CF1598B/CF1598B.cpp
2021-11-15 13:21:42 +08:00

39 lines
953 B
C++

#include <bits/stdc++.h>
using namespace std;
int t, n, cnt, l, r, a[1005][6];
bool flag;
int main() {
cin >> t;
while (t--) {
flag = false;
cin >> n;
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= 5; j++) {
cin >> a[i][j];
}
}
for (int i = 1; i <= 5; i++) {
for (int j = i + 1; j <= 5; j++) {
cnt = l = r = 0;
for (int k = 1; k <= n; k++) {
if (a[k][i] == 1 && a[k][j] == 1) {
cnt++;
} else {
l += a[k][i];
r += a[k][j];
}
}
if (cnt + l + r == n && l <= n / 2 && r <= n / 2) {
flag = true;
break;
}
}
}
cout << (flag ? "Yes" : "No") << endl;
}
return 0;
}