52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
#include <bits/stdc++.h>
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using namespace std;
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const int N = 110;
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int main() {
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int T;
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cin >> T;
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while (T--) {
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int res = 0;
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int n, m;
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int a[N][N];
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cin >> n >> m;
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for (int i = 1; i <= n; i++) {
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string s;
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cin >> s;
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for (int j = 1; j <= m; j++) {
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a[i][j] = s[j - 1] - '0';
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}
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}
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// for (int i = 1; i <= n;i++){
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// for (int j = 1; j <= m;j++){
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// cout << a[i][j] << " ";
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// }
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// cout << endl;
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// }
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for (int i = 1; i + 3 <= n; i++) {
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for (int j = 1; j + 3 <= m; j++) {
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int cnt = 0;
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if (a[i][j] == 0 && a[i + 1][j] == 0 && a[i + 2][j] == 0 && a[i + 3][j] == 0) {
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cnt++;
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}
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if (a[i + 3][j] == 0 && a[i + 3][j + 1] == 0 && a[i + 3][j + 2] == 0 && a[i + 3][j + 3] == 0) {
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cnt++;
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}
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if (a[i + 1][j] == 0 && a[i + 1][j + 1] == 1 && a[i + 1][j + 2] == 1 && a[i + 1][j + 3] == 0) {
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cnt++;
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}
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if (a[i + 2][j] == 0 && a[i + 2][j + 1] == 1 && a[i + 2][j + 2] == 1 && a[i + 2][j + 3] == 0) {
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cnt++;
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}
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if (cnt == 4) {
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res++;
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}
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}
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}
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if (res == 0)
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cout << "No" << endl;
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else
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cout << "Yes" << endl;
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}
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return 0;
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} |