Submission #6107321

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Source Code Expand

#define _GLIBCXX_DEBUG
#include <iostream>
#include <cstdio>
#include <vector>
#include <algorithm>
#include <utility>
#include <string>
using namespace std;
typedef long long ll;
#define ALL(v) (v).begin(), (v).end()
const int mod = 1e9+7;

int main() {
    int H, W;
    cin >> H >> W;
    bool s[H][W];
    for (int i = 0; i < H; i++) {
        for (int j = 0; j < W; j++) {
            s[i][j] = false;
        }
    }
    for (int i = 0; i < H; i++) {
        for (int j = 0; j < W; j++) {
            char c;
            cin >> c;
            if (c == '#') s[i][j] = true;
        }
    }

    for (int i = 0; i < H; i++ ) {
        for (int j = 0; j < W; j++) {
            if (s[i][j] == true) {
                if (s[min(H, i+1)][j] == false && s[i][min(W, j+1)] == false &&
                    s[max(0, i-1)][j] == false && s[i][max(0, j-1)] == false) {

                    cout << "No" << endl;
                    return 0;
                }
            }
        }
    }

    cout << "Yes" << endl;
    return 0;
}

Submission Info

Judge Result