제출 #91717

#제출 시각아이디문제언어결과실행 시간메모리
91717popovicirobertBomb (IZhO17_bomb)C++14
24 / 100
51 ms12764 KiB
#include <bits/stdc++.h>
#define lsb(x) (x & (-x))
#define ll long long
#define ull unsigned long long
#define ld long double
// 217
// 44

using namespace std;

const int MAXN = 2505;

char mat[MAXN + 1][MAXN + 1];

int main() {
    //ifstream cin("A.in");
    //ofstream cout("A.out");
    int i, j, n, m;
    ios::sync_with_stdio(false);
    cin.tie(0), cout.tie(0);
    cin >> n >> m;
    int l = n, c = m;
    for(i = 1; i <= n; i++) {
        cin >> mat[i] + 1;
        for(j = 1; j <= m; j++) {
            mat[i][j] -= '0';
        }
        int cur = 0;
        for(j = 1; j <= m; j++) {
            cur = (cur + 1) * mat[i][j];
            if(mat[i][j] == 1 && mat[i][j + 1] == 0) {
                c = min(c, cur);
            }
        }
    }
    for(j = 1; j <= m; j++) {
        int cur = 0;
        for(i = 1; i <= n; i++) {
            cur = (cur + 1) * mat[i][j];
            if(mat[i][j] && mat[i + 1][j] == 0) {
                l = min(l, cur);
            }
        }
    }
    cout << l * c;
    //cin.close();
    //cout.close();
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

bomb.cpp: In function 'int main()':
bomb.cpp:24:23: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
         cin >> mat[i] + 1;
                ~~~~~~~^~~
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