Submission #349033

#	Time	Username	Problem	Language	Result	Execution time	Memory
349033		SeDunion	Bomb (IZhO17_bomb)	C++17	24 / 100	211 ms	12780 KiB

bomb

#include<bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 1e6 + 66;

int n, m;
char c[2502][2502];

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0), cout.tie(0);
	cin >> n >> m;
	for (int i = 0 ; i < n ; ++ i) {
		for (int j = 0 ; j < m ; ++ j) {
			cin >> c[i][j];
		}
	}
	int mnX = N;
	for (int i = 0 ; i < n ; ++ i) {
		int cur = 0;
		for (int j = 0 ; j < m ; ++ j) {
			if (c[i][j] == '0') {
				if (j && c[i][j - 1] == '1') {
					mnX = min(mnX, cur);
				}
				cur = 0;
			} else {
				cur++;
			}
		}
		if (c[i][m - 1] == '1') {
			mnX = min(mnX, cur);
		}
	}
	int mnY = N;
	for (int i = 0 ; i < m ; ++ i) {
		int cur = 0;
		for (int j = 0 ; j < n ; ++ j) {
			if (c[j][i] == '0') {
				if (j && c[j - 1][i] == '1') {
					mnY = min(mnY, cur);
				}
				cur = 0;
			} else {
				cur++;
			}
		}
		if (c[n - 1][i] == '1') {
			mnY = min(mnY, cur);
		}
	}
	//cout << mnX << " " << mnY << endl;
	cout << mnX * mnY;
}

• Subtask 1: 24 / 100