Submission #1106798

#	Time	Username	Problem	Language	Result	Execution time	Memory
1106798		stdfloat	Bomb (IZhO17_bomb)	C++17	15 / 100	1078 ms	13672 KiB

bomb

#include <bits/stdc++.h>
using namespace std;

using ll = long long;

int main() {
	ios::sync_with_stdio(false); cin.tie(nullptr);

	int n, m;
	cin >> n >> m;

	vector<string> a(n);
	for (auto &i : a)
		cin >> i;

	int mn1 = INT_MAX, mn2 = mn1;
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < m; j++) {
			if (a[i][j] == '0') continue;

			int l = i, r = i;
			while (0 < l && a[l - 1][j] == '1') l--;
			while (r + 1 < n && a[r + 1][j] == '1') r++;
			mn1 = min(mn1, r - l + 1);

			l = r = j;
			while (0 < l && a[i][l - 1] == '1') l--;
			while (r + 1 < m && a[i][r + 1] == '1') r++;
			mn2 = min(mn2, r - l + 1);
		}
	}

	cout << (mn1 == INT_MAX ? n * m : mn1 * mn2);
}

• Subtask 1: 15 / 100