Submission #833325

#	Time	Username	Problem	Language	Result	Execution time	Memory
833325		vjudge1	Exam (eJOI20_exam)	C++17	0 / 100	1 ms	212 KiB

exam

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

int n, m;
const int maxn = 2504;

int prevw;
int prevh[maxn];

int main() {
    cin >> n >> m;

    int maxpossiblew = maxn;
    int maxpossibleh = maxn;
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= m; j++) {
            char x;
            cin >> x;
            if (x == '1') {
                prevw++;
                prevh[j]++;
            } else {
                if (prevw > 0) {
                    maxpossiblew = min(maxpossiblew, prevw);
                }
                if (prevh[j] > 0) {
                    maxpossibleh = min(maxpossibleh, prevh[j]);
                }
                prevw = 0;
                prevh[j] = 0;
            }
        }
        if (prevw > 0) {
            maxpossiblew = min(maxpossiblew, prevw);
        }
        prevw = 0;
    }
    for (int j = 1; j <= m; j++) {
        if (prevh[j] > 0)
            maxpossibleh = min(maxpossibleh, prevh[j]);
    }

    cout << maxpossibleh * maxpossiblew << endl;

    return 0;
}

• Subtask 1: 0 / 14
• Subtask 2: 0 / 12
• Subtask 3: 0 / 13
• Subtask 4: 0 / 23
• Subtask 5: 0 / 16
• Subtask 6: 0 / 22