Submission #1180560

#	Time	Username	Problem	Language	Result	Execution time	Memory
1180560		mishasim	T-Covering (eJOI19_covering)	C++20	0 / 100	2 ms	580 KiB

covering

#include <iostream>
#include <vector>

using namespace std;

#define endl '\n'

long long n, m, klk, r, c, res, all, b;

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    cin >> n >> m;

    vector<vector<long long>> k(n+2, vector<long long>(m+2));

    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) cin >> k[i][j];
    }

    cin >> klk;
    b = 0;
    res = 0;

    for (int i = 1; i <= klk; i++) {
        cin >> r >> c;
        if ((r == 0 && c == 0) || (r == 0 && c == m - 1) || (r == n - 1 && c == 0) || (r == n - 1 && c == m - 1)) b = 1;
        else {
            all = k[r][c] + k[r - 1][c] + k[r + 1][c] + k[r][c - 1] + k[r][c + 1];
            res += all - min(k[r - 1][c], min(k[r + 1][c], min(k[r][c - 1], k[r][c + 1])));
        }
    }

    if (b == 1) cout << "No";
    else cout << res;

    return 0;
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 15
• Subtask 6: 0 / 20
• Subtask 7: 0 / 30