Submission #345328

#	Time	Username	Problem	Language	Result	Execution time	Memory
345328		bachaquer	UFO (IZhO14_ufo)	C++14	30 / 100	2083 ms	8948 KiB

ufo

#include <bits/stdc++.h>

#define ll long long
#define pb push_back

using namespace std;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL); cout.tie(NULL);
    ll n, m, r, k, p;
    cin >> n >> m >> r >> k >> p;
    ll l[n][m];
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            cin >> l[i][j];
        }
    }
    char c;
    int x, h;
    for (int t = 0; t < k; t++) {
        cin >> c >> x >> h;
        ll ups = 0;
        if (c == 'W') {
            for (int j = 0; j < m && ups < r; j++) {
                if (l[x - 1][j] >= h) {
                    l[x - 1][j]--;
                    ups++;
                }
            }
        }
        else if (c == 'N') {
            for (int i = 0; i < n && ups < r; i++) {
                if (l[i][x - 1] >= h) {
                    l[i][x - 1]--;
                    ups++;
                }
            }
        }
        else if (c == 'E') {
            for (int j = m - 1; j >= 0 && ups < r; j--) {
                if (l[x - 1][j] >= h) {
                    l[x - 1][j]--;
                    ups++;
                }
            }
        }
        else if (c == 'S') {
            for (int i = n - 1; i >= 0 && ups < r; i--) {
                if (l[i][x - 1] >= h) {
                    l[i][x - 1]--;
                    ups++;
                }
            }
        }
    }
    ll mx = 0;
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            ll sum = 0;
            if (p > j + 1 || p > i + 1) continue;
            bool br = false;
            for (int up = i; up >= i - p + 1; up--) {
                for (int left = j; left >= j - p + 1; left--) {
                    sum += l[up][left];
                    if (l[up][left] == 0) {
                        br = true;
                        break;
                    }
                }
                if (br) break;
            }
            if (br) continue;
            mx = max(sum, mx);
        }
    }
    cout << mx;
    return 0;
}

• Subtask 1: 30 / 100