Submission #957250

#	Time	Username	Problem	Language	Result	Execution time	Memory
957250		adaawf	Skyline (IZhO11_skyline)	C++14	100 / 100	116 ms	55244 KiB

skyline

#include <iostream>
using namespace std;
int n, f[305][205][205], a[305];
int trya(int i, int x, int y) {
    if (i == n + 1) return 0;
    if (f[i][x][y] != 0) return f[i][x][y];
    int res = 1e9;
    if (x == 0) res = trya(i + 1, y, a[i + 2]);
    else {
        res = min(res, trya(i, x - 1, y) + 3);
        if (y != 0) {
            res = min(res, trya(i, x - 1, y - 1) + 5);
            if (x <= min(y, a[i + 2])) res = min(res, trya(i + 1, y - x, a[i + 2] - x) + x * 7);
        }
    }
    f[i][x][y] = res;
    return res;
}
int main() {
    cin >> n;
    for (int i = 1; i <= n; i++) {
        cin >> a[i];
    }
    cout << trya(1, a[1], a[2]);
}

• Subtask 1: 100 / 100