Submission #990890

#	Time	Username	Problem	Language	Result	Execution time	Memory
990890		Celebi_276	Schools (IZhO13_school)	C++17	30 / 100	2 ms	604 KiB

school

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

int k, n, m, a[1024], b[1024];
vector <vector <int>> dp[2];
bool p, q;

signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL); cout.tie(NULL);

    cin >> k >> n >> m;
    for (int i = 1; i <= k; i++) cin >> a[i] >> b[i];

    dp[0].assign(n + 1, vector<int>(m + 1, 0));
    dp[1].assign(n + 1, vector<int>(m + 1, 0));

    p = 1; q = 0;

    for (int i = 1; i <= k; i++) {
        swap(p, q);
        for (int x = 0; x <= n; x++)
            for (int y = 0; y <= m; y++) {
                dp[q][x][y] = dp[p][x][y];
                if (x) dp[q][x][y] = max(dp[q][x][y], dp[p][x - 1][y] + a[i]);
                if (y) dp[q][x][y] = max(dp[q][x][y], dp[p][x][y - 1] + b[i]);
            }
    }

    cout << dp[q][n][m];

    return 0;
}

• Subtask 1: 30 / 100