Submission #591479

#	Time	Username	Problem	Language	Result	Execution time	Memory
591479		piOOE	Fire (JOI20_ho_t5)	C++17	0 / 100	108 ms	262144 KiB

ho_t5

#include <bits/stdc++.h>

using namespace std;

using ll = long long;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int n, q;
    cin >> n >> q;
    vector<vector<int>> s(n + 1, vector<int>(n));
    for (int i = 0; i < n; ++i) {
        cin >> s[0][i];
    }
    for (int t = 1; t <= n; ++t) {
        for (int i = 0; i < n; ++i) {
            s[t][i] = max(s[t - 1][i], (i >= t ? s[t - 1][i - t] : 0));
        }
    }
    while (q--) {
        int t, l, r;
        cin >> t >> l >> r;
        ll ans = 0;
        for (int i = l - 1; i < r; ++i) {
            ans += s[t][i];
        }
        cout << ans << '\n';
    }
    return 0;
}

• Subtask 1: 0 / 1
• Subtask 2: 0 / 6
• Subtask 3: 0 / 7
• Subtask 4: 0 / 6
• Subtask 5: 0 / 80