Submission #1294499

#	Time	Username	Problem	Language	Result	Execution time	Memory
1294499		nathlol2	Election Campaign (JOI15_election_campaign)	C++20	10 / 100	49 ms	3100 KiB

election_campaign

#include <bits/stdc++.h>
using namespace std;
const int N = 1e5 + 5;
int n, m, dp[N];
vector<pair<int, int>> g[N];
signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    cin >> n;
    for(int i = 0;i<n - 1;i++){
        int _, __;
        cin >> _ >> __;
    }
    cin >> m;
    for(int i = 0;i<m;i++){
        int l, r, w;
        cin >> l >> r >> w;
        g[max(l, r)].push_back({min(l, r), w});
    }
    for(int i = 1;i<=n;i++){
        dp[i] = dp[i - 1];
        for(auto [v, w] : g[i]){
            dp[i] = max(dp[i], dp[v - 1] + w);
        }
    }
    cout << *max_element(dp, dp + N);
}

• Subtask 1: 0 / 10
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 0 / 30
• Subtask 5: 0 / 10
• Subtask 6: 0 / 40