Submission #961679

#	Time	Username	Problem	Language	Result	Execution time	Memory
961679		Unforgettablepl	Election Campaign (JOI15_election_campaign)	C++17	10 / 100	43 ms	8804 KiB

election_campaign

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

#define int long long

const int modulo = 1e9+7;

int DP[100001];
vector<pair<int,int>> transitions[100001];

int32_t main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int n,m;
    cin >> n;
    for(int i=1;i<n;i++)cin>>m>>m;
    cin >> m;
    for(int i=1;i<=m;i++){
        int a,b,c;cin>>a>>b>>c;
        if(a>b)swap(a,b);
        transitions[b].emplace_back(a-1,c);
    }
    for(int i=1;i<=n;i++){
        DP[i] = DP[i-1];
        for(auto&x:transitions[i])DP[i]=max(DP[i],x.second+DP[x.first]);
    }
    cout << DP[n] << '\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