제출 #1030886

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1030886		vjudge1	Rooted MST (innopolis2021_final_E)	C++17	0 / 100	291 ms	12628 KiB

Main

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

#define int long long
#define f first
#define s second

mt19937 gnd(time(NULL));

void solve(){
    int n, m;
    cin >> n >> m;
    int ans = 0;

    vector<int> v(n-1);
    for(int i = 0; i < n-1; i++){
        int a, b;
        cin >> a >> b;
        cin >> v[i];
        ans+=v[i];
    }
    int q;
    cin >> q;
    while(q--){
        int r, p;
        cin >> r >> p;
        ans-=v[r-1];
        v[r-1]=p;
        ans+=p;
        cout << ans << endl;
    }

}


signed main(){
    int t = 1;
    // cin >> t;
    while(t--) solve();

}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 20
• Subtask 8: 0 / 20