Submission #222990

#	Time	Username	Problem	Language	Result	Execution time	Memory
222990		brcode	timeismoney (balkan11_timeismoney)	C++14	40 / 100	18 ms	1020 KiB

timeismoney

#include <iostream>
#include <bits/stdc++.h>
using namespace std;
const long long MAXN = 210;
vector<pair<pair<long long,long long>,pair<long long,long long>>> edges;
vector<pair<int,int>> ans;
long long par[MAXN];
long long sz[MAXN];
long long getpar(long long a){
    if(par[a] == a){
        return a;
    }
    return par[a] = getpar(par[a]);
}
void merge(long long a,long long b){
    a = getpar(a);
    b = getpar(b);
    if(a==b){
        return;
    }
    if(sz[a]>sz[b]){
        swap(a,b);
    }
    par[a] = b;
    sz[b]+=sz[a];
}
int main(){
    long long n,m;
    cin>>n>>m;
    long long sum1 = 0;
    long long sum2 = 0;
    for(long long i=1;i<=m;i++){
        long long x,y;
        cin>>x>>y;
        long long w1,w2;
        cin>>w1>>w2;
        edges.push_back(make_pair(make_pair(w1,w2),make_pair(x,y)));
        sum1+=w1;
        sum2+=w2;
    }
    for(long long i=0;i<=n;i++){
        par[i] = i;
        sz[i] = 1;
    }
    if(n==m-1){
        cout<<sum1<<" "<<sum2<<endl;
        for(auto x:edges){
            cout<<x.second.first<<" "<<x.second.second<<endl;
            
        }
        return 0;
    }
    sort(edges.begin(),edges.end());
    long long res = 0;
    for(auto e:edges){
        long long x = e.second.first;
        long long y = e.second.second;
        long long w = e.first.first;
        if(getpar(x)!=getpar(y)){
            merge(x,y);
            res+=w;
            ans.push_back(make_pair(x,y));
        }
    }
    cout<<res<<" "<<res<<endl;
    for(auto x:ans){
        cout<<x.first<<" "<<x.second<<endl;
    }
}

• Subtask 1: 40 / 100