Problem: Example

Input

4 4
1 2 3
1 3 3
2 3 3
2 4 3


Output

1 3

Solution (in CPP):

Solution:
#include <bits/stdc++.h>
#define N 501
#define M 50001
#define MAX_N 50001
#define rank Asdfiasofsad
using namespace std;

class UF{
public:
  vector<int> par,rank;
  UF(){
    par.resize(MAX_N),rank.resize(MAX_N);
    for(int i=0;i<MAX_N;i++)par[i]=i,rank[i]=0;
    
  }

  UF(int n){
    par.resize(n),rank.resize(n);
    for(int i=0;i<n;i++)par[i]=i,rank[i]=0;
  }
  
  int find(int x){
    if(par[x]==x)return x;
    return par[x]=find(par[x]);
  }
  
  void unite(int x,int y){
    x=find(x), y=find(y);
    if(x==y)return;
    if(rank[x]<rank[y])par[x]=y;
    else{
      par[y]=x;
      if(rank[x]==rank[y])rank[x]++;
    }
  }

  bool same(int x,int y){return find(x)==find(y);}
};

typedef pair<int,int> P;
typedef pair<int,P> PP;
vector<PP> edge;
int n,m,used[M];

int kruskal(int NG){
  UF U;

  int res=0;
  for(int i=0;i<m;i++){
    int a=edge[i].second.first;
    int b=edge[i].second.second;
    int c=edge[i].first;
    if(U.same(a,b)||i==NG)continue;
    used[i]=1;
    U.unite(a,b);
    res+=c;
  }
  for(int i=0;i<n;i++)if(!U.same(0,i))return -1;
  return res;
}

int main(){
  cin>>n>>m;
  int sum=0;
  for(int i=0,a,b,c;i<m;i++){
    cin>>a>>b>>c;
    edge.push_back(PP(c,P(a-1,b-1)));
    sum+=c;
  }

  sort(edge.begin(),edge.end());
  int cnt=m,mncost=kruskal(-1);
  for(int i=0;i<m;i++)
    if(!used[i]||kruskal(i)==mncost)cnt--,sum-=edge[i].first;

  cout<<cnt<<" "<<sum<<endl;
  return 0;
}