DAA_LAB/Filemerging.cpp at main · Divyanshupanwar/DAA_LAB · GitHub

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#include<bits/stdc++.h>
using namespace std;
void merge(vector<int>&arr){
       priority_queue<int,vector<int>,greater<int>>pq;
       for(int i:arr){
           pq.push(i);
       }
       int prev  = 0;
       int ans  = 0;
       while(!pq.empty()){
          int top = pq.top();
          ans += prev + top;
          prev  = ans;

       }
       cout<<ans<<endl;

}

int main(){
    int n;
    cout<<"enter no of files:"<<endl;
    cin>>n;
    vector<int>file(n,0);
    for(int i = 0;i< file.size();i++){
        cin>>file[i];

    }
    merge(file);
    return 0;
}


  return 0;
}