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  1. #include <iostream>
  2. #include <bits/stdc++.h>
  3. #include <algorithm>
  4. #include <functional>
  5. using namespace std;
  6.  
  7. int cd1(vector<int>&a,vector<int>&b){
  8.     int n=a.size();
  9.     int sum_constant=0;
  10.     for(int i=0;i<n;i++){
  11.         sum_constant+=b[i]*n-a[i];
  12.     }
  13.  
  14.     int sum_variable=0;
  15.     vector<int>j(n);
  16.     for(int l=0;l<n;l++){
  17.         j[l]=l+1;
  18.     }
  19.  
  20.     vector<int>temp(n);
  21.     for(int k=0;k<n;k++){
  22.         temp[k]=a[k]-b[k];
  23.     }
  24.  
  25.     sort(temp.begin(),temp.end());
  26.     sort(j.begin(),j.end(),greater<int>());
  27.  
  28.     for(int m=0;m<n;m++){
  29.         sum_variable+=temp[m]*j[m];
  30.     }
  31.     return sum_variable+sum_constant;
  32.  
  33. }
  34. int main(){
  35.     int n;
  36.     cin>>n;
  37.     vector<int>a(n);
  38.     vector<int>b(n);
  39.     for(int i=0;i<n;i++){
  40.         cin>>a[i];
  41.         cin>>b[i];
  42.     }
  43.     int ans=cd1(a,b);
  44.     cout<<"The minimum dissatisfaction from the customers: "<<ans<<endl;
  45.     return 0;
  46.  
  47.  
  48. }
Success #stdin #stdout 0.01s 5288KB
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stdin
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4 
2 4
3 3
7 1
2 3
stdout
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The minimum dissatisfaction from the customers: 25
https://ideone.com/zvA4S7
language:
C++ (gcc 8.3)
created:
8 hours ago
visibility:
public

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