fork download
copy 
  1. #include<bits/stdc++.h>
  2. using namespace std;
  3.  
  4. main(){
  5.     int n,ans=0,sum=0;
  6.     cin>>n;
  7.     vector<int>v(n);
  8.     for(auto &it:v)cin>>it;
  9.     map<int,int>mp;
  10.     vector<pair<int,int>>p;
  11.     for(auto &it:v)mp[it]++;
  12.     for(auto &it:mp)p.push_back({it.first,it.second});
  13.     for(int i=p.size()-1;i>0;i--){
  14.         ans+=p[i].second;
  15.         p[i-1].second+=p[i].second;
  16.     }
  17.     cout<<ans<<"\n";
  18. }
Success #stdin #stdout 0.01s 5332KB
comments (?)
stdin
copy 
5
5 4 2 4 5
stdout
copy 
6
https://ideone.com/WpDqzU
language:
C++14 (gcc 8.3)
created:
11 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!