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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. void init(){
  5. cin.tie(0);
  6. cin.sync_with_stdio(0);
  7. }
  8. int main()
  9. {
  10.    init();
  11. 	unsigned long long  n , m , count1=0 ;
  12. 	cin >>n >>m;
  13. 	 long long  a[n];
  14. 	for (int i=0 ; i<n ; i++)
  15.     cin >>a[i];
  16.     for (int i=0 ; i<n ; i++){
  17.     for (int j=i+1 ; j<n ; j++){
  18.     if (a[i]==a[j])
  19.      continue;
  20.     else
  21.     count1++;
  22.     } }
  23.     cout <<count1;
  24. 	return 0;
  25. }
  26.  
Success #stdin #stdout 0.01s 5284KB
comments (?)
stdin
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7 4
4 2 3 1 2 4 3
stdout
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18
https://ideone.com/sB83yl
language:
C++ (gcc 8.3)
created:
8 days ago
visibility:
public

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