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  1. //Noureddin Sameer Nazir Alzarie e-mail: adx2187@gmail.com
  2. #include <stdio.h>
  3. int main() {
  4.     int n,sum=0,counter=0,min=0,max=0;
  5.     scanf("%d", &n);
  6.     int f[n];
  7.     for(int i=0;i<n;i++){
  8.         scanf("%d", &f[i]);
  9.         if(i==0){
  10.             min=f[0];
  11.             max=f[0];
  12.         }
  13.         if(max<f[i]){
  14.             max=f[i];
  15.         }
  16.         if(min>f[i]){
  17.             min=f[i];
  18.         }
  19.     } 
  20.     sum=max+min;
  21.     for(int i=0;i<n;i++){ 
  22.         for(int j=i+1;j<n;j++){
  23.             if(sum==f[i]+f[j]){
  24.                 counter++;
  25.             }
  26.         }
  27.     }
  28.     printf("%d",counter);
  29.     return 0;
  30. }
Success #stdin #stdout 0s 5392KB
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https://ideone.com/lLtlrh
language:
C (gcc 8.3)
created:
1 year ago
visibility:
public

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