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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int arr[8]={1,2,3,4,5,6,7,8};
  5.     int x=10;
  6.     int count=0;
  7.  
  8.      for(int i=0;i<8;i++){
  9.          for(int j=i+1;j<8;j++){
  10.             for(int k=j+1;k<8;k++){
  11.  
  12.             if( arr[i]+arr[j]+arr[k]==x) count++;
  13.             else continue;
  14.              }
  15.          }
  16.       }
  17.       printf("The no. of pairs are:%d",count);
  18. 	return 0;
  19. }
  20.  
Success #stdin #stdout 0s 5320KB
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Standard input is empty
stdout
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The no. of pairs are:4
https://ideone.com/wQNy7l
language:
C (gcc 8.3)
created:
11 hours ago
visibility:
public

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