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  1. #include <stdio.h>
  2. #include <stdbool.h>
  3. int main(void) {
  4. 	int arr[7]={1,3,2,4,1,2,3};
  5.  
  6.      for(int i=0;i<7;i++){
  7.         bool check=false;
  8.          for(int j=i+1;j<7;j++){
  9.           if(arr[i]==arr[j]){
  10.              check=true;
  11.            }
  12.          }
  13.          if(check==false){
  14.              printf("%d",arr[i]);
  15.              break;
  16.          }
  17.      }
  18.  
  19. 	return 0;
  20. }
  21.  
Success #stdin #stdout 0s 5300KB
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https://ideone.com/mdNI28
language:
C (gcc 8.3)
created:
6 days ago
visibility:
public

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