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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int a, n, c, sum=0, i;
  5.  
  6. 	scanf("%d", &n);
  7.  
  8. 	c=n;
  9.  
  10. 	do{
  11. 		for(i=10; i<c; i*=10){
  12. 		a=c%i;
  13. 		a=a/i*10;
  14. 		sum=sum+a*a;
  15. 		}
  16. 		c=sum;
  17. 	}while((sum==1) ||(sum==n));
  18.  
  19. 	if(sum==1){
  20. 		printf("a");
  21. 	}
  22. 	if(sum==n){
  23. 		printf("i");
  24. 	}
  25. 	return 0;
  26. }
  27.  
Success #stdin #stdout 0s 5320KB
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https://ideone.com/hW1xnD
language:
C99 (gcc 8.3)
created:
20 hours ago
visibility:
public

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