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  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. int main(){
  5.  
  6. 	int c, dig;
  7. 	scanf("%d", &c);
  8. 	double d[c];
  9. 	int n[c], m[c];
  10. 	for (int i = 0; i < c; ++i)
  11. 	{
  12. 		scanf("%d %d", &n[i], &m[i]);
  13. 		d[i]= pow(n[i],m[i]);
  14. 	}
  15. 	for (int i = 0; i < c; ++i)
  16. 	{
  17. 		dig=1;
  18. 		while(d[i]>=10){
  19. 			d[i] /=10;
  20. 			dig++;
  21. 		}
  22. 		printf("%d\n", dig);
  23. 	}
  24.  
  25. 	return 0;
  26. }
Success #stdin #stdout 0s 4340KB
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https://ideone.com/FbyHHa
language:
C (gcc 8.3)
created:
4 years ago
visibility:
public

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