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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <math.h>
  4.  
  5. long long int power(int a, int b)
  6. {
  7. 	long long int ret=1;
  8. 	long long int y=(long long int)a;
  9. 	int z;
  10. 	for(z=1;z<=b;z++)
  11. 	{
  12. 		ret*=y;
  13. 	}
  14. 	return ret;
  15. }
  16.  
  17. int main()
  18. {
  19. 	long long int l,r;
  20. 	scanf("%lld%lld", &l,&r);
  21.  
  22. 	int k;
  23. 	scanf("%d", &k);
  24.  
  25. 	double min;
  26. 	double max;
  27.  
  28. 	min=log10(l)/log10(k);
  29. 	max=log10(r)/log10(k);
  30.  
  31. 	printf("%f\t%f\n", min,max);
  32.  
  33. 	if(min!=(int)min)
  34. 	min=((int)min)+1;
  35.  
  36. 	if(max!=(int)max)
  37. 	max=((int)max);
  38.  
  39. 	printf("%f\t%f\n", min,max);
  40. 	int i;
  41. 	int count=0;
  42.  
  43. 	long long int x;
  44.  
  45. 	for(i=(int)min;i<=(int)max;i++)
  46. 	{
  47. 		x=power(k,i);
  48. 		if(x<=r)
  49. 		{
  50. 			printf("%lld ", x);
  51. 			count++;
  52. 		}
  53. 	}
  54.  
  55. 	if(count==0)
  56. 	printf("-1");
  57.  
  58. 	return 0;
  59. }
Success #stdin #stdout 0s 3460KB
comments (?)
stdin 
1 243 3
stdout 
0.000000	5.000000
0.000000	5.000000
1 3 9 27 81 243
https://ideone.com/X9kngM
language:
C++ (gcc 8.3)
created:
8 years ago
visibility:
public

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