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  1. #include<stdio.h>
  2. double power(double x, int n);
  3. double multiply(double x, int n);
  4. double divide(double x, int n);
  5. typedef double (*use)(double,int);
  6. double powerpower(use , double x, int n, int m);
  7. int main(){
  8. 	double x;
  9. 	int n,m;
  10. 	scanf("%f%d%d",&x,&n,&m);
  11.  
  12. 	printf("%f\n",powerpower(power, x, n, m));
  13.  
  14. 	printf("%f\n",powerpower(multiply, x, n, m));
  15.  
  16. 	printf("%f",powerpower(divide, x, n, m));
  17. } 
  18.  
  19. double power(double x, int n){
  20. 	if(n==1){
  21. 		return x;
  22. 	}
  23. 	else{
  24. 		return (x*power(x,n-1));
  25. 	}
  26. }
  27.  
  28. double multiply(double x, int n){
  29. 	return (x*n);
  30. }
  31.  
  32. double divide(double x, int n){
  33. 	return (x/n);
  34. }
  35.  
  36. double powerpower(use s, double x, int n, int m){
  37. 	double i=s(x,n);
  38. 	if(m==1){
  39. 		return i;
  40. 	} 
  41. 	else{
  42. 		double j= power(i,m);
  43. 		return j;
  44. 	}
  45.  
  46. }
Runtime error #stdin #stdout 0.39s 1531904KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
https://ideone.com/PjZtZv
language:
C (gcc 8.3)
created:
7 years ago
visibility:
public

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