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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. int potega(int x, int n)
  5. {
  6.     if(n==0) return 1;
  7.     if(n&1) return x*potega(x, n-1);
  8.     else
  9.     {
  10.         int a=potega(x, n/2);
  11.         return a*a;
  12.     }
  13. }
  14.  
  15. int main()
  16. {
  17.     printf("%d\t%d\t%d\t%d", potega(0, 5), potega(13, 3), potega(13, 0), potega(12, 1));
  18.     return 0;
  19. }
Success #stdin #stdout 0s 2896KB
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stdin
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Standard input is empty
stdout
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0	2197	1	12
https://ideone.com/yP9Q8V
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
public

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