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  1. #include<iostream>
  2. using namespace std;
  3. int power(int x, int y)
  4. {
  5.     if(y==0)
  6.     {
  7.         return 1;
  8.  
  9.     }
  10.  
  11.     else if(y%2==0)
  12.     {
  13.         return power(x,y/2)*power(x,y/2);
  14.     }
  15.     else{
  16.         return x*power(x,y/2)*power(x,y/2);
  17.     }
  18.  
  19.  
  20.  
  21. }
  22.  
  23.  
  24. int main()
  25. {
  26.     int x,y;
  27.     cout<<"Enter number xand y"<<endl;
  28.     cin>>x>>y;
  29.  
  30.     cout<<power(x,y);
  31.  
  32.     return 0;
  33.  
  34.  
  35. }
  36.  
Success #stdin #stdout 0.01s 5524KB
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stdin
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Standard input is empty
stdout
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Enter number xand y
0
https://ideone.com/YZZnoF
language:
C++14 (gcc 8.3)
created:
1 year ago
visibility:
public

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