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  1. #include <stdio.h>
  2. int powerSum(int x, int y){
  3.   int sum = 0, p = 1;
  4.   for(int i = 0; i <= y; i++){
  5.     sum += p;
  6.     p *= x;
  7.   }
  8.   return sum;
  9.  
  10.  
  11. }
  12.  
  13. int main(void) {
  14. 	printf("%d",powerSum(2,3));
  15.  
  16. 	return 0;
  17. }
  18.  
Success #stdin #stdout 0s 5292KB
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stdin 
Standard input is empty
stdout 
15
https://ideone.com/Q1ktUR
language:
C (gcc 8.3)
created:
7 days ago
visibility:
public

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