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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. int a, n;
  5. int terms[10];
  6. int sum = 0;
  7. int temps = 1;
  8.  
  9. scanf("%d", &a);
  10. scanf("%d", &n);
  11.  
  12. for (int i = 0; i < n; i++)
  13. {temps = temps * a;
  14. terms[i] = temps;
  15. sum = sum + terms[i];
  16. }
  17.  
  18. printf("%d", sum);
  19. return 0;
  20. }
Success #stdin #stdout 0s 5320KB
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stdin
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5
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stdout
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780
https://ideone.com/eH1xfp
language:
C (gcc 8.3)
created:
4 days ago
visibility:
public

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