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  1. #include <stdio.h>
  2.  
  3. int sum1(int n)
  4. {
  5.     int i;
  6.     int sum;
  7.  
  8.     sum = 0;
  9.  
  10.     for(i=1; i<=n; i++)
  11.     {
  12.         sum = sum + i;
  13.     }
  14.  
  15.     return sum;
  16. }
  17.  
  18. int main()
  19. {
  20.     int i;
  21.  
  22.     for(i=1; i<=10; i++)
  23.     {
  24.         printf("%d\n", sum1(i));
  25.     }
  26.  
  27.     return 0;
  28. }
Success #stdin #stdout 0s 5316KB
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https://ideone.com/oqyBfw
language:
C (gcc 8.3)
created:
17 hours ago
visibility:
public

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