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  1. #include <stdio.h>
  2.  
  3. int sum(int n){ 
  4. int i;
  5. int s = 0;
  6.  
  7. for (i = 1; i <= n; i++) {
  8. s = s + i;   }
  9.  
  10. return s;
  11.  
  12.   }
  13.  
  14. int main(void) {
  15. 	int a,b;
  16.     a = 10;
  17.     b = sum(a);
  18.     printf("1から%dまでの和は%d", a,b );
  19. 	return 0;
  20. }
  21.  
Success #stdin #stdout 0.01s 5288KB
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Standard input is empty
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1から10までの和は55
https://ideone.com/9F2Q6j
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

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