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  1. #include <stdio.h>
  2. int sum(int n){
  3. 	int i,c=0;
  4. 	for(i=1;i<=n;i++){
  5. 		c+=i;
  6. 	}
  7. 	return c;
  8. }
  9.  
  10. int main(){
  11. 	int a,b;
  12. 	a=10;
  13. 	b=sum(a);
  14. 	printf("1から%dまでの和は%d",a,b);
  15. 	return 0;
  16. }
Success #stdin #stdout 0s 5328KB
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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/xtYoRD
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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