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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int a=0,n=0,sum=0;
  5. 	do
  6. 	{
  7. 		a=a+1;
  8. 		n=n+1;
  9. 		sum=sum+a;
  10. 	}
  11. 	while(sum<2);
  12.  
  13. 	printf("n=%dの時初めて1000をこえる。",n);
  14. 	return 0;
  15. }
  16.  
Success #stdin #stdout 0s 5320KB
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Standard input is empty
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n=2の時初めて1000をこえる。
https://ideone.com/2MeftZ
language:
C (gcc 8.3)
created:
11 hours ago
visibility:
public

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