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  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. int main(void) {
  5. 	int n, i=1, sum=0;
  6. 	scanf("%d",&n);
  7.  
  8. 	do{
  9. 		sum = sum +i;
  10. 		i = i+1;
  11. 		n=n-1;
  12. 	}while(n>0);
  13.  
  14. 	printf("sum = %d\n",sum);
  15.  
  16. 	return 0;
  17. }
Success #stdin #stdout 0s 5316KB
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stdin
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10
stdout
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sum = 55
https://ideone.com/kShlYj
dowhile非負の整数
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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