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  1. #include <stdio.h>
  2. int sumup(int n){
  3. 		int sum=0;
  4. 		for(int i=1;i<=n;i++)
  5. 			sum+=i;
  6. 		return sum;
  7. }
  8. int main(void) {
  9.  
  10. 	int n1;
  11. 	scanf("%d",&n1);
  12. 		printf("1から%dの値は%d",n1,sumup(n1));
  13. 	return 0;
  14. }
  15.  
Success #stdin #stdout 0s 5320KB
comments (?)
stdin
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4
stdout
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1から4の値は10
https://ideone.com/qfwcDu
language:
C (gcc 8.3)
created:
15 hours ago
visibility:
public

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