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  1. #include <stdio.h>
  2. //課題１：１からｎまでの和ｗｐ求めるコードを完成させてください
  3. int sum(int n){
  4. 	int c = 0;
  5. 	do{
  6. 		c+= n;
  7. 	} while(n-->0);
  8.  
  9. 	return c;
  10. }
  11. int main(void) {
  12. 	int a,b;
  13. 	a = 10;
  14. 	b = sum(a);
  15. 	printf("１から%dまでの和は%d",a,b);
  16. 	return 0;
  17. }
  18.  
Success #stdin #stdout 0s 5316KB
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１から10までの和は55
https://ideone.com/QGB8At
language:
C (gcc 8.3)
created:
6 hours ago
visibility:
public

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