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  1. #include <stdio.h>
  2.  
  3. int rec(int n){
  4. 	if(n==1){
  5. 		return 1;
  6. 	}
  7. 	else if(n==0){
  8. 		return 0;
  9. 	}
  10. 	else{
  11. 		return n+rec(n-2);
  12. 	}
  13. }
  14.  
  15.  
  16. int main(void){
  17. 	int n=12;
  18. 	printf("%d以下の正の奇数の和は%d\n",n,rec(n));
  19.  
  20. 	return 0;
  21. }
Success #stdin #stdout 0s 5316KB
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12以下の正の奇数の和は42
https://ideone.com/wr6pus
プログラミング２　第４回提出課題２
language:
C (gcc 8.3)
created:
7 hours ago
visibility:
public

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