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  1. #include <stdio.h>
  2.  
  3. int rec(int n){
  4. 	if(n==1){
  5.  
  6. 		return 1;
  7. 	}
  8.  
  9. 	else{
  10. 		return n*n+rec(n-1);
  11. 	}
  12. }
  13.  
  14. int main(void){
  15.  
  16. 	int n=4;
  17. 	printf("１から%dまでの二乗の和の値は%d\n",n,rec(n));
  18.  
  19. 	return 0;
  20. }
Success #stdin #stdout 0s 5300KB
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１から4までの二乗の和の値は30
https://ideone.com/eJPC6Z
プログラミング2　第4回提出課題1
language:
C (gcc 8.3)
created:
7 hours ago
visibility:
public

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