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  1. #include <stdio.h>
  2. //再帰を用いて1からnまでの二乗和1^2 + 2^2 + 3^2 + ... + n^2を計算する
  3. int rec(int n){
  4.     if (n == 1){
  5.     	return 1;
  6.     }
  7.     else{
  8.     	return rec(n-1)+n*n;
  9.     }
  10. }
  11. int main(void) {
  12.     int n;
  13.     for(int i=1;i<=n;i++){
  14.     	 printf("1から%dまでの二乗和の値は%d\n", n, rec(n));
  15.     }
  16. 	return 0;
  17. }
  18.  
  19.  
Success #stdin #stdout 0s 5300KB
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https://ideone.com/6YJDGB
language:
C (gcc 8.3)
created:
5 days ago
visibility:
public

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