fork download
copy 
  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.  
  9. return n*n+rec(n-1);
  10. }
  11.  
  12. }
  13. int main(void) {
  14.     int n = 4;
  15.     printf("1から%dまでの二乗和の値は%d\n", n, rec(n));
  16. 	return 0;
  17. }
  18.  
  19.  
Success #stdin #stdout 0.01s 5320KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
1から4までの二乗和の値は30
https://ideone.com/am34Fg
language:
C (gcc 8.3)
created:
8 hours ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!