fork download
copy 
  1. #include <stdio.h>
  2.  
  3. // 正の奇数 n を引数として、n 以下の奇数の和
  4. int rec(int n){
  5.     if (n == 1){
  6.         return 1;                       // 基底条件1を返す
  7.     } else {
  8.         return rec(n - 2) + n;          // 再帰：n
  9.     }
  10. }
  11.  
  12. int main(void) {
  13.     int n = 11;                         
  14.     printf("%d以下の正の奇数の和は%d\n", n, rec(n));
  15.     return 0;
  16. }
Success #stdin #stdout 0.01s 5324KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
11以下の正の奇数の和は36
https://ideone.com/OmQ2mo
language:
C (gcc 8.3)
created:
3 days 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!