fork download
copy 
  1. #include <stdio.h>
  2. //正の奇数nを引数とし，以下の正の奇数の和を求める関数
  3. int rec(int n){
  4.     if (n == 1){
  5.     	return 1;
  6.     }
  7.     else if(n%2==1){
  8.         return rec(n-2)+n;
  9.     }
  10.     else{
  11.  
  12.     	return rec(n-1);
  13.     }
  14. }
  15. int main(void) {
  16.     int n = 10;
  17.     printf("%d以下の世の奇数の和は%d\n",n,rec(n));
  18.  
  19. 	return 0;
  20. }
Success #stdin #stdout 0.01s 5316KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
10以下の世の奇数の和は25
https://ideone.com/KnuKk5
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!