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  1. public class Main {
  2.     static int addUp(int x) {
  3.         if (x == 0) return 0;
  4.         return x + addUp(x - 1);
  5.     }
  6.  
  7.     public static void main(String[] args) {
  8.         int k = 5;
  9.         int out = addUp(k);
  10.         System.out.println(out);
  11.     }
  12. }
  13.  
Success #stdin #stdout 0.11s 54608KB
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15
https://ideone.com/WAGqFu
language:
Java (HotSpot 12)
created:
1 hour ago
visibility:
public

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