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  1. interface C {
  2.     static void main(String[] a) {
  3.         System.out.println(f(2));
  4.         System.out.println(f(7));
  5.         System.out.println(f(10));
  6.     }
  7.  
  8.     static String f(int n) {
  9.         return n > 0 ? "=" + f(--n) : "(:)-";
  10.     }
  11. }
Success #stdin #stdout 0.1s 320512KB
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==(:)-
=======(:)-
==========(:)-
https://ideone.com/ik3iC0
language:
Java (12.0.1)
created:
7 years ago
visibility:
public

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