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  1. class Ideone {
  2. public static void main(String[] args) {
  3. rec(100000);
  4. }
  5.  
  6. public static int rec(int n) {
  7. if (n == 0) return n;
  8. else return rec(n - 1);
  9. }
  10. }
Runtime error #stdin #stdout #stderr 0.16s 320448KB
stdin
Standard input is empty
stdout
Standard output is empty
stderr
Exception in thread "main" java.lang.StackOverflowError
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
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	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)
	at Ideone.rec(Main.java:8)