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Sep 24th, 2018
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Java 0.50 KB | None | 0 0
  1. public static int binSearchRec(int x, int[] fallen, int from, int to) {
  2.     if(to>=from){
  3.         int middle=from+(to-from)/2;
  4.         if(fallen[middle]==x) return middle+1; //pont a kozepso elem az --> kesz vagyunk
  5.         if(fallen[middle]<x) return binSearchRec(x,fallen,from,middle-1); //nagyobb a kozepsonel --> a bal feleben keresunk tovabb
  6.         return binSearchRec(x,fallen,middle+1,to); //kulonben a jobb feleben keresunk tovabb
  7.     }
  8.     return 0; //ha ide eljutott a vezerles, akkor x nincs benne a tombben, 0-t adunk vissza
  9. }
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