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# in problem, "COINS" find what is wrong in my code in memorization in dynmic implementation

 0 problem Coin link my below code is giving wrong answer i am new to dynamic progrming... what is problem with my written follwing code while doing memorisation  //package PracticeMedium; //package PracticeMedium; /* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ //package PracticeMedium; import java.util.HashMap; import java.util.Scanner; /** * * @author Hemant Dhanuka */ //without memorisation class COINS4 { static HashMap memorisationMap = new HashMap<>(); public static void main(String[] args) throws Exception { Scanner s = new Scanner(System.in); while (s.hasNextInt()) { int numberWrittenOnCoin = s.nextInt(); calculateMaxforEachNo(numberWrittenOnCoin); if (numberWrittenOnCoin < 12) { System.out.println(numberWrittenOnCoin); } else { System.out.println(memorisationMap.get(numberWrittenOnCoin)); } } } private static long calculateMaxforEachNo(int num) { if (num < 12) { return num; } if (memorisationMap.get(num) != null) { return memorisationMap.get(num); } memorisationMap.put(num, (calculateMaxforEachNo(num / 2) + calculateMaxforEachNo(num / 3) + calculateMaxforEachNo(num / 4))); return 0; } }  please tell me what modification required to get Correct answer in my above code, and other alternate solution of these problem to approch and perform memorisation asked 11 Mar '17, 12:01 533●1●12 accept rate: 3% 2 @hemant_dhanuka I see that you fixed the bug and got AC, good job :) (11 Mar '17, 19:15) meooow ♦6★
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question asked: 11 Mar '17, 12:01

question was seen: 344 times

last updated: 11 Mar '17, 19:15