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class Solution { HashMap<String, Integer> memo = new HashMap<String, Integer>(); public int solve(int[] coins, int amount, int startFrom) { //0$left, so we can reach 1 way if(amount == 0) return 1; //already -ve amount means this combination wont work if(startFrom < 0 || amount < 0) return 0; /...


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The code does not fully comply with what is asked in the assignment and the code readability is sometimes hard. These critiques will be corrected throughout the code when we implement the fundamental idea to ... Manipulate the data, not the display Take this as a fundamental principle. Many OO design and coding buzz-word benefits naturally flow from this. ...


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