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Commit 9743e75

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qwerty50000aqwerty50000a
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Update Knapsack.java
Added check if the arrays are null
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‎DynamicProgramming/Knapsack.java‎

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+3-1Lines changed: 3 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -6,7 +6,9 @@
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public class Knapsack {
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private static int knapSack(int W, int wt[], int val[], int n) {
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private static int knapSack(int W, int wt[], int val[], int n) throws IllegalArgumentException {
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if(wt == null || val == null)
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throw new IllegalArgumentException();
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int i, w;
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int rv[][] = new int[n + 1][W + 1]; //rv means return value
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