39 lines
783 B
Java
39 lines
783 B
Java
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// A Dynamic Programming based solution for 0-1 Knapsack problem
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public class Knapsack
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{
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private static int knapSack(int W, int wt[], int val[], int n)
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{
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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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// Build table rv[][] in bottom up manner
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for (i = 0; i <= n; i++)
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{
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for (w = 0; w <= W; w++)
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{
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if (i==0 || w==0)
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rv[i][w] = 0;
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else if (wt[i-1] <= w)
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rv[i][w] = Math.max(val[i-1] + rv[i-1][w-wt[i-1]], rv[i-1][w]);
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else
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rv[i][w] = rv[i-1][w];
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}
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}
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return rv[n][W];
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}
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// Driver program to test above function
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public static void main(String args[])
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{
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int val[] = new int[]{50, 100, 130};
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int wt[] = new int[]{10, 20, 40};
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int W = 50;
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int n = val.length;
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System.out.println(knapSack(W, wt, val, n));
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}
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}
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