40 lines
930 B
Java
40 lines
930 B
Java
package DynamicProgramming;
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// A Dynamic Programming based solution
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// for 0-1 Knapsack problem
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public class DyanamicProgrammingKnapsack {
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static int max(int a, int b) {
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return (a > b) ? a : b;
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}
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// Returns the maximum value that can
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// be put in a knapsack of capacity W
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static int knapSack(int W, int wt[], int val[], int n) {
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int i, w;
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int K[][] = new int[n + 1][W + 1];
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// Build table K[][] in bottom up manner
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for (i = 0; i <= n; i++) {
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for (w = 0; w <= W; w++) {
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if (i == 0 || w == 0)
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K[i][w] = 0;
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else if (wt[i - 1] <= w)
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K[i][w] = max(val[i - 1] + K[i - 1][w - wt[i - 1]], K[i - 1][w]);
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else
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K[i][w] = K[i - 1][w];
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}
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}
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return K[n][W];
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}
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// Driver code
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public static void main(String args[]) {
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int val[] = new int[] { 60, 100, 120 };
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int wt[] = new int[] { 10, 20, 30 };
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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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