JavaAlgorithms/DynamicProgramming/RodCutting.java
yanglbme 29948363da docs: update the whole repository
* fix some bugs
* delete duplicate files
* format code
2019-05-09 19:32:54 +08:00

33 lines
860 B
Java

package DynamicProgramming;
/**
* A DynamicProgramming solution for Rod cutting problem
* Returns the best obtainable price for a rod of
* length n and price[] as prices of different pieces
*/
public class RodCutting {
private static int cutRod(int[] price, int n) {
int val[] = new int[n + 1];
val[0] = 0;
for (int i = 1; i <= n; i++) {
int max_val = Integer.MIN_VALUE;
for (int j = 0; j < i; j++)
max_val = Math.max(max_val, price[j] + val[i - j - 1]);
val[i] = max_val;
}
return val[n];
}
// main function to test
public static void main(String args[]) {
int[] arr = new int[]{2, 5, 13, 19, 20};
int size = arr.length;
System.out.println("Maximum Obtainable Value is " +
cutRod(arr, size));
}
}