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Create knapsack.cpp #107

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28 changes: 28 additions & 0 deletions C++/knapsack.cpp
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Original file line number Diff line number Diff line change
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#include <bits/stdc++.h>
using namespace std;

int max(int a, int b) { return (a > b) ? a : b; }
int knapSack(int W, int wt[], int val[], int n)
{
if (n == 0 || W == 0)
return 0;
if (wt[n - 1] > W)
return knapSack(W, wt, val, n - 1);
else
return max(
val[n - 1]
+ knapSack(W - wt[n - 1],
wt, val, n - 1),
knapSack(W, wt, val, n - 1));
}

int main()
{
int val[] = { 60, 100, 120 };
int wt[] = { 10, 20, 30 };
int W = 50;
int n = sizeof(val) / sizeof(val[0]);
cout << knapSack(W, wt, val, n);
return 0;
}