Python/dynamic_programming/knapsack.py
dhruvsaini 5a3059784f Create knapsack.py
Given weights and values of n items, put these items in a knapsack of capacity W to get the maximum total value in the knapsack.
2017-01-03 16:50:13 +05:30

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Python

"""
Given weights and values of n items, put these items in a knapsack of capacity W to get the maximum total value in the knapsack.
"""
def knapsack(W, wt, val, n):
dp = [[0 for i in range(W+1)]for j in range(n+1)]
for i in range(1,n+1):
for w in range(1,W+1):
if(wt[i-1]<=w):
dp[i][w] = max(val[i-1]+dp[i-1][w-wt[i-1]],dp[i-1][w])
else:
dp[i][w] = dp[i-1][w]
return dp[n][w]