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Program to find product of few numbers whose sum is given in Python
Suppose we have a number n, we have to find two or more numbers such that their sum is equal to n, and the product of these numbers is maximized, we have to find the product.
So, if the input is like n = 12, then the output will be 81, as 3 + 3 + 3 + 3 = 12 and 3 * 3 * 3 * 3 = 81.
To solve this, we will follow these steps −
Define a function dp() . This will take n
if n is same as 0, then
return 1
ans := 0
for i in range 1 to n + 1, do
ans := maximum of ans and (i * dp(n − i))
return ans
From the main method, do the following −
return dp(n)
Let us see the following implementation to get better understanding −
Example
class Solution: def solve(self, n): def dp(n): if n == 0: return 1 ans = 0 for i in range(1, n + 1): ans = max(ans, i * dp(n - i)) return ans return dp(n) ob1 = Solution() print(ob1.solve(12))
Input
12
Output
81
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