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Buying Cars in Python
Suppose we have a list of prices of cars for sale, and we also have a budget k, we have to find the maximum number of cars we can buy.
So, if the input is like [80, 20, 10, 30, 80], k = 85, then the output will be 3 as we can buy three cars with prices 20, 10, 40
To solve this, we will follow these steps −
count := 0
sort the list prices
-
for i in range 0 to size of prices, do
-
if prices[i] <=k, then
k := k-prices[i]
count := count + 1
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otherwise,
come out from the loop
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return count
Let us see the following implementation to get better understanding −
Example
class Solution: def solve(self, prices, k): count =0 prices.sort() for i in range(len(prices)): if(prices[i]<=k): k = k-prices[i] count += 1 else: break return count ob = Solution() p = [80, 20, 10, 30, 80] print(ob.solve(p, 85))
Input
[80, 20, 10, 30, 80], 85
Output
3
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