Leetcode Problem 860. Lemonade Change

860. Lemonade Change

Leetcode Solutions

Initialize two counters for $5 and$ 10 bills, both set to 0.
Loop through each bill in the bills array.
- If the bill is $5, increment the$ 5 bill counter.
- If the bill is $10, check if we have a$ 5 bill to give as change. If yes, decrement the $5 bill counter and increment the$ 10 bill counter. If no, return false.
- If the bill is $20, first try to give a$ 10 and a $5 bill as change. If not possible, try to give three$ 5 bills. If neither is possible, return false.
If we can give change to all customers, return true.

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