LLD - Design — Splitwise (Expense Sharing)
Given a total amount of 100 and a split strategy: {'A': 30, 'B': 70} as exact amounts, what is the amount assigned to user B?
Given a total amount of 100 and a split strategy: {'A': 30, 'B': 70} as exact amounts, what is the amount assigned to user B?
medium📝 Analysis Q13 of Q15
Step-by-Step Solution
Solution:
Step 1: Identify the split type and amounts
The split is exact, so amounts are assigned directly as given.Step 2: Find user B's assigned amount
User B is assigned 70 as per the exact split dictionary.Final Answer:
70 -> Option AQuick Check:
Exact split assigns given amounts = 70 [OK]
Quick Trick: Exact split means use given amounts directly [OK]
Common Mistakes:
MISTAKES- Adding amounts instead of reading assigned value
- Confusing exact with percentage split
- Assuming equal split when exact is given
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