LLD - Design — Splitwise (Expense Sharing)
A split strategy is defined as {'A': 50, 'B': 60} with a total amount of 100. What is the error in this setup?
A split strategy is defined as {'A': 50, 'B': 60} with a total amount of 100. What is the error in this setup?
medium📝 Analysis Q6 of Q15
Step-by-Step Solution
Solution:
Step 1: Calculate sum of split values
Sum is 50 + 60 = 110, which is greater than total 100.Step 2: Identify inconsistency
Exact split amounts cannot exceed total amount.Final Answer:
Sum of splits exceeds total amount -> Option CQuick Check:
Sum of splits must not exceed total [OK]
Quick Trick: Sum of exact splits must equal total amount [OK]
Common Mistakes:
MISTAKES- Ignoring sum check
- Assuming percentages without % sign
- Confusing equal and exact splits
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