Day 189 – LeetCode #42: Trapping Rain Water | Java Solution #200daysofcode #java #leetcode #coding

🎯 Day 189 – LeetCode #42: Trapping Rain Water | Java Solution

Today I tackled a classic array problem — finding how much water can be trapped between elevation bars after rain.

✅ Covered:

Prefix-Suffix Array Method

Two-Pointer Space Optimization

Time & Space Tradeoff Insights

This problem is a must-solve for any DSA learner!

#Java #LeetCode #TrappingRainWater #Arrays #TwoPointers #ProblemSolving #100DaysOfCode #200DaysOfCode #CodingJourney

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