@deepakkambala
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Feb 13 · 1 min read · https://leetcode.com/problems/reverse-integer/description/ Core Idea Step 1: Handle Sign Store sign separately. Work with abs(x). Step 2: Reverse Digits Use: rem = num % 10 rev = rev * 10 + rem num = num // 10 Step 3: Restore Sign Instead of: re...
Join discussionFeb 13 · 1 min read · https://leetcode.com/problems/two-sum-ii-input-array-is-sorted/description/ Array is sorted Return 1-based indices Exactly one solution guaranteed Core Idea (Two Pointer Technique) Use two pointers: left → start of array right → end of array ...
Join discussionFeb 13 · 1 min read · https://leetcode.com/problems/two-sum/description/ Core Idea While iterating: For each number n Calculate diff = target - n If diff already seen → answer found Else store current number in dictionary Code class Solution(object): def twoSu...
Join discussionFeb 13 · 2 min read · https://leetcode.com/problems/richest-customer-wealth/description/ You’re given a 2D list: accounts[i][j] i → customer index j → bank index Each row represents one customer’s bank accounts You must return: max(sum of each row) Clean Final Solu...
Join discussionFeb 7 · 5 min read · GitHub has become an essential tool for developers, but for beginners, it can feel confusing at first. Terms like repository, commit, and branch may sound intimidating, especially when you’re just starting out. The good news is that you don’t need to...
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