Leetcode 39 Combination Sum
Problem Statement Given an array of distinct integers candidates and a target integer target, return all unique combinations of candidates where the chosen num...
Problem Statement Given an array of distinct integers candidates and a target integer target, return all unique combinations of candidates where the chosen num...
Problem Link Insert Delete GetRandom O1 – LeetCodehttps://leetcode.com/problems/insert-delete-getrandom-o1/ Solution java class RandomizedSet { ArrayList list;...
Problem Link: https://leetcode.com/problems/h-index/ Solution java class Solution { public int hIndexint citations { int n = citations.length; int arr = new int...
The Streak Situation Day 9 and I have to admit, the LeetCode streak broke. The GitHub streak did too. Too many relatives around, schedule completely thrown off...
The Streak Situation Day 9 and I have to admit, the LeetCode streak broke. GitHub streak too. Too many relatives around, schedule completely thrown off, couldn...
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One wrong cell in the first row ruins the entire table. Stop guessing your base cases and learn the visual initialization method that always works. Grid DP ques...
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Welcome to Day 63 of the 80DaysOfChallenges journey! This intermediate challenge tackles the powerhouse Merge K Sorted Lists problem LeetCode 23, where you fuse...
Originally published on LeetCopilot Bloghttps://leetcopilot.dev/blog/how-long-should-i-spend-on-one-leetcode-problem-before-giving-up Staring at the screen for...
Introduction You understand the problem but have zero idea how to start. That paralysis is fixable. This guide provides a concrete, step‑by‑step framework for...
Small Wins Woke up at 11 AM instead of my usual 12. An hour earlier. Yeah, I'm counting that as progress because when you're trying to fix your sleep schedule,...