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Greedy vs. DP: The 30-Second Test for Coin Change Problems
Originally published on LeetCopilot Bloghttps://leetcopilot.dev/blog/greedy-or-dp-for-coin-change-decisions Choosing between greedy and dynamic programming on c...
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134. Gas Station | LeetCode | Top Interview 150 | Coding Questions
Problem Link https://leetcode.com/problems/gas-station/https://leetcode.com/problems/gas-station/ !leetcode 134https://media2.dev.to/dynamic/image/width=800%2C...
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238. Product of Array Except Self | LeetCode | Top Interview 150 | Coding Questions
Problem Link https://leetcode.com/problems/product-of-array-except-self/https://leetcode.com/problems/product-of-array-except-self/ !leetcode 238https://media2...
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274. H-Index | LeetCode | Top Interview 150 | Coding Questions
Problem Link: https://leetcode.com/problems/h-index/ Solution java class Solution { public int hIndexint citations { int n = citations.length; int arr = new int...
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Day 64: Python Depth-First Search (DFS) on Tree, Stack-Based Iterative Traversal for Deep Exploration Without Recursion
Welcome to Day 64 of the 80DaysOfChallenges journey! This intermediate challenge implements Depth-First Search DFS on a tree structure using an iterative stack...
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55. Jump Game | LeetCode | Top Interview 150 | Coding Questions
!Forem Logohttps://media2.dev.to/dynamic/image/width=65,height=,fit=scale-down,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%...
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Master Java Exception Hierarchy - Quick Notes for MCQs
Java Exception Hierarchy Overview If you are preparing for Java interviews or practicing MCQs, one concept you must master is the Java Exception Hierarchy. Man...
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121. Best Time to Buy and Sell Stock | LeetCode | Top Interview 150 | Coding Questions
!Forem Logohttps://media2.dev.to/dynamic/image/width=65,height=,fit=scale-down,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%...
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Day 60: Python Remove Nth Node From End of Linked List, Two-Pointer Magic to Delete in One Pass (LeetCode #19 Style)
Welcome to Day 60 of the 80DaysOfChallenges journey! This intermediate challenge solves the iconic Remove Nth Node From End of Linked List problem LeetCode 19 u...
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80. Remove Duplicates from Sorted Array II | LeetCode | Top Interview 150 | Coding Questions
!Forem Logohttps://media2.dev.to/dynamic/image/width=65,height=,fit=scale-down,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%...
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88. Merge Sorted Array | LeetCode | Top Interview 150 | Coding Questions
Problem Link Merge Sorted Array – LeetCodehttps://leetcode.com/problems/merge-sorted-array/ Solution Java java class Solution { public void mergeint nums1, int...
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How to Convert a Recursive Solution to Iterative on LeetCode Using a Stack
Originally published on LeetCopilot Bloghttps://leetcopilot.dev/blog/convert-recursive-solution-to-iterative-leetcode-using-stack Interviewers often ask you to...