All Posts

Plus One Problem

LeetCode 66. You are given a large integer represented as...

Minimum Path Sum Problem

LeetCode 64. Given a m x n grid filled with...

Climbing Stairs Problem

LeetCode 70. You are climbing a staircase. It takes n...

Valid Number Problem

LeetCode 67. A robot is located at the top-left corner...

What is the Difference Between Git Pull and Git Fetch (Short Answer)

Short answers to the question what is the difference between...

How to Revert a Git Repository to a Previous Commit (Short Answer)

Short answers to the question how to revert a git...


How to Modify Existing Unpushed Commit Messages (Short Answer)

Short answers to the question how to modify existing unpushed...

Spiral Matrix Problem

LeetCode 54. Given an m x n matrix, return all...

Spiral Matrix II Problem

LeetCode 59. Given a positive integer n, generate an n...

Permutation Sequence Problem

LeetCode 60. Given n and k, return the kth permutation...

N-Queens Problem

LeetCode 51. Given an integer n, return all distinct solutions...

N-Queens II Problem

LeetCode 52. Given an integer n, return the number of...

Maximum Subarray Problem

LeetCode 53. Given an integer array nums, find the contiguous...

Length Of Last Word Problem

LeetCode 58. Given a string s consisting of some words...


Jump Game Problem

LeetCode 55. Given an m x n matrix, return all...

Insert Interval Problem

LeetCode 57. Insert newInterval into intervals such that intervals is...