Sudoku Solver LeetCode Solution
Write a program to solve a Sudoku puzzle by filling the empty cells.
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Leetcode SolutionLeetcode Solution
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Largest Rectangle in Histogram LeetCode Solution
Given an array of integers heights representing the histogram’s bar height where the width of each bar is 1, return the area of the largest rectangle in the histogram.
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Leetcode SolutionSearch Insert Position LeetCode Solution
Given a sorted array of distinct integers and a target value, return the index if the target is found. If not, return the index where it would be if it were inserted in order.
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Leetcode SolutionPermutations LeetCode Solution
Given an array nums of distinct integers, return all the possible permutations. You can return the answer in any order.
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Leetcode SolutionLongest Valid Parentheses LeetCode Solution
Given a string containing just the characters ‘(‘ and ‘)’, return the length of the longest valid (well-formed) parentheses substring.
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Leetcode SolutionSwap Nodes in Pairs LeetCode Solution
Given a linked list, swap every two adjacent nodes and return its head. You must solve the problem without modifying the values in the list’s nodes.
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Leetcode SolutionCombination Sum LeetCode Solution
Given an array of distinct integers candidates and a target integer target, return a list of all unique combinations of candidates where the chosen numbers sum to target. You may return the combinations in any order.
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Leetcode SolutionCombination Sum II LeetCode Solution
Given a collection of candidate numbers (candidates) and a target number (target), find all unique combinations in candidates where the candidate numbers sum to target.
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Leetcode SolutionFirst Missing Positive LeetCode Solution
Given an unsorted integer array nums, return the smallest missing positive integer.
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Leetcode SolutionTrapping Rain Water LeetCode Solution
Given n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water it can trap after raining.
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Leetcode SolutionMultiply Strings LeetCode Solution
Given two non-negative integers num1 and num2 represented as strings, return the product of num1 and num2, also represented as a string.
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Leetcode SolutionWildcard Matching LeetCode Solution
Given an input string (s) and a pattern (p), implement wildcard pattern matching with support for ‘?’ and ‘*’ where: ‘?’ Matches any single character.’*’ Matches any sequence of characters (including the empty sequence).The matching should cover the entire input string.
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Leetcode SolutionJump Game II LeetCode Solution
You are given a 0-indexed array of integers nums of length n. You are initially positioned at nums[0]. Each element nums[i] represents the maximum length of a forward jump from index i. In other words, if you are at nums[i], you can jump to any nums[i + j] where: 0 <= j <= nums[i] and i + j < n. Return the minimum number of jumps to reach nums[n - 1].
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Leetcode SolutionPermutations II LeetCode Solution
Given a collection of numbers, nums, that might contain duplicates, return all possible unique permutations in any order.
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Leetcode SolutionRotate Image LeetCode Solution
You are given an n x n 2D matrix representing an image, rotate the image by 90 degrees (clockwise).
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