Problem-Solving-Gym:这是我竞争激烈的编程库。 它包含针对门户网站上各种问题的解决方案，例如hackerrank，leetcode，geeksforgeeks等 （203个子文件） 
0_1 knapsack(tabulation) 545B A Problem on Sticks 578B add binary 521B ancestors in BT 513B approach 1 2KB approach 1 2KB approach 1 1KB approach 1 1KB approach 1 1005B approach 1 885B approach 1 816B approach 1 643B approach 1 468B approach 2 1KB approach 2 1KB approach 2 914B approach 2 909B approach 2 887B approach 2 378B approach 3 769B approach1 616B approch 3 497B approch 4 664B Arithmetic Slices 2KB Arithmetic Slices 360B arranging coins 423B Binary Trees with Factors 2KB binomial coeff(bottom up) 1KB binomial coeff(recur) 309B binomial coeff(top-down-dp) 733B bottom up level order traversal 906B breadth first search(level order) in tree 721B Brothers From different roots 664B Brute Force Approach(only DFS) 1KB Brute Force(optimized DFS) 1KB Brute Force(using DP) 1KB BST to Greater Tree 395B BT from inorder and preorder 629B catalan numbers(recursive) 379B catalan numbers(top-down-dp) 580B catalan(bottom-up) 553B check for perfect square 482B check whether trees are same 488B coin change 2 627B Coin Change I 2KB coin change(minimum no of coins) 712B construct BST from inorder 931B construct BST from postorder 492B container with most water 410B Copy List With Random Pointers 749B count of subsets(when input array contains non-negative integers) 1KB count pairs with given sum 406B count the zeroes 315B Count Zeroes XOR pairs 332B cousins in a binary tree 1KB decode string(speed efficient) 1KB delete middle element of stack 731B delete node in linklist 201B Delete Nodes greater than k 409B Design HashMap 2KB detect cycle in linklist 362B diameter of binary tree 945B door mat pattern 1KB evaluate RPN 762B Find Extra 289B find Nth with prime digits 490B Find the most competitve subsequence 889B Find the most competitve subsequence 650B Find The Score(XML Parse) 228B first bad version 363B first unique char 573B flood-fill 930B friend-pairing(dp) 408B friends pairing 192B Generate All Balanced Parentheses 2KB hamming distance 1KB height or maxdepth of binary tree 298B Inorder Succesor 996B insert delete getrandom(O(1)) 1KB Intersection of two linked lists 1KB invert binary tree 642B is Binary tree balanced 708B is subsequence 422B island perimeter 1KB jewels and stones 420B Josephus Problem 381B jump game 267B K closest points to origin 670B K distance from root 362B K weakest rows in matrix 1KB Kth Largest Element 406B Kth Largest in BST 587B kth missing positive number 2KB Kth Symbol In Grammar 1KB Largest Divisible Subset 910B Largest Rectangle In Histogram 1KB Last Stone Weight 514B left view binary tree 660B level Order Traversal 430B Level Order Traversal in Spiral Form 822B共 203 条
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