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Distinct Subsequences II Problem

LeetCode 940. Given a string s, return the number of...

01 Oct 2022

DI String Match Problem

LeetCode 942. A permutation perm of n + 1 integers...

01 Oct 2022

Delete Columns To Make Sorted Problem

LeetCode 944. You are given an array of n strings...

01 Oct 2022

Delete Columns To Make Sorted III Problem

LeetCode 960. You are given an array of n strings...

01 Oct 2022

Delete Columns To Make Sorted II Problem

LeetCode 955. You are given an array of n strings...

01 Oct 2022

Decoded String At Index Problem

LeetCode 880. You are given an encoded string s. To...

01 Oct 2022

Cousins In Binary Tree Problem

LeetCode 993. Given the root of a binary tree with...

01 Oct 2022

Count Unique Characters Of All Substrings Of A Given String Problem

LeetCode 828. Let’s define a function countUniqueChars(s) that returns the...

01 Oct 2022

Construct Binary Tree From Preorder And Postorder Traversal Problem

LeetCode 889. Given two integer arrays, preorder and postorder where...

30 Sep 2022

Consecutive Numbers Sum Problem

LeetCode 829. Given an integer n, return the number of...

30 Sep 2022

Complete Binary Tree Inserter Problem

LeetCode 919. A complete binary tree is a binary tree...

30 Sep 2022

Check Completeness Of A Binary Tree Problem

LeetCode 958. Given the root of a binary tree, determine...

30 Sep 2022

Chalkboard Xor Game Problem

LeetCode 810. You are given an array of integers nums...

30 Sep 2022

Cat And Mouse Problem

LeetCode 913. A game on an undirected graph is played...

30 Sep 2022

Card Flipping Game Problem

LeetCode 822. You are given n cards, with a positive...

30 Sep 2022

Car Fleet Problem

LeetCode 853. There are n cars going to the same...

30 Sep 2022