# Partitioning Into Minimum Number Of Deci-Binary Numbers (Leetcode 1689)

Difficulty: Medium Link: Day 26, May Leetcode Challenge Problem Description A decimal number is called deci-binary if each of its digits is either 0 or 1 without any leading zeros. For…

# Binary Tree Level Order Traversal (Leetcode 102)

Difficulty : Medium Link: Day 12: May Leetcode Challenge Problem Description Given the root of a binary tree, return the level order traversal of its nodes’ values. (i.e.,…

# Minimum Moves to Equal Array Elements II (Leetcode 462)

Difficulty: Medium Link: Day 19:May Leetcode Challenge Problem Description Given an integer array nums of size n, return the minimum number of moves required to make all array elements…

# Delete Operation for Two Strings (Leetcode 583)

Problem Description Given two strings word1 and word2, return the minimum number of steps required to make word1 and word2 the same. In one step, you can delete exactly one character in either string. Examples Constraints…

# Non-decreasing Array (Leetcode 665)

Difficulty: Medium Link: Day 4 : May Leetcode Challenge Problem Description Given an array nums with n integers, your task is to check if it could become non-decreasing by…

# Count Binary Substrings

Difficulty : Easy Link: Leetcode April Challenge 2021: Day 23 Problem Description Give a string s, count the number of non-empty (contiguous) substrings that have the…

# Triangle (Leetcode 120)

Difficulty: Medium Link: Day 21: April Leetcode Challenge Problem Description Given a triangle array, return the minimum path sum from top to bottom. For each step, you may…

# Diameter of Binary Tree (Leetcode 543)

Difficulty : Easy Link: Leetcode 543 Problem Description Given the root of a binary tree, return the length of the diameter of the tree. The diameter of a binary tree is the length of…

# Partition List (Leetcode 86)

Difficulty: Medium Link: April Leetcoding Challenge : Day 14 Given the head of a linked list and a value x, partition it such that all nodes less than x come before…

# Flatten Nested List Iterator (Leetcode 341)

Difficulty : Medium Link : April Leetcoding Day 13 Problem Description You are given a nested list of integers nestedList. Each element is either an integer…