DELETE Kth NODE FROM THE END
Concepts Used Basics of linked list. Difficulty Level Easy Problem Statement : You are given a singly-linked list, delete the kth node from the end of the list and then...
TOYS
Concepts Used DYNAMIC PROGRAMMING Difficulty Level Easy. Problem Statement : Once upon a time, Arya visited a toy store. As Arya is a small kid he is attracted to every...
FOOLISH ITEMS
CONCEPTS USED: Dynamic programming. DIFFICULTY LEVEL: Easy. PROBLEM STATEMENT(SIMPLIFIED): Arnab is now handed N rupees, he is asked by his mom to buy at least two ingredients which when used...
BALANCED PARENTHESIS COUNT
CONCEPTS USED: Recursion and Backtracking. DIFFICULTY LEVEL: Medium. PROBLEM STATEMENT$($SIMPLIFIED$)$: Rohan is now fond of balanced sequences, but suddenly he realized that he is in love with balanced parenthesis. Now...
BST COUNT
CONCEPTS USED: Recursion,Dynamic programming. DIFFICULTY LEVEL: Medium. PROBLEM STATEMENT$($SIMPLIFIED$)$: Arnab is now given N nodes. Now he asked how many binary search trees can be formed using those N nodes....
LONGEST COMMON SUBSEQUENCE
CONCEPTS USED: Dynamic programming DIFFICULTY LEVEL: Medium. PROBLEM STATEMENT$($SIMPLIFIED$)$: PrepBuddy is too good with string observations but now the Dark Lord thought to defeat PrepBuddy. So he gave him two...
COIN DIVISION
CONCEPTS USED: Dynamic programming. DIFFICULTY LEVEL: Hard PROBLEM STATEMENT(SIMPLIFIED): Arnab is now given N numbers, which are actually stacks of coins containing a[i] amount of coins each. Now he is...
DROP EGG
CONCEPTS USED: Dynamic programming DIFFICULTY LEVEL: Hard PROBLEM STATEMENT(SIMPLIFIED): Himanshu visited a building with N floors and he carried with him k eggs, he found out that the eggs are...
CHEATING CLASS
Concepts Used Dynamic programming. Difficulty Level Medium. Problem Statement : Let's suppose when a person i cheats from a person j, then we draw a line segment between them. We...
FORM STRING
CONCEPTS USED: Dynamic programming DIFFICULTY LEVEL: Medium. PROBLEM STATEMENT$($SIMPLIFIED$)$: Arnab is now given a String S. He is given N different typed of pieces of sticks with strings written on...