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SCHOOL (5)
BASIC (207)
EASY (158)
MEDIUM (76)
HARD (16)
Last two digits of Fibonacci
Detect Loop in linked list
Merge Sort
Bottom View of Binary Tree
Implement stack using array
Get Min from Stack
Kth smallest element in a Matrix
Remove loop in Linked List
Implement Atoi
Merge k Sorted Arrays
Find triplets with zero sum
Peak element
Occurences of 2 as a digit
Maximum path sum
Construct Tree from Preorder Traversal
C++ Friend function
C++ Generic sort
Smallest Positive Missing
Wave Array
Rearrange an array with O(1) extra space
Rotate Array
Kadane's Algorithm
Majority Element
Binary Array Sorting
Triplet Sum in Array
Merge Without Extra Space
Boolean Matrix
Search in a sorted Matrix
Longest Consecutive Subsequence
Stock span problem
Target Sum Combinations
0 - 1 Knapsack Problem
Allocate Minimum Pages
Kth Smallest
Prerequisite Tasks
Sort 0s, 1s and 2s
Large Factorial
Maximize Number of 1's
Sum of Middle elements of two sorted arrays
Single Among Doubles in a Sorted
Single Among Doubles
Search in Rotated Sorted Array
Row with max 1s
Nuts and Bolts Problem
Factorials of large numbers
Reverse each word in a given string
k largest elements
K-th element of two Arrays
Triplets with Smaller Sum
Number of palindromic strings
First and Last Occurrences
Palindrome in Alphanumeric String
Largest prime factor
Sequence of Sequence
Sieve of Eratosthenes
Fibonacci Sum
Count of sum of consecutives
Maximum path sum in matrix
Part of it.
Lucky alive person in a circle
Subset Sums
Yes XOR No
Bell Numbers
Sum of Query II
Find Prime numbers in a range
Rotate a Matrix by 180 Counterclockwise
Multiply 2 matrices
Product of Primes
Number of Palindromic paths in a Matrix
Dam of Candies
Repeated String Match
Longest Palindromic Substring
Distribute N candies among K people
Minimize the Heights I
Unique Number III
Min Cost Climbing Stairs
Geek and his Marks
Geek-onacci Number
Geek and Function |V
Valid String
Bubble Sort
Find Transition Point
Square Root
Binary Search
Remove Duplicates Sorted Array
BST Keys in a Range
Remove Duplicates from an array
Toeplitz matrix
Third largest element
Count Occurrence of digit k
Array Duplicates
Index of an Extra Element
Disjoint set (Union-Find)
Counting Sort
Reverse Using Stack
Product of an Array
C++ Function overloading
The New Line
Data Types
Taking input
Learn to Comment
GetLine and Ignore
Learning to be precise
Bitwise Operators
Even Odd
For Loop- primeCheck
While loop- printTable
Learning Macros
Step by Step Condition
Start Coding - Java
The New Line - Java
Data Types - Java
Learn to Comment - Java
Swap the array elements
Count the Specials
Predict the Column
Consonants and Vowels check
Count Odd Even - Java
Swap values using References
Structs and Objects
Learning Structs
Delete Array
Find the Frequency
Back to Front
Pair Sum in Vector
Frequency in Queue
Get min at pop
GP Term
Primality Test
Power of 2
Floor in a Sorted Array
Minimum Number in a sorted rotated array
Print Matrix in snake Pattern
Transpose of Matrix
Check if a string is Isogram or not
Anagram
Reverse Words
Minimum indexed character
Panagram Checking
Non Repeating Character
Parenthesis Checker
Generate Binary Numbers
K largest elements
N meetings in one room
Union of Arrays with Duplicates
Check Equal Arrays
Count Smaller Than X
Missing in Array
Find Index
k sorted array
First Come First Serve
Sorted and Rotated Minimum
Maximum no of 1's row
Search in a Row-Column sorted matrix
String Duplicates Removal
Missing number
Move all negative elements to end
Chocolate Distribution Problem
Bitonic Point
Find Duplicate Element
Amend The Sentence
Sort Array II
Remaining String
Closing bracket index
Remove Consecutive Characters
Convert a sentence into its equivalent mobile numeric keypad sequence
Remove b and ac from a given string
Palindrome Sentence
Check if the number is balanced
Count Alphabets
Rearrange a string
Remove Duplicates
Compete the skills
Facing the sun
Swap the closest and farthest digits
Second Largest
Convert array into Zig-Zag fashion
Check if array contains contiguous integers
Number of occurrence
Average of Prefix
Find the left over element
Find the most frequent digit
Check if array is sorted
First Repeated Character
Prime String
Min Manipulations to make Strings Anagram
Sum of distinct elements for a limited range
Segregate 0s and 1s
Positive distinct count
Play With OR
Digits in a set
At Least K Occurrences
Count the Zeros
First and Second Smallests
Palindrome String
Pangram Strings
Print Bracket Number
Lucas Number
Divisibility by 8
Number of 1 Bits
Armstrong Numbers
Midori and chocolates
Nth Fibonacci Number
Ceil The Floor
Count Digits
Sum Of Digits
Palindrome
Game of Nim
Prime Number
Find sum of divisors
Amicable Pair
Find maximum number
Nearest Perfect Square
Right most non zero digit
Last two digit Fibonacci
Palindrome numbers
Non Fibonacci Number
Integral Root
Deficient Number
Form a number divisible by 3 using array digits
Natural Sum
Subtraction and two numbers
Woodall Number
Tom and Jerry
Row with Minimum 1s
Make Zeroes
Boundary Elements of Matrix
Playing with mobile numbers
Mysterious Series
Type of input
Inverted triangle of stars
Minimum steps to make product equal to one
First and last occurrences of x
Count the Subarrays
Sort String
Power of Four
Check for Binary String
Replace all 0's with 5
Replace all 0's with 5
Count zeros in a sorted matrix
Print number pattern
First Occurence
C++ STL | Set 1 (vector)
C++ STL | Set 5 (queue)
Middle Pattern
Remainder with 7
Multiply Matrices
Increment a variable
C++ Functions (Sum of numbers) | Set 1
Alternates in an Array
C++ Call by reference
Start Coding
The Size of
Logical Operators
Count Odd and Even
Sort and Reverse Vector
Front to Back
Stack designer
Queue Push & Pop
Sum of diagonals
Absolute Value
Convert Celsius To Fahrenheit
Print 1 To N Without Loop
Array Search
Sorted Array Search
Addition Under Modulo
Reverse a String
Keypad typing
First n Fibonacci
Binary Array Sorting
C++ Hello World
Palindrome Array
Count number of elements between two given elements in array
Sum of Array
Sum of Natural Numbers
Searching in an Array
Doubling the value
Print Elements of Array
Remove consonants from a string
Balanced Array
Sort the Half Sorted
At least two greater elements
Check Arithmetic Progression
Sort a String
Fibonacci in the array
Check if divisible by 11
Check if divisible by 4
Change the string
Remove all characters other than alphabets
Value equal to index value
Check String
Convert a list of characters into a String
Remove characters from alphanumeric string
Count of camel case characters
Remove vowels from string
Maximum triplet sum in array
Fighting the darkness
Sum of distinct elements
Swap kth elements
Rock Paper Scissors!
Duck Number
Fake Profile
Lower case to upper case
Smaller and Larger
String Reversal
A guy with a mental problem
Remove Spaces
Repeated Character
First 1 in a Sorted Binary Array
Length of Last word
Max and Min Product from 2 Arrays
The Penalty Shootout
Elements in the Range
Display longest name
Find element at a given Index
Last index of One
Upper Case Conversion
Floating point number even or odd
Sort the string in descending order
Countries at war
Last duplicate element in a sorted array
Largest Element in Array
Rotate Array by One
Game with nos
Why is Melody so chocolaty?
Ishaan Loves Chocolates
Wrong Ball
Product is even or odd?
Remove Duplicates from unsorted array
Minimum number to form the sum even
C++ Strings
Count of smaller elements
Min and Max in Array
Multiply left and right array sum
Positive and negative elements
Pattern of Strings
Print first letter of every word in the string
Last index of a character in the string
Perfect Square String
Remove character
Red OR Green
Convert String to LowerCase
Snake Case
Anagram Strings
Triangle growing downwards
Delete alternate characters
Reverse a String
GCD of two numbers
Find unique element
C++ if-else (Decision Making)
Addition of Two Numbers
C++ Input / Output
1s Complement
Odd or Even
C++ Operators (Relational) | Set 2
C++ Switch Case Statement
C++ Operators | Set 1 (Arithmetic)
Check for Power
Even Odd Sum
Set kth bit
Vowel or Not
Decision Making in Java
Java Hello World
Find the fine
Strong Numbers
Check if divisible by 5
Check perfect square
Sum of Digits Prime/Non-Prime
LCM And GCD
nth digit of Fibonacci
Small Factorial
House Robber
Mean of an Array
Cube root of a number
Repeated IDs
C++ Data Types
Find n-th term of series 1, 3, 6, 10, 15, 21
Binary Shift to Divide
Check perfect square
Krishnamurthy number
Product Sum
Strong Numbers
Median of an Array
Find N-th term in the series
Factorial
Automorphic Number
Sum of odd and even elements
Number of divisors
Sum of Digit is Palindrome or not
Perfect Number
Sum of an AP
Greatest of three numbers
Sum of AP series
Simple Interest
Reverse digits
Special Series Sum
Power of Pow | Even Number
Power of Pow | Odd Numbers
Binary number to decimal number
Java Operators(Relational) | Set - 2
Series AP
Common Divisors
Floyd's triangle
Area of Rectangle, Right Angled Triangle and Circle
Sum of elements in a matrix
Identical Matrices
Find difference between sum of diagonals
C++ 2-D Arrays | Set-1
Divide the number
Multiplication Table
Sum of fifth powers of the first n natural numbers
The dice problem
Remainder Evaluation
Pattern Printing
Print 1 to n without using loops
Disarium Number
Count Squares
Check if the number is Fibonacci
Middle of Three
Difference between sums of odd and even digits
Anshuman's Favourite Number
Sum of Digits Divisibility
Mind Game
Swap two numbers
12 hour clock Multiplication
12 hour clock addition
12 hour clock subtraction
Modulus of two double numbers
Half N by M
Perfect Squares in a Range
Minimum difference pair
The Lazy Caterer's Problem
Sum of product of x and y with floor(n/x) = y
Surface Area and Volume of Cuboid
nPr
Determine focal length of a spherical mirror
Cricket Average
Addition of two square matrices
Diagonal sum
Sum of primes
C++ | A Speed Breaker
Reverse an Array
Maximum and Minimum Of Array Elements
Add Vector Elements
Search in a 2D Matrix
Arrays (Sum of array)
Max rectangle
Alien Dictionary
Smallest window containing all characters
Strongly connected component (Tarjans's Algo)
Minimum Cost Path
Median of Two sorted arrays
Median of 2 Sorted Arrays of Different Sizes
Merge Without Extra Space
Search Pattern
Print all LCS sequences
Stock Buy and Sell – Max K Transactions Allowed
Median in a row-wise sorted Matrix
Longest valid Parentheses
Geek collects the balls
Number of subsets with product less than k
Maximum XOR subarray
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