# Status Problem Level Completes Likes 1 Find an extra element in two almost similar arrays Beginner % 3 2 find the Arithmetic Progression sequence Beginner % 2 3 Find the Nth-term in a given arithmetic progression Beginner % 0 4 Departure and Destination Cities in a given itinerary Beginner % 1 5 Given an array, rank its elements Beginner % 1 6 Find Three Consecutive Odd Numbers in an array Beginner % 1 7 Convert to Non-decreasing Array with one change Beginner % 1 8 In an array, Duplicate the zeroes without expanding it Beginner % 0 9 Convert a Decimal number to its binary representation Beginner % 1 10 Maximum Consecutive Ones in a given array Beginner % 0 11 Duplicate even elements in an array Beginner % 1 12 In a number, add digits until it becomes a single digit Beginner % 1 13 Find the number of pairs with odd XOR Beginner % 2 14 Add digits until the number becomes a single digit Beginner % 0 15 Check If Student is eligible for an Attendance Reward Beginner % 0 16 Remove Duplicates in a given Sorted Array Beginner % 0 17 Random character in a given string - Java Beginner % 0 18 Replace Elements with Greatest Element on Right Beginner % 0 19 Count similar words in a given array Beginner % 0 20 Sort 0, 1, 2 in an array - Part 2 Beginner % 0 21 Sort 0, 1, 2 in an array - Part 1 Beginner % 0 22 Override the compare function for Collections.sort method Beginner % 0 23 Sum of all the overlapping elements Beginner % 0 24 Override the compare function for Arrays.sort method - Java Beginner % 0 25 What is a Pascal Triangle? Beginner % 0 26 Calculate tax on income as per given tax brackets. Beginner % 0 27 Print Top 10 videos from List Beginner % 0 28 The largest number can be formed from the given number Beginner % 0 29 Check if the given playlist of programs is valid Beginner % 1 30 Find the number of pairs with even XOR Beginner % 0 31 Unresolved references error - Django in PyCharm and IntelliJ Beginner % 0 32 Given an array, Find the number of all pairs with even sum Beginner % 0 33 Find Election Winner Beginner % 0 34 Construct the Largest number from the given digits Beginner % 1 35 Find Lexicographically smallest or largest substring of size k Beginner % 0 Find an extra element in two almost similar arrays find the Arithmetic Progression sequence Find the Nth-term in a given arithmetic progression Departure and Destination Cities in a given itinerary Given an array, rank its elements Find Three Consecutive Odd Numbers in an array Convert to Non-decreasing Array with one change In an array, Duplicate the zeroes without expanding it Convert a Decimal number to its binary representation Maximum Consecutive Ones in a given array Duplicate even elements in an array In a number, add digits until it becomes a single digit Find the number of pairs with odd XOR Add digits until the number becomes a single digit Check If Student is eligible for an Attendance Reward Remove Duplicates in a given Sorted Array Random character in a given string - Java Replace Elements with Greatest Element on Right Count similar words in a given array Sort 0, 1, 2 in an array - Part 2 Sort 0, 1, 2 in an array - Part 1 Override the compare function for Collections.sort method Sum of all the overlapping elements Override the compare function for Arrays.sort method - Java What is a Pascal Triangle? Calculate tax on income as per given tax brackets. Print Top 10 videos from List The largest number can be formed from the given number Check if the given playlist of programs is valid Find the number of pairs with even XOR Unresolved references error - Django in PyCharm and IntelliJ Given an array, Find the number of all pairs with even sum Find Election Winner Construct the Largest number from the given digits Find Lexicographically smallest or largest substring of size k 1 2 3 4 5 6 7