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NADOS
- Largest Square Sub-matrix With All 1's
- Print All Paths With Minimum Jumps
- Print All Paths With Minimum Cost
- Print All Paths With Maximum Gold
- Print All Paths With Target Sum Subset
- Print All Results In 0-1 Knapsack
- 2 Key Keyboard
- 4 Key Keyboard
- Longest Increasing Subsequence
- Print All Longest Increasing Subsequences
- Maximum Sum Increasing Subsequence
- Longest Bitonic Subsequence
- Maximum Non-overlapping Bridges
- Russian Doll Envelopes
- Min Squares
- Catalan Number
- Number Of Bsts
- Count Of Valleys And Mountains
- Count Brackets
- Circle And Chords
- Number Of Ways Of Triangulation
- Catalan Numbers Variation
- Matrix Chain Multiplication
- Burst Balloons
- Minimum Score Of Triangulation
- Boolean Parenthesization
- Optimal Binary Search Tree
- Rod Cutting
- Minimum Palindromic Cut
- Longest Common Subsequence
- Longest Palindromic Subsequences
- Count Palindromic Subsequences
- Count Palindromic Substrings
- Longest Palindromic Substring
- Count Distinct Subsequences
- Count Of Distinct Palindromic Subsequences
- Wildcard Pattern Matching
- Regular Expression Matching
- Longest Common Substring
- Longest Repeating Subsequence
- Edit Distance
- Scramble String
- Minimum Ascii Delete Sum For Two Strings
- Minimum Cost To Make Two Strings Identical
- Kadane's Algorithm
- K Concatenation
- Maximum Sum Subarray With At Least K Elements
- Egg Drop
- Optimal Strategy For A Game
- Cherry Pickup
- Probability Of Knight In The Chessboard
- Highway Billboard
- Distinct Transformations
- Numeric Keypad
- Maximum Difference Of Zeros And Ones In Binary String
- Maximum Sum Of Two Non-overlapping Subarrays
- Maximum Sum Of Three Non-overlapping Subarrays
- Maximum Sum Of M Non-overlapping Subarrays
- Arithmetic Slices 1
- Arithmetic Slices 2
- Word Break
- Temple Offerings
- Minimum Insertions To Make Palindrome
- Ugly Number
- Super Ugly Number
- Find Water In Glass
- Frog Jump
- Interleaving Of Two Strings
- Maximum Length Of Repeated Subarray
- Distinct Echo Substrings
- Minimum Cost To Cut A Stick
- Delete And Earn
- Number Of Good Ways To Split A String
- Minimum Cost For Tickets
- Minimum Ascii Delete Sum For Two Strings
- Maximum Alternating Subsequence Sum
- Stone Game
- Largest Multiple Of Three
- Longest Increasing Subsequence
- Maximum Sum Increasing Subsequence
- Longest Bitonic Subsequence
- Temple Offerings
- Count Palindromic Substrings
- Minimum Score Of Triangulation
- Catalan Numbers Variation
- Print All Paths With Minimum Jumps
- Maximum Sum Of Two Non-overlapping Subarrays
- Arithmetic Slices - 2
- Longest Common Substring
- Count Brackets
- Minimum Cost To Make Two Strings Identical
- Number of Ways of Triangulation
- Russian Doll Envelopes
- Maximum Non - Overlapping Bridges
- Kadanes Algorithm
- Count Palindromic Subsequence
- Circle and Chords
- Optimal Strategy For a Game
- Maximum Sum of 3 Non-Overlapping Subarrays
- Print All Paths With Target Sum Subset
- Regular Expression Matching
- Number of BSTs
- Count of Valleys and Mountains
- Longest Palindromic Substrings
- Distinct Transformations
- Find Water In Glass
- Arithmetic Slices - 1
- Largest Square Sub Matrix with all 1s
- Maximum Length of Repeated Subarray
- All Repeating Except One
- Min Squares
- Numeric Keypad
- Word Break-2
- Minimum Palindromic Cuts
- Rod Cutting
- Burst Balloons
- Maximum Sum Of M Non-overlapping Subarrays
- Print All Longest Increasing Subsequences
- Longest Common Subsequence
- Count Distinct Subsequences
- Print All Paths With Minimum Counts
- Print all Paths with Maximum Gold
- Print All Results In 0-1 Knapsack
- Wildcard Pattern Matching
- Catalan Numbers
- Boolean Parenthesization
- Optimal Binary Search Tree
- Longest Repeating Subsequence
- Minimum Ascii Delete Sum for Two Strings
- Edit Distance
- K Concatenation
- Maximum Sum Subarray With At Least K Elements
- Egg Drop
- Scramble String
- Highway Billboard
- Minimum Insertions To Make Palindrome
- Ugly Number
- Super Ugly Number
- Frog Jump
- Interleaving of two strings
Numeric Keypad
Try First, Check Solution later
1. You should first read the question and watch the question video.2. Think of a solution approach, then try and submit the question on editor tab.3. We strongly advise you to watch the solution video for prescribed approach.1. You are given a number N, which represents the count of buttons pressed on a mobile numeric keypad.Input Format
2. You can only press buttons that are up, left, right, down to the current button and the current button also.
3. You can not press bottom row corner buttons(* and #).
4. You have to find the count of different numbers that can be generated by pressing N number of buttons.
A number NOutput Format
Check the sample output and question video.Question Video Constraints
1 <= N <= 30Sample Input
2Sample Output
36
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Video Solution
Code Solution
{ }
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- unfold Alt-Shift-L|Ctrl-Shift-F1
- Gotoend Ctrl-End
- Gotostart Ctrl-Home
- Movelinesup Alt-Up
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{ }
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Editor Settings
Font Size
Key Binding
Keyboard Shortcut
- fold Alt-L|Ctrl-F1
- unfold Alt-Shift-L|Ctrl-Shift-F1
- Gotoend Ctrl-End
- Gotostart Ctrl-Home
- Movelinesup Alt-Up
- Movelinesdown Alt-Down
- Undo Ctrl-Z
- Redo Ctrl-Shift-Z|Ctrl-Y
- Replace Ctrl-H
- Togglecomment Ctrl-/
- ToggleBlockComment Ctrl-Shift-/
- Removeline Ctrl-D
