Code Challenges

Coding Challenges

Select a problem, write code, run test cases, and submit your solution.

Guru

Implement the `regularExpressionMatchSimple` method that checks whether text matches a simplified regular expression pattern.

Guru

Implement the `palindromePartitionMinCuts` method that returns the minimum cuts needed to split text into palindrome parts.

Proficient

Implement the `maximumSquareAreaOnes` method that returns the area of the largest all-ones square in a matrix.

Proficient

Implement the `wordBreakDpPossible` method that checks whether dynamic programming can segment the text into dictionary words.

Guru

Implement the `editDistanceDpOperations` method that returns the minimum edit operations using dynamic programming.

Proficient

Implement the `longestCommonSubsequenceDpLength` method that returns the LCS length using dynamic programming.

Proficient

Implement the `longestIncreasingSubsequenceOptimizedLength` method that returns the LIS length using optimized binary-search based logic.

Intermediate

Implement the `coinChangeCombinationCount` method that counts coin combinations that can make the amount.

Proficient

Implement the `coinChangeMinimumCoins` method that returns the minimum number of coins needed to make the amount.

Intermediate

Implement the `houseRobberMaximumAmount` method that returns the maximum amount that can be robbed without choosing adjacent houses.

Proficient

Implement the `wordBreakPossible` method that checks whether the text can be segmented using the given dictionary words.

Learner

Implement the `fibonacciDP` method that returns the nth Fibonacci number using dynamic programming.

Learner

Code Challenges

Get better at coding with practice problems.

Coding Challenges

Implement the `regularExpressionMatchSimple` method that checks whether text matches a simplified regular expression pattern.

Implement the `palindromePartitionMinCuts` method that returns the minimum cuts needed to split text into palindrome parts.

Implement the `maximumSquareAreaOnes` method that returns the area of the largest all-ones square in a matrix.

Implement the `wordBreakDpPossible` method that checks whether dynamic programming can segment the text into dictionary words.

Implement the `editDistanceDpOperations` method that returns the minimum edit operations using dynamic programming.

Implement the `longestCommonSubsequenceDpLength` method that returns the LCS length using dynamic programming.

Implement the `longestIncreasingSubsequenceOptimizedLength` method that returns the LIS length using optimized binary-search based logic.

Implement the `coinChangeCombinationCount` method that counts coin combinations that can make the amount.

Implement the `coinChangeMinimumCoins` method that returns the minimum number of coins needed to make the amount.

Implement the `houseRobberMaximumAmount` method that returns the maximum amount that can be robbed without choosing adjacent houses.

Implement the `wordBreakPossible` method that checks whether the text can be segmented using the given dictionary words.

Implement the `fibonacciDP` method that returns the nth Fibonacci number using dynamic programming.

Implement the `climbStairsWays` method that returns the number of distinct ways to climb n stairs.

Code Challenges

Get better at coding with practice problems.

Coding Challenges

Implement the regularExpressionMatchSimple method that checks whether text matches a simplified regular expression pattern. Solved

Implement the palindromePartitionMinCuts method that returns the minimum cuts needed to split text into palindrome parts. Solved

Implement the maximumSquareAreaOnes method that returns the area of the largest all-ones square in a matrix. Solved

Implement the wordBreakDpPossible method that checks whether dynamic programming can segment the text into dictionary words. Solved

Implement the editDistanceDpOperations method that returns the minimum edit operations using dynamic programming. Solved

Implement the longestCommonSubsequenceDpLength method that returns the LCS length using dynamic programming. Solved

Implement the longestIncreasingSubsequenceOptimizedLength method that returns the LIS length using optimized binary-search based logic. Solved

Implement the coinChangeCombinationCount method that counts coin combinations that can make the amount. Solved

Implement the coinChangeMinimumCoins method that returns the minimum number of coins needed to make the amount. Solved

Implement the houseRobberMaximumAmount method that returns the maximum amount that can be robbed without choosing adjacent houses. Solved

Implement the wordBreakPossible method that checks whether the text can be segmented using the given dictionary words. Solved

Implement the fibonacciDP method that returns the nth Fibonacci number using dynamic programming. Solved

Implement the climbStairsWays method that returns the number of distinct ways to climb n stairs. Solved

Implement the `regularExpressionMatchSimple` method that checks whether text matches a simplified regular expression pattern.

Implement the `palindromePartitionMinCuts` method that returns the minimum cuts needed to split text into palindrome parts.

Implement the `maximumSquareAreaOnes` method that returns the area of the largest all-ones square in a matrix.

Implement the `wordBreakDpPossible` method that checks whether dynamic programming can segment the text into dictionary words.

Implement the `editDistanceDpOperations` method that returns the minimum edit operations using dynamic programming.

Implement the `longestCommonSubsequenceDpLength` method that returns the LCS length using dynamic programming.

Implement the `longestIncreasingSubsequenceOptimizedLength` method that returns the LIS length using optimized binary-search based logic.

Implement the `coinChangeCombinationCount` method that counts coin combinations that can make the amount.

Implement the `coinChangeMinimumCoins` method that returns the minimum number of coins needed to make the amount.

Implement the `houseRobberMaximumAmount` method that returns the maximum amount that can be robbed without choosing adjacent houses.

Implement the `wordBreakPossible` method that checks whether the text can be segmented using the given dictionary words.

Implement the `fibonacciDP` method that returns the nth Fibonacci number using dynamic programming.

Implement the `climbStairsWays` method that returns the number of distinct ways to climb n stairs.