Darbar · Greedy 25 slots in the Leetcode Darbar catalog. Darbar Slot Problem Subtopic Difficulty 168 Longest Palindrome hashing easy 169 Partition Labels hashing medium 170 Reduce Array Size To The Half hashing medium 171 Minimum Operations To Make The Array Alternating hashing medium 172 Find Original Array From Doubled Array hashing medium 173 Max Increase To Keep City Skyline matrix medium 174 Score After Flipping Matrix matrix medium 175 Reconstruct A 2 Row Binary Matrix matrix medium 176 Maximum Matrix Sum matrix medium 177 Minimum Swaps To Arrange A Binary Grid matrix medium 178 Split A String In Balanced Strings simple greedy easy 179 Maximum 69 Number simple greedy easy 180 Minimum Operations To Make The Array Increasing simple greedy easy 181 Minimum Cost To Move Chips To The Same Position simple greedy easy 182 Minimum Number Of Operations To Convert Time simple greedy easy 183 Minimum Sum Of Four Digit Number After Splitting Digits sorting easy 184 Array Partition sorting easy 185 Minimum Subsequence In Non Increasing Order sorting easy 186 Minimum Time To Type Word Using Special Typewriter sorting easy 187 Two Furthest Houses With Different Colors sorting easy 188 Di String Match two pointer easy 189 Valid Palindrome Ii two pointer easy 190 Minimize Maximum Pair Sum In Array two pointer medium 191 Partition Labels two pointer medium 192 Minimum Adjacent Swaps To Reach The Kth Smallest Number two pointer medium All topics · Syllabus