LeetCode Solutions Collection of my LeetCode solutions in C++ Statistics Difficulty Count Easy 20 Medium 17 Hard 3 Unknown 0 Total 40 Problems # Problem Difficulty Topics 0038 Count And Say 🟡 Medium String 0066 Plus One 🟢 Easy Array 0067 Add Binary 🟢 Easy String 0122 Best Time To Buy And Sell Stock Ii 🟡 Medium Array 0169 Majority Element 🟢 Easy Array 0198 House Robber 🟡 Medium Array 0744 Find Smallest Letter Greater Than Target 🟢 Easy Array 0868 Binary Gap 🟢 Easy N/A 0881 Boats To Save People 🟡 Medium Array 0944 Delete Columns To Make Sorted 🟢 Easy Array 0955 Delete Columns To Make Sorted Ii 🟡 Medium Array, String 0961 N Repeated Element In Size 2N Array 🟢 Easy Array 1200 Minimum Absolute Difference 🟢 Easy Array 1295 Find Numbers With Even Number Of Digits 🟢 Easy Array 1351 Count Negative Numbers In A Sorted Matrix 🟢 Easy Matrix 1399 Count Largest Group 🟢 Easy N/A 1534 Count Good Triplets 🟢 Easy Array 1653 Minimum Deletions To Make String Balanced 🟡 Medium String 1848 Minimum Distance To The Target Element 🟢 Easy Array 1877 Minimize Maximum Pair Sum In Array 🟡 Medium Array 1922 Count Good Numbers 🟡 Medium String 1984 Minimum Difference Between Highest And Lowest Of K Scores 🟢 Easy Array 2563 Count The Number Of Fair Pairs 🟡 Medium Array 2799 Count Complete Subarrays In An Array 🟡 Medium Array 2839 Check If Strings Can Be Made Equal With Operations I 🟢 Easy String 2946 Matrix Similarity After Cyclic Shifts 🟢 Easy Matrix 3010 Divide An Array Into Subarrays With Minimum Cost I 🟢 Easy Array 3013 Divide An Array Into Subarrays With Minimum Cost Ii 🔴 Hard Array 3379 Transformed Array 🟢 Easy Array 3507 Minimum Pair Removal To Sort Array I 🟢 Easy Array 3510 Minimum Pair Removal To Sort Array Ii 🔴 Hard Array 3522 Calculate Score After Performing Instructions 🟡 Medium N/A 3523 Make Array Non Decreasing 🟡 Medium Array 3637 Trionic Array I 🟢 Easy Array 3640 Trionic Array Ii 🔴 Hard Array 3650 Minimum Cost Path With Edge Reversals 🟡 Medium Array, Graph 3713 Longest Balanced Substring I 🟡 Medium String 3719 Longest Balanced Subarray I 🟡 Medium Array 3741 Minimum Distance Between Three Equal Elements Ii 🟡 Medium Array 3761 Minimum Absolute Distance Between Mirror Pairs 🟡 Medium Array