| 2778 | Sum of Squares of Special Elements | ArrayEnumeration | Easy |
| 2784 | Check if Array is Good | ArrayHash TableSorting | Easy |
| 2788 | Split Strings by Separator | ArrayString | Easy |
| 2798 | Number of Employees Who Met the Target | Array | Easy |
| 2806 | Account Balance After Rounded Purchase | Math | Easy |
| 2810 | Faulty Keyboard | StringSimulation | Easy |
| 2815 | Max Pair Sum in an Array | ArrayHash Table | Easy |
| 2824 | Count Pairs Whose Sum is Less than Target | ArrayTwo PointersBinary Search+1 | Easy |
| 2828 | Check if a String Is an Acronym of Words | ArrayString | Easy |
| 2833 | Furthest Point From Origin | StringCounting | Easy |
| 2839 | Check if Strings Can be Made Equal With Operations I | String | Easy |
| 2843 | Count Symmetric Integers | MathEnumeration | Easy |
| 2848 | Points That Intersect With Cars | ArrayHash TablePrefix Sum | Easy |
| 2855 | Minimum Right Shifts to Sort the Array | Array | Easy |
| 2859 | Sum of Values at Indices With K Set Bits | ArrayBit Manipulation | Easy |
| 2864 | Maximum Odd Binary Number | MathStringGreedy | Easy |
| 2869 | Minimum Operations to Collect Elements | ArrayHash TableBit Manipulation | Easy |
| 2873 | Maximum Value of an Ordered Triplet I | Array | Easy |
| 2877 | Create a DataFrame from List | | Easy |
| 2878 | Get the Size of a DataFrame | | Easy |
| 2879 | Display the First Three Rows | | Easy |
| 2880 | Select Data | | Easy |
| 2881 | Create a New Column | | Easy |
| 2882 | Drop Duplicate Rows | | Easy |
| 2883 | Drop Missing Data | | Easy |
| 2884 | Modify Columns | | Easy |
| 2885 | Rename Columns | | Easy |
| 2886 | Change Data Type | | Easy |
| 2887 | Fill Missing Data | | Easy |
| 2888 | Reshape Data: Concatenate | | Easy |
| 2889 | Reshape Data: Pivot | | Easy |
| 2890 | Reshape Data: Melt | | Easy |
| 2891 | Method Chaining | | Easy |
| 2894 | Divisible and Non-divisible Sums Difference | Math | Easy |
| 2899 | Last Visited Integers | ArraySimulation | Easy |
| 2900 | Longest Unequal Adjacent Groups Subsequence I | ArrayStringDynamic Programming+1 | Easy |
| 2903 | Find Indices With Index and Value Difference I | ArrayTwo Pointers | Easy |
| 2908 | Minimum Sum of Mountain Triplets I | Array | Easy |
| 2913 | Subarrays Distinct Element Sum of Squares I | ArrayHash Table | Easy |
| 2917 | Find the K-or of an Array | ArrayBit Manipulation | Easy |
| 2923 | Find Champion I | ArrayMatrix | Easy |
| 2928 | Distribute Candies Among Children I | MathCombinatoricsEnumeration | Easy |
| 2932 | Maximum Strong Pair XOR I | ArrayHash TableBit Manipulation+2 | Easy |
| 2937 | Make Three Strings Equal | String | Easy |
| 2942 | Find Words Containing Character | ArrayString | Easy |
| 2946 | Matrix Similarity After Cyclic Shifts | ArrayMathMatrix+1 | Easy |
| 2951 | Find the Peaks | ArrayEnumeration | Easy |
| 2956 | Find Common Elements Between Two Arrays | ArrayHash Table | Easy |
| 2960 | Count Tested Devices After Test Operations | ArraySimulationCounting | Easy |
| 2965 | Find Missing and Repeated Values | ArrayHash TableMath+1 | Easy |