| 1189 | Maximum Number of Balloons | Hash TableStringCounting | Easy |
| 1200 | Minimum Absolute Difference | ArraySorting | Easy |
| 1207 | Unique Number of Occurrences | ArrayHash Table | Easy |
| 1211 | Queries Quality and Percentage | Database | Easy |
| 1217 | Minimum Cost to Move Chips to The Same Position | ArrayMathGreedy | Easy |
| 1221 | Split a String in Balanced Strings | StringGreedyCounting | Easy |
| 1232 | Check If It Is a Straight Line | ArrayMathGeometry | Easy |
| 1251 | Average Selling Price | Database | Easy |
| 1252 | Cells with Odd Values in a Matrix | ArrayMathSimulation | Easy |
| 1260 | Shift 2D Grid | ArrayMatrixSimulation | Easy |
| 1266 | Minimum Time Visiting All Points | ArrayMathGeometry | Easy |
| 1275 | Find Winner on a Tic Tac Toe Game | ArrayHash TableMatrix+1 | Easy |
| 1280 | Students and Examinations | Database | Easy |
| 1281 | Subtract the Product and Sum of Digits of an Integer | Math | Easy |
| 1287 | Element Appearing More Than 25% In Sorted Array | Array | Easy |
| 1290 | Convert Binary Number in a Linked List to Integer | Linked ListMath | Easy |
| 1295 | Find Numbers with Even Number of Digits | ArrayMath | Easy |
| 1299 | Replace Elements with Greatest Element on Right Side | Array | Easy |
| 1304 | Find N Unique Integers Sum up to Zero | ArrayMath | Easy |
| 1309 | Decrypt String from Alphabet to Integer Mapping | String | Easy |
| 1313 | Decompress Run-Length Encoded List | Array | Easy |
| 1317 | Convert Integer to the Sum of Two No-Zero Integers | Math | Easy |
| 1323 | Maximum 69 Number | MathGreedy | Easy |
| 1327 | List the Products Ordered in a Period | Database | Easy |
| 1331 | Rank Transform of an Array | ArrayHash TableSorting | Easy |
| 1332 | Remove Palindromic Subsequences | Two PointersString | Easy |
| 1337 | The K Weakest Rows in a Matrix | ArrayBinary SearchSorting+2 | Easy |
| 1342 | Number of Steps to Reduce a Number to Zero | MathBit Manipulation | Easy |
| 1346 | Check If N and Its Double Exist | ArrayHash TableTwo Pointers+2 | Easy |
| 1351 | Count Negative Numbers in a Sorted Matrix | ArrayBinary SearchMatrix | Easy |
| 1356 | Sort Integers by The Number of 1 Bits | ArrayBit ManipulationSorting+1 | Easy |
| 1360 | Number of Days Between Two Dates | MathString | Easy |
| 1365 | How Many Numbers Are Smaller Than the Current Number | ArrayHash TableSorting+1 | Easy |
| 1370 | Increasing Decreasing String | Hash TableStringCounting | Easy |
| 1374 | Generate a String With Characters That Have Odd Counts | String | Easy |
| 1378 | Replace Employee ID With The Unique Identifier | Database | Easy |
| 1379 | Find a Corresponding Node of a Binary Tree in a Clone of That Tree | TreeDepth-First SearchBreadth-First Search+1 | Easy |
| 1380 | Lucky Numbers in a Matrix | ArrayMatrix | Easy |
| 1385 | Find the Distance Value Between Two Arrays | ArrayTwo PointersBinary Search+1 | Easy |
| 1389 | Create Target Array in the Given Order | ArraySimulation | Easy |
| 1394 | Find Lucky Integer in an Array | ArrayHash TableCounting | Easy |
| 1399 | Count Largest Group | Hash TableMath | Easy |
| 1403 | Minimum Subsequence in Non-Increasing Order | ArrayGreedySorting | Easy |
| 1407 | Top Travellers | Database | Easy |
| 1408 | String Matching in an Array | ArrayStringString Matching | Easy |
| 1413 | Minimum Value to Get Positive Step by Step Sum | ArrayPrefix Sum | Easy |
| 1417 | Reformat The String | String | Easy |
| 1422 | Maximum Score After Splitting a String | StringPrefix Sum | Easy |
| 1431 | Kids With the Greatest Number of Candies | Array | Easy |
| 1436 | Destination City | ArrayHash TableString | Easy |