| 1201 |
Ugly Number III |
Go |
Medium |
| 1202 |
Smallest String With Swaps |
Go |
Medium |
| 1203 |
Sort Items by Groups Respecting Dependencies |
Go |
Hard |
| 1204 |
Last Person to Fit in the Bus 🔒 |
MySQL |
Medium |
| 1205 |
Monthly Transactions II 🔒 |
MySQL |
Medium |
| 1206 |
Design Skiplist |
Go |
Hard |
| 1207 |
Unique Number of Occurrences |
Go |
Easy |
| 1208 |
Get Equal Substrings Within Budget |
Go |
Medium |
| 1209 |
Remove All Adjacent Duplicates in String II |
Go |
Medium |
| 1210 |
Minimum Moves to Reach Target with Rotations |
Go |
Hard |
| 1211 |
Queries Quality and Percentage 🔒 |
MySQL |
Easy |
| 1212 |
Team Scores in Football Tournament 🔒 |
MySQL |
Medium |
| 1213 |
Intersection of Three Sorted Arrays 🔒 |
Go |
Easy |
| 1214 |
Two Sum BSTs 🔒 |
Go |
Medium |
| 1215 |
Stepping Numbers 🔒 |
Go |
Medium |
| 1216 |
Valid Palindrome III 🔒 |
Go |
Hard |
| 1217 |
Minimum Cost to Move Chips to The Same Position |
Go |
Easy |
| 1218 |
Longest Arithmetic Subsequence of Given Difference |
Go |
Medium |
| 1219 |
Path with Maximum Gold |
Go |
Medium |
| 1220 |
Count Vowels Permutation |
Go |
Hard |
| 1221 |
Split a String in Balanced Strings |
Go |
Easy |
| 1222 |
Queens That Can Attack the King |
Go |
Medium |
| 1223 |
Dice Roll Simulation |
Go |
Hard |
| 1224 |
Maximum Equal Frequency |
Go |
Hard |
| 1225 |
Report Contiguous Dates 🔒 |
MySQL |
Hard |
| 1226 |
The Dining Philosophers |
Go |
Medium |
| 1227 |
Airplane Seat Assignment Probability |
Go |
Medium |
| 1228 |
Missing Number In Arithmetic Progression 🔒 |
Go |
Easy |
| 1229 |
Meeting Scheduler 🔒 |
Go |
Medium |
| 1230 |
Toss Strange Coins 🔒 |
Go |
Medium |
| 1231 |
Divide Chocolate 🔒 |
Go |
Hard |
| 1232 |
Check If It Is a Straight Line |
Go |
Easy |
| 1233 |
Remove Sub-Folders from the Filesystem |
Go |
Medium |
| 1234 |
Replace the Substring for Balanced String |
Go |
Medium |
| 1235 |
Maximum Profit in Job Scheduling |
Go |
Hard |
| 1236 |
Web Crawler 🔒 |
Go |
Medium |
| 1237 |
Find Positive Integer Solution for a Given Equation |
Go |
Medium |
| 1238 |
Circular Permutation in Binary Representation |
Go |
Medium |
| 1239 |
Maximum Length of a Concatenated String with Unique Characters |
Go |
Medium |
| 1240 |
Tiling a Rectangle with the Fewest Squares |
Go |
Hard |
| 1241 |
Number of Comments per Post 🔒 |
MySQL |
Easy |
| 1242 |
Web Crawler Multithreaded 🔒 |
Go |
Medium |
| 1243 |
Array Transformation 🔒 |
Go |
Easy |
| 1244 |
Design A Leaderboard 🔒 |
Go |
Medium |
| 1245 |
Tree Diameter 🔒 |
Go |
Medium |
| 1246 |
Palindrome Removal 🔒 |
Go |
Hard |
| 1247 |
Minimum Swaps to Make Strings Equal |
Go |
Medium |
| 1248 |
Count Number of Nice Subarrays |
Go |
Medium |
| 1249 |
Minimum Remove to Make Valid Parentheses |
Go |
Medium |
| 1250 |
Check If It Is a Good Array |
Go |
Hard |
| 1251 |
Average Selling Price 🔒 |
MySQL |
Easy |
| 1252 |
Cells with Odd Values in a Matrix |
Go |
Easy |
| 1253 |
Reconstruct a 2-Row Binary Matrix |
Go |
Medium |
| 1254 |
Number of Closed Islands |
Go |
Medium |
| 1255 |
Maximum Score Words Formed by Letters |
Go |
Hard |
| 1256 |
Encode Number 🔒 |
Go |
Medium |
| 1257 |
Smallest Common Region 🔒 |
Go |
Medium |
| 1258 |
Synonymous Sentences 🔒 |
Go |
Medium |
| 1259 |
Handshakes That Don't Cross 🔒 |
Go |
Hard |
| 1260 |
Shift 2D Grid |
Go |
Easy |
| 1261 |
Find Elements in a Contaminated Binary Tree |
Go |
Medium |
| 1262 |
Greatest Sum Divisible by Three |
Go |
Medium |
| 1263 |
Minimum Moves to Move a Box to Their Target Location |
Go |
Hard |
| 1264 |
Page Recommendations 🔒 |
MySQL |
Medium |
| 1265 |
Print Immutable Linked List in Reverse 🔒 |
Go |
Medium |
| 1266 |
Minimum Time Visiting All Points |
Go |
Easy |
| 1267 |
Count Servers that Communicate |
Go |
Medium |
| 1268 |
Search Suggestions System |
Go |
Medium |
| 1269 |
Number of Ways to Stay in the Same Place After Some Steps |
Go |
Hard |
| 1270 |
All People Report to the Given Manager 🔒 |
MySQL |
Medium |
| 1271 |
Hexspeak 🔒 |
Go |
Easy |
| 1272 |
Remove Interval 🔒 |
Go |
Medium |
| 1273 |
Delete Tree Nodes 🔒 |
Go |
Medium |
| 1274 |
Number of Ships in a Rectangle 🔒 |
Go |
Hard |
| 1275 |
Find Winner on a Tic Tac Toe Game |
Go |
Easy |
| 1276 |
Number of Burgers with No Waste of Ingredients |
Go |
Medium |
| 1277 |
Count Square Submatrices with All Ones |
Go |
Medium |
| 1278 |
Palindrome Partitioning III |
Go |
Hard |
| 1279 |
Traffic Light Controlled Intersection 🔒 |
Go |
Easy |
| 1280 |
Students and Examinations 🔒 |
MySQL |
Easy |
| 1281 |
Subtract the Product and Sum of Digits of an Integer |
Go |
Easy |
| 1282 |
Group the People Given the Group Size They Belong To |
Go |
Medium |
| 1283 |
Find the Smallest Divisor Given a Threshold |
Go |
Medium |
| 1284 |
Minimum Number of Flips to Convert Binary Matrix to Zero Matrix |
Go |
Hard |
| 1285 |
Find the Start and End Number of Continuous Ranges 🔒 |
MySQL |
Medium |
| 1286 |
Iterator for Combination |
Go |
Medium |
| 1287 |
Element Appearing More Than 25% In Sorted Array |
Go |
Easy |
| 1288 |
Remove Covered Intervals |
Go |
Medium |
| 1289 |
Minimum Falling Path Sum II |
Go |
Hard |
| 1290 |
Convert Binary Number in a Linked List to Integer |
Go |
Easy |
| 1291 |
Sequential Digits |
Go |
Medium |
| 1292 |
Maximum Side Length of a Square with Sum Less than or Equal to Threshold |
Go |
Medium |
| 1293 |
Shortest Path in a Grid with Obstacles Elimination |
Go |
Hard |
| 1294 |
Weather Type in Each Country 🔒 |
MySQL |
Easy |
| 1295 |
Find Numbers with Even Number of Digits |
Go |
Easy |
| 1296 |
Divide Array in Sets of K Consecutive Numbers |
Go |
Medium |
| 1297 |
Maximum Number of Occurrences of a Substring |
Go |
Medium |
| 1298 |
Maximum Candies You Can Get from Boxes |
Go |
Hard |
| 1299 |
Replace Elements with Greatest Element on Right Side |
Go |
Easy |
| 1300 |
Sum of Mutated Array Closest to Target |
Go |
Medium |
| 1301 |
Number of Paths with Max Score |
Go |
Hard |
| 1302 |
Deepest Leaves Sum |
Go |
Medium |
| 1303 |
Find the Team Size 🔒 |
MySQL |
Easy |
| 1304 |
Find N Unique Integers Sum up to Zero |
Go |
Easy |
| 1305 |
All Elements in Two Binary Search Trees |
Go |
Medium |
| 1306 |
Jump Game III |
Go |
Medium |
| 1307 |
Verbal Arithmetic Puzzle |
Go |
Hard |
| 1308 |
Running Total for Different Genders 🔒 |
MySQL |
Medium |
| 1309 |
Decrypt String from Alphabet to Integer Mapping |
Go |
Easy |
| 1310 |
XOR Queries of a Subarray |
Go |
Medium |
| 1311 |
Get Watched Videos by Your Friends |
Go |
Medium |
| 1312 |
Minimum Insertion Steps to Make a String Palindrome |
Go |
Hard |
| 1313 |
Decompress Run-Length Encoded List |
Go |
Easy |
| 1314 |
Matrix Block Sum |
Go |
Medium |
| 1315 |
Sum of Nodes with Even-Valued Grandparent |
Go |
Medium |
| 1316 |
Distinct Echo Substrings |
Go |
Hard |
| 1317 |
Convert Integer to the Sum of Two No-Zero Integers |
Go |
Easy |
| 1318 |
Minimum Flips to Make a OR b Equal to c |
Go |
Medium |
| 1319 |
Number of Operations to Make Network Connected |
Go |
Medium |
| 1320 |
Minimum Distance to Type a Word Using Two Fingers |
Go |
Hard |
| 1321 |
Restaurant Growth 🔒 |
MySQL |
Medium |
| 1322 |
Ads Performance 🔒 |
MySQL |
Easy |
| 1323 |
Maximum 69 Number |
Go |
Easy |
| 1324 |
Print Words Vertically |
Go |
Medium |
| 1325 |
Delete Leaves With a Given Value |
Go |
Medium |
| 1326 |
Minimum Number of Taps to Open to Water a Garden |
Go |
Hard |
| 1327 |
List the Products Ordered in a Period 🔒 |
MySQL |
Easy |
| 1328 |
Break a Palindrome |
Go |
Medium |
| 1329 |
Sort the Matrix Diagonally |
Go |
Medium |
| 1330 |
Reverse Subarray To Maximize Array Value |
Go |
Hard |
| 1331 |
Rank Transform of an Array |
Go |
Easy |
| 1332 |
Remove Palindromic Subsequences |
Go |
Easy |
| 1333 |
Filter Restaurants by Vegan-Friendly, Price and Distance |
Go |
Medium |
| 1334 |
Find the City With the Smallest Number of Neighbors at a Threshold Distance |
Go |
Medium |
| 1335 |
Minimum Difficulty of a Job Schedule |
Go |
Hard |
| 1336 |
Number of Transactions per Visit 🔒 |
MySQL |
Hard |
| 1337 |
The K Weakest Rows in a Matrix |
Go |
Easy |
| 1338 |
Reduce Array Size to The Half |
Go |
Medium |
| 1339 |
Maximum Product of Splitted Binary Tree |
Go |
Medium |
| 1340 |
Jump Game V |
Go |
Hard |
| 1341 |
Movie Rating 🔒 |
MySQL |
Medium |
| 1342 |
Number of Steps to Reduce a Number to Zero |
Go |
Easy |
| 1343 |
Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold |
Go |
Medium |
| 1344 |
Angle Between Hands of a Clock |
Go |
Medium |
| 1345 |
Jump Game IV |
Go |
Hard |
| 1346 |
Check If N and Its Double Exist |
Go |
Easy |
| 1347 |
Minimum Number of Steps to Make Two Strings Anagram |
Go |
Medium |
| 1348 |
Tweet Counts Per Frequency |
Go |
Medium |
| 1349 |
Maximum Students Taking Exam |
Go |
Hard |
| 1350 |
Students With Invalid Departments 🔒 |
MySQL |
Easy |
| 1351 |
Count Negative Numbers in a Sorted Matrix |
Go |
Easy |
| 1352 |
Product of the Last K Numbers |
Go |
Medium |
| 1353 |
Maximum Number of Events That Can Be Attended |
Go |
Medium |
| 1354 |
Construct Target Array With Multiple Sums |
Go |
Hard |
| 1355 |
Activity Participants 🔒 |
MySQL |
Medium |
| 1356 |
Sort Integers by The Number of 1 Bits |
Go |
Easy |
| 1357 |
Apply Discount Every n Orders |
Go |
Medium |
| 1358 |
Number of Substrings Containing All Three Characters |
Go |
Medium |
| 1359 |
Count All Valid Pickup and Delivery Options |
Go |
Hard |
| 1360 |
Number of Days Between Two Dates |
Go |
Easy |
| 1361 |
Validate Binary Tree Nodes |
Go |
Medium |
| 1362 |
Closest Divisors |
Go |
Medium |
| 1363 |
Largest Multiple of Three |
Go |
Hard |
| 1364 |
Number of Trusted Contacts of a Customer 🔒 |
MySQL |
Medium |
| 1365 |
How Many Numbers Are Smaller Than the Current Number |
Go |
Easy |
| 1366 |
Rank Teams by Votes |
Go |
Medium |
| 1367 |
Linked List in Binary Tree |
Go |
Medium |
| 1368 |
Minimum Cost to Make at Least One Valid Path in a Grid |
Go |
Hard |
| 1369 |
Get the Second Most Recent Activity 🔒 |
MySQL |
Hard |
| 1370 |
Increasing Decreasing String |
Go |
Easy |
| 1371 |
Find the Longest Substring Containing Vowels in Even Counts |
Go |
Medium |
| 1372 |
Longest ZigZag Path in a Binary Tree |
Go |
Medium |
| 1373 |
Maximum Sum BST in Binary Tree |
Go |
Hard |
| 1374 |
Generate a String With Characters That Have Odd Counts |
Go |
Easy |
| 1375 |
Number of Times Binary String Is Prefix-Aligned |
Go |
Medium |
| 1376 |
Time Needed to Inform All Employees |
Go |
Medium |
| 1377 |
Frog Position After T Seconds |
Go |
Hard |
| 1378 |
Replace Employee ID With The Unique Identifier 🔒 |
MySQL |
Easy |
| 1379 |
Find a Corresponding Node of a Binary Tree in a Clone of That Tree |
Go |
Medium |
| 1380 |
Lucky Numbers in a Matrix |
Go |
Easy |
| 1381 |
Design a Stack With Increment Operation |
Go |
Medium |
| 1382 |
Balance a Binary Search Tree |
Go |
Medium |
| 1383 |
Maximum Performance of a Team |
Go |
Hard |
| 1384 |
Total Sales Amount by Year 🔒 |
MySQL |
Hard |
| 1385 |
Find the Distance Value Between Two Arrays |
Go |
Easy |
| 1386 |
Cinema Seat Allocation |
Go |
Medium |
| 1387 |
Sort Integers by The Power Value |
Go |
Medium |
| 1388 |
Pizza With 3n Slices |
Go |
Hard |
| 1389 |
Create Target Array in the Given Order |
Go |
Easy |
| 1390 |
Four Divisors |
Go |
Medium |
| 1391 |
Check if There is a Valid Path in a Grid |
Go |
Medium |
| 1392 |
Longest Happy Prefix |
Go |
Hard |
| 1393 |
Capital Gain/Loss 🔒 |
MySQL |
Medium |
| 1394 |
Find Lucky Integer in an Array |
Go |
Easy |
| 1395 |
Count Number of Teams |
Go |
Medium |
| 1396 |
Design Underground System |
Go |
Medium |
| 1397 |
Find All Good Strings |
Go |
Hard |
| 1398 |
Customers Who Bought Products A and B but Not C 🔒 |
MySQL |
Medium |
| 1399 |
Count Largest Group |
Go |
Easy |
| 1400 |
Construct K Palindrome Strings |
Go |
Medium |
| 1401 |
Circle and Rectangle Overlapping |
Go |
Medium |
| 1402 |
Reducing Dishes |
Go |
Hard |
| 1403 |
Minimum Subsequence in Non-Increasing Order |
Go |
Easy |
| 1404 |
Number of Steps to Reduce a Number in Binary Representation to One |
Go |
Medium |
| 1405 |
Longest Happy String |
Go |
Medium |
| 1406 |
Stone Game III |
Go |
Hard |
| 1407 |
Top Travellers 🔒 |
MySQL |
Easy |
| 1408 |
String Matching in an Array |
Go |
Easy |
| 1409 |
Queries on a Permutation With Key |
Go |
Medium |
| 1410 |
HTML Entity Parser |
Go |
Medium |
| 1411 |
Number of Ways to Paint N × 3 Grid |
Go |
Hard |
| 1412 |
Find the Quiet Students in All Exams 🔒 |
MySQL |
Hard |
| 1413 |
Minimum Value to Get Positive Step by Step Sum |
Go |
Easy |
| 1414 |
Find the Minimum Number of Fibonacci Numbers Whose Sum Is K |
Go |
Medium |
| 1415 |
The k-th Lexicographical String of All Happy Strings of Length n |
Go |
Medium |
| 1416 |
Restore The Array |
Go |
Hard |
| 1417 |
Reformat The String |
Go |
Easy |
| 1418 |
Display Table of Food Orders in a Restaurant |
Go |
Medium |
| 1419 |
Minimum Number of Frogs Croaking |
Go |
Medium |
| 1420 |
Build Array Where You Can Find The Maximum Exactly K Comparisons |
Go |
Hard |
| 1421 |
NPV Queries 🔒 |
MySQL |
Easy |
| 1422 |
Maximum Score After Splitting a String |
Go |
Easy |
| 1423 |
Maximum Points You Can Obtain from Cards |
Go |
Medium |
| 1424 |
Diagonal Traverse II |
Go |
Medium |
| 1425 |
Constrained Subsequence Sum |
Go |
Hard |
| 1426 |
Counting Elements 🔒 |
Go |
Easy |
| 1427 |
Perform String Shifts 🔒 |
Go |
Easy |
| 1428 |
Leftmost Column with at Least a One 🔒 |
Go |
Medium |
| 1429 |
First Unique Number 🔒 |
Go |
Medium |
| 1430 |
Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree 🔒 |
Go |
Medium |
| 1431 |
Kids With the Greatest Number of Candies |
Go |
Easy |
| 1432 |
Max Difference You Can Get From Changing an Integer |
Go |
Medium |
| 1433 |
Check If a String Can Break Another String |
Go |
Medium |
| 1434 |
Number of Ways to Wear Different Hats to Each Other |
Go |
Hard |
| 1435 |
Create a Session Bar Chart 🔒 |
MySQL |
Easy |
| 1436 |
Destination City |
Go |
Easy |
| 1437 |
Check If All 1's Are at Least Length K Places Away |
Go |
Easy |
| 1438 |
Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit |
Go |
Medium |
| 1439 |
Find the Kth Smallest Sum of a Matrix With Sorted Rows |
Go |
Hard |
| 1440 |
Evaluate Boolean Expression 🔒 |
MySQL |
Medium |
| 1441 |
Build an Array With Stack Operations |
Go |
Easy |
| 1442 |
Count Triplets That Can Form Two Arrays of Equal XOR |
Go |
Medium |
| 1443 |
Minimum Time to Collect All Apples in a Tree |
Go |
Medium |
| 1444 |
Number of Ways of Cutting a Pizza |
Go |
Hard |
| 1445 |
Apples & Oranges 🔒 |
MySQL |
Medium |
| 1446 |
Consecutive Characters |
Go |
Easy |
| 1447 |
Simplified Fractions |
Go |
Medium |
| 1448 |
Count Good Nodes in Binary Tree |
Go |
Medium |
| 1449 |
Form Largest Integer With Digits That Add up to Target |
Go |
Hard |
| 1450 |
Number of Students Doing Homework at a Given Time |
Go |
Easy |
| 1451 |
Rearrange Words in a Sentence |
Go |
Medium |
| 1452 |
People Whose List of Favorite Companies Is Not a Subset of Another List |
Go |
Medium |
| 1453 |
Maximum Number of Darts Inside of a Circular Dartboard |
Go |
Hard |
| 1454 |
Active Users 🔒 |
MySQL |
Medium |
| 1455 |
Check If a Word Occurs As a Prefix of Any Word in a Sentence |
Go |
Easy |
| 1456 |
Maximum Number of Vowels in a Substring of Given Length |
Go |
Medium |
| 1457 |
Pseudo-Palindromic Paths in a Binary Tree |
Go |
Medium |
| 1458 |
Max Dot Product of Two Subsequences |
Go |
Hard |
| 1459 |
Rectangles Area 🔒 |
MySQL |
Medium |
| 1460 |
Make Two Arrays Equal by Reversing Sub-arrays |
Go |
Easy |
| 1461 |
Check If a String Contains All Binary Codes of Size K |
Go |
Medium |
| 1462 |
Course Schedule IV |
Go |
Medium |
| 1463 |
Cherry Pickup II |
Go |
Hard |
| 1464 |
Maximum Product of Two Elements in an Array |
Go |
Easy |
| 1465 |
Maximum Area of a Piece of Cake After Horizontal and Vertical Cuts |
Go |
Medium |
| 1466 |
Reorder Routes to Make All Paths Lead to the City Zero |
Go |
Medium |
| 1467 |
Probability of a Two Boxes Having The Same Number of Distinct Balls |
Go |
Hard |
| 1468 |
Calculate Salaries 🔒 |
MySQL |
Medium |
| 1469 |
Find All The Lonely Nodes 🔒 |
Go |
Easy |
| 1470 |
Shuffle the Array |
Go |
Easy |
| 1471 |
The k Strongest Values in an Array |
Go |
Medium |
| 1472 |
Design Browser History |
Go |
Medium |
| 1473 |
Paint House III |
Go |
Hard |
| 1474 |
Delete N Nodes After M Nodes of a Linked List 🔒 |
Go |
Easy |
| 1475 |
Final Prices With a Special Discount in a Shop |
Go |
Easy |
| 1476 |
Subrectangle Queries |
Go |
Medium |
| 1477 |
Find Two Non-overlapping Sub-arrays Each With Target Sum |
Go |
Medium |
| 1478 |
Allocate Mailboxes |
Go |
Hard |
| 1479 |
Sales by Day of the Week 🔒 |
MySQL |
Hard |
| 1480 |
Running Sum of 1d Array |
Go |
Easy |
| 1481 |
Least Number of Unique Integers after K Removals |
Go |
Medium |
| 1482 |
Minimum Number of Days to Make m Bouquets |
Go |
Medium |
| 1483 |
Kth Ancestor of a Tree Node |
Go |
Hard |
| 1484 |
Group Sold Products By The Date 🔒 |
MySQL |
Easy |
| 1485 |
Clone Binary Tree With Random Pointer 🔒 |
Go |
Medium |
| 1486 |
XOR Operation in an Array |
Go |
Easy |
| 1487 |
Making File Names Unique |
Go |
Medium |
| 1488 |
Avoid Flood in The City |
Go |
Medium |
| 1489 |
Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree |
Go |
Hard |
| 1490 |
Clone N-ary Tree 🔒 |
Go |
Medium |
| 1491 |
Average Salary Excluding the Minimum and Maximum Salary |
Go |
Easy |
| 1492 |
The kth Factor of n |
Go |
Medium |
| 1493 |
Longest Subarray of 1's After Deleting One Element |
Go |
Medium |
| 1494 |
Parallel Courses II |
Go |
Hard |
| 1495 |
Friendly Movies Streamed Last Month 🔒 |
MySQL |
Easy |
| 1496 |
Path Crossing |
Go |
Easy |
| 1497 |
Check If Array Pairs Are Divisible by k |
Go |
Medium |
| 1498 |
Number of Subsequences That Satisfy the Given Sum Condition |
Go |
Medium |
| 1499 |
Max Value of Equation |
Go |
Hard |
| 1500 |
Design a File Sharing System 🔒 |
Go |
Medium |
