| 1458 |
Max Dot Product of Two Subsequences |
Go |
Hard |
| 1457 |
Pseudo-Palindromic Paths in a Binary Tree |
Go |
Medium |
| 1456 |
Maximum Number of Vowels in a Substring of Given Length |
Go |
Medium |
| 1455 |
Check If a Word Occurs As a Prefix of Any Word in a Sentence |
Go |
Easy |
| 1454 |
Active Users 🔒 |
MySQL |
Medium |
| 1453 |
Maximum Number of Darts Inside of a Circular Dartboard |
Go |
Hard |
| 1452 |
People Whose List of Favorite Companies Is Not a Subset of Another List |
Go |
Medium |
| 1451 |
Rearrange Words in a Sentence |
Go |
Medium |
| 1450 |
Number of Students Doing Homework at a Given Time |
Go |
Easy |
| 1449 |
Form Largest Integer With Digits That Add up to Target |
Go |
Hard |
| 1448 |
Count Good Nodes in Binary Tree |
Go |
Medium |
| 1447 |
Simplified Fractions |
Go |
Medium |
| 1446 |
Consecutive Characters |
Go |
Easy |
| 1445 |
Apples & Oranges 🔒 |
MySQL |
Medium |
| 1444 |
Number of Ways of Cutting a Pizza |
Go |
Hard |
| 1443 |
Minimum Time to Collect All Apples in a Tree |
Go |
Medium |
| 1442 |
Count Triplets That Can Form Two Arrays of Equal XOR |
Go |
Medium |
| 1441 |
Build an Array With Stack Operations |
Go |
Easy |
| 1440 |
Evaluate Boolean Expression 🔒 |
MySQL |
Medium |
| 1439 |
Find the Kth Smallest Sum of a Matrix With Sorted Rows |
Go |
Hard |
| 1438 |
Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit |
Go |
Medium |
| 1437 |
Check If All 1's Are at Least Length K Places Away |
Go |
Medium |
| 1436 |
Destination City |
Go |
Easy |
| 1435 |
Create a Session Bar Chart 🔒 |
MySQL |
Easy |
| 1434 |
Number of Ways to Wear Different Hats to Each Other |
Go |
Hard |
| 1433 |
Check If a String Can Break Another String |
Go |
Medium |
| 1432 |
Max Difference You Can Get From Changing an Integer |
Go |
Medium |
| 1431 |
Kids With the Greatest Number of Candies |
Go |
Easy |
| 1430 |
Check If a String Is a Valid Sequence from Root to Leaves Path in a Binary Tree 🔒 |
Go |
Medium |
| 1429 |
First Unique Number 🔒 |
Go |
Medium |
| 1428 |
Leftmost Column with at Least a One 🔒 |
Go |
Medium |
| 1427 |
Perform String Shifts 🔒 |
Go |
Easy |
| 1426 |
Counting Elements 🔒 |
Go |
Easy |
| 1425 |
Constrained Subsequence Sum |
Go |
Hard |
| 1424 |
Diagonal Traverse II |
Go |
Medium |
| 1423 |
Maximum Points You Can Obtain from Cards |
Go |
Medium |
| 1422 |
Maximum Score After Splitting a String |
Go |
Easy |
| 1421 |
NPV Queries 🔒 |
MySQL |
Medium |
| 1420 |
Build Array Where You Can Find The Maximum Exactly K Comparisons |
Go |
Hard |
| 1419 |
Minimum Number of Frogs Croaking |
Go |
Medium |
| 1418 |
Display Table of Food Orders in a Restaurant |
Go |
Medium |
| 1417 |
Reformat The String |
Go |
Easy |
| 1416 |
Restore The Array |
Go |
Hard |
| 1415 |
The k-th Lexicographical String of All Happy Strings of Length n |
Go |
Medium |
| 1414 |
Find the Minimum Number of Fibonacci Numbers Whose Sum Is K |
Go |
Medium |
| 1413 |
Minimum Value to Get Positive Step by Step Sum |
Go |
Easy |
| 1412 |
Find the Quiet Students in All Exams 🔒 |
MySQL |
Hard |
| 1411 |
Number of Ways to Paint N × 3 Grid |
Go |
Hard |
| 1410 |
HTML Entity Parser |
Go |
Medium |
| 1409 |
Queries on a Permutation With Key |
Go |
Medium |
| 1408 |
String Matching in an Array |
Go |
Easy |
| 1407 |
Top Travellers 🔒 |
MySQL |
Easy |
| 1406 |
Stone Game III |
Go |
Hard |
| 1405 |
Longest Happy String |
Go |
Medium |
| 1404 |
Number of Steps to Reduce a Number in Binary Representation to One |
Go |
Medium |
| 1403 |
Minimum Subsequence in Non-Increasing Order |
Go |
Easy |
| 1402 |
Reducing Dishes |
Go |
Hard |
| 1401 |
Circle and Rectangle Overlapping |
Go |
Medium |
| 1400 |
Construct K Palindrome Strings |
Go |
Medium |
| 1399 |
Count Largest Group |
Go |
Easy |
| 1398 |
Customers Who Bought Products A and B but Not C 🔒 |
MySQL |
Medium |
| 1397 |
Find All Good Strings |
Go |
Hard |
| 1396 |
Design Underground System |
Go |
Medium |
| 1395 |
Count Number of Teams |
Go |
Medium |
| 1394 |
Find Lucky Integer in an Array |
Go |
Easy |
| 1393 |
Capital Gain/Loss 🔒 |
MySQL |
Medium |
| 1392 |
Longest Happy Prefix |
Go |
Hard |
| 1391 |
Check if There is a Valid Path in a Grid |
Go |
Medium |
| 1390 |
Four Divisors |
Go |
Medium |
| 1389 |
Create Target Array in the Given Order |
Go |
Easy |
| 1388 |
Pizza With 3n Slices |
Go |
Hard |
| 1387 |
Sort Integers by The Power Value |
Go |
Medium |
| 1386 |
Cinema Seat Allocation |
Go |
Medium |
| 1385 |
Find the Distance Value Between Two Arrays |
Go |
Easy |
| 1384 |
Total Sales Amount by Year 🔒 |
MySQL |
Hard |
| 1383 |
Maximum Performance of a Team |
Go |
Hard |
| 1382 |
Balance a Binary Search Tree |
Go |
Medium |
| 1381 |
Design a Stack With Increment Operation |
Go |
Medium |
| 1380 |
Lucky Numbers in a Matrix |
Go |
Easy |
| 1379 |
Find a Corresponding Node of a Binary Tree in a Clone of That Tree |
Go |
Medium |
| 1378 |
Replace Employee ID With The Unique Identifier 🔒 |
MySQL |
Easy |
| 1377 |
Frog Position After T Seconds |
Go |
Hard |
| 1376 |
Time Needed to Inform All Employees |
Go |
Medium |
| 1375 |
Bulb Switcher III |
Go |
Medium |
| 1374 |
Generate a String With Characters That Have Odd Counts |
Go |
Easy |
| 1373 |
Maximum Sum BST in Binary Tree |
Go |
Hard |
| 1372 |
Longest ZigZag Path in a Binary Tree |
Go |
Medium |
| 1371 |
Find the Longest Substring Containing Vowels in Even Counts |
Go |
Medium |
| 1370 |
Increasing Decreasing String |
Go |
Easy |
| 1369 |
Get the Second Most Recent Activity 🔒 |
MySQL |
Hard |
| 1368 |
Minimum Cost to Make at Least One Valid Path in a Grid |
Go |
Hard |
| 1367 |
Linked List in Binary Tree |
Go |
Medium |
| 1366 |
Rank Teams by Votes |
Go |
Medium |
| 1365 |
How Many Numbers Are Smaller Than the Current Number |
Go |
Easy |
| 1364 |
Number of Trusted Contacts of a Customer 🔒 |
MySQL |
Medium |
| 1363 |
Largest Multiple of Three |
Go |
Hard |
| 1362 |
Closest Divisors |
Go |
Medium |
| 1361 |
Validate Binary Tree Nodes |
Go |
Medium |
| 1360 |
Number of Days Between Two Dates |
Go |
Easy |
| 1359 |
Count All Valid Pickup and Delivery Options |
Go |
Hard |
| 1358 |
Number of Substrings Containing All Three Characters |
Go |
Medium |
| 1357 |
Apply Discount Every n Orders |
Go |
Medium |
| 1356 |
Sort Integers by The Number of 1 Bits |
Go |
Easy |
| 1355 |
Activity Participants 🔒 |
MySQL |
Medium |
| 1354 |
Construct Target Array With Multiple Sums |
Go |
Hard |
| 1353 |
Maximum Number of Events That Can Be Attended |
Go |
Medium |
| 1352 |
Product of the Last K Numbers |
Go |
Medium |
| 1351 |
Count Negative Numbers in a Sorted Matrix |
Go |
Easy |
| 1350 |
Students With Invalid Departments 🔒 |
MySQL |
Easy |
| 1349 |
Maximum Students Taking Exam |
Go |
Hard |
| 1348 |
Tweet Counts Per Frequency |
Go |
Medium |
| 1347 |
Minimum Number of Steps to Make Two Strings Anagram |
Go |
Medium |
| 1346 |
Check If N and Its Double Exist |
Go |
Easy |
| 1345 |
Jump Game IV |
Go |
Hard |
| 1344 |
Angle Between Hands of a Clock |
Go |
Medium |
| 1343 |
Number of Sub-arrays of Size K and Average Greater than or Equal to Threshold |
Go |
Medium |
| 1342 |
Number of Steps to Reduce a Number to Zero |
Go |
Easy |
| 1341 |
Movie Rating 🔒 |
MySQL |
Medium |
| 1340 |
Jump Game V |
Go |
Hard |
| 1339 |
Maximum Product of Splitted Binary Tree |
Go |
Medium |
| 1338 |
Reduce Array Size to The Half |
Go |
Medium |
| 1337 |
The K Weakest Rows in a Matrix |
Go |
Easy |
| 1336 |
Number of Transactions per Visit 🔒 |
MySQL |
Hard |
| 1335 |
Minimum Difficulty of a Job Schedule |
Go |
Hard |
| 1334 |
Find the City With the Smallest Number of Neighbors at a Threshold Distance |
Go |
Medium |
| 1333 |
Filter Restaurants by Vegan-Friendly, Price and Distance |
Go |
Medium |
| 1332 |
Remove Palindromic Subsequences |
Go |
Easy |
| 1331 |
Rank Transform of an Array |
Go |
Easy |
| 1330 |
Reverse Subarray To Maximize Array Value |
Go |
Hard |
| 1329 |
Sort the Matrix Diagonally |
Go |
Medium |
| 1328 |
Break a Palindrome |
Go |
Medium |
| 1327 |
List the Products Ordered in a Period 🔒 |
MySQL |
Easy |
| 1326 |
Minimum Number of Taps to Open to Water a Garden |
Go |
Hard |
| 1325 |
Delete Leaves With a Given Value |
Go |
Medium |
| 1324 |
Print Words Vertically |
Go |
Medium |
| 1323 |
Maximum 69 Number |
Go |
Easy |
| 1322 |
Ads Performance 🔒 |
MySQL |
Easy |
| 1321 |
Restaurant Growth 🔒 |
MySQL |
Medium |
| 1320 |
Minimum Distance to Type a Word Using Two Fingers |
Go |
Hard |
| 1319 |
Number of Operations to Make Network Connected |
Go |
Medium |
| 1318 |
Minimum Flips to Make a OR b Equal to c |
Go |
Medium |
| 1317 |
Convert Integer to the Sum of Two No-Zero Integers |
Go |
Easy |
| 1316 |
Distinct Echo Substrings |
Go |
Hard |
| 1315 |
Sum of Nodes with Even-Valued Grandparent |
Go |
Medium |
| 1314 |
Matrix Block Sum |
Go |
Medium |
| 1313 |
Decompress Run-Length Encoded List |
Go |
Easy |
| 1312 |
Minimum Insertion Steps to Make a String Palindrome |
Go |
Hard |
| 1311 |
Get Watched Videos by Your Friends |
Go |
Medium |
| 1310 |
XOR Queries of a Subarray |
Go |
Medium |
| 1309 |
Decrypt String from Alphabet to Integer Mapping |
Go |
Easy |
| 1308 |
Running Total for Different Genders 🔒 |
MySQL |
Medium |
| 1307 |
Verbal Arithmetic Puzzle |
Go |
Hard |
| 1306 |
Jump Game III |
Go |
Medium |
| 1305 |
All Elements in Two Binary Search Trees |
Go |
Medium |
| 1304 |
Find N Unique Integers Sum up to Zero |
Go |
Easy |
| 1303 |
Find the Team Size 🔒 |
MySQL |
Easy |
| 1302 |
Deepest Leaves Sum |
Go |
Medium |
| 1301 |
Number of Paths with Max Score |
Go |
Hard |
| 1300 |
Sum of Mutated Array Closest to Target |
Go |
Medium |
| 1299 |
Replace Elements with Greatest Element on Right Side |
Go |
Easy |
| 1298 |
Maximum Candies You Can Get from Boxes |
Go |
Hard |
| 1297 |
Maximum Number of Occurrences of a Substring |
Go |
Medium |
| 1296 |
Divide Array in Sets of K Consecutive Numbers |
Go |
Medium |
| 1295 |
Find Numbers with Even Number of Digits |
Go |
Easy |
| 1294 |
Weather Type in Each Country 🔒 |
MySQL |
Easy |
| 1293 |
Shortest Path in a Grid with Obstacles Elimination |
Go |
Hard |
| 1292 |
Maximum Side Length of a Square with Sum Less than or Equal to Threshold |
Go |
Medium |
| 1291 |
Sequential Digits |
Go |
Medium |
| 1290 |
Convert Binary Number in a Linked List to Integer |
Go |
Easy |
| 1289 |
Minimum Falling Path Sum II |
Go |
Hard |
| 1288 |
Remove Covered Intervals |
Go |
Medium |
| 1287 |
Element Appearing More Than 25% In Sorted Array |
Go |
Easy |
| 1286 |
Iterator for Combination |
Go |
Medium |
| 1285 |
Find the Start and End Number of Continuous Ranges 🔒 |
MySQL |
Medium |
| 1284 |
Minimum Number of Flips to Convert Binary Matrix to Zero Matrix |
Go |
Hard |
| 1283 |
Find the Smallest Divisor Given a Threshold |
Go |
Medium |
| 1282 |
Group the People Given the Group Size They Belong To |
Go |
Medium |
| 1281 |
Subtract the Product and Sum of Digits of an Integer |
Go |
Easy |
| 1280 |
Students and Examinations 🔒 |
MySQL |
Easy |
| 1279 |
Traffic Light Controlled Intersection 🔒 |
Go |
Easy |
| 1278 |
Palindrome Partitioning III |
Go |
Hard |
| 1277 |
Count Square Submatrices with All Ones |
Go |
Medium |
| 1276 |
Number of Burgers with No Waste of Ingredients |
Go |
Medium |
| 1275 |
Find Winner on a Tic Tac Toe Game |
Go |
Easy |
| 1274 |
Number of Ships in a Rectangle 🔒 |
Go |
Hard |
| 1273 |
Delete Tree Nodes 🔒 |
Go |
Medium |
| 1272 |
Remove Interval 🔒 |
Go |
Medium |
| 1271 |
Hexspeak 🔒 |
Go |
Easy |
| 1270 |
All People Report to the Given Manager 🔒 |
MySQL |
Medium |
| 1269 |
Number of Ways to Stay in the Same Place After Some Steps |
Go |
Hard |
| 1268 |
Search Suggestions System |
Go |
Medium |
| 1267 |
Count Servers that Communicate |
Go |
Medium |
| 1266 |
Minimum Time Visiting All Points |
Go |
Easy |
| 1265 |
Print Immutable Linked List in Reverse 🔒 |
Go |
Medium |
| 1264 |
Page Recommendations 🔒 |
MySQL |
Medium |
| 1263 |
Minimum Moves to Move a Box to Their Target Location |
Go |
Hard |
| 1262 |
Greatest Sum Divisible by Three |
Go |
Medium |
| 1261 |
Find Elements in a Contaminated Binary Tree |
Go |
Medium |
| 1260 |
Shift 2D Grid |
Go |
Easy |
| 1259 |
Handshakes That Don't Cross 🔒 |
Go |
Hard |
| 1258 |
Synonymous Sentences 🔒 |
Go |
Medium |
| 1257 |
Smallest Common Region 🔒 |
Go |
Medium |
| 1256 |
Encode Number 🔒 |
Go |
Medium |
| 1255 |
Maximum Score Words Formed by Letters |
Go |
Hard |
| 1254 |
Number of Closed Islands |
Go |
Medium |
| 1253 |
Reconstruct a 2-Row Binary Matrix |
Go |
Medium |
| 1252 |
Cells with Odd Values in a Matrix |
Go |
Easy |
| 1251 |
Average Selling Price 🔒 |
MySQL |
Easy |
| 1250 |
Check If It Is a Good Array |
Go |
Hard |
| 1249 |
Minimum Remove to Make Valid Parentheses |
Go |
Medium |
| 1248 |
Count Number of Nice Subarrays |
Go |
Medium |
| 1247 |
Minimum Swaps to Make Strings Equal |
Go |
Medium |
| 1246 |
Palindrome Removal 🔒 |
Go |
Hard |
| 1245 |
Tree Diameter 🔒 |
Go |
Medium |
| 1244 |
Design A Leaderboard 🔒 |
Go |
Medium |
| 1243 |
Array Transformation 🔒 |
Go |
Easy |
| 1242 |
Web Crawler Multithreaded 🔒 |
Go |
Medium |
| 1241 |
Number of Comments per Post 🔒 |
MySQL |
Easy |
| 1240 |
Tiling a Rectangle with the Fewest Squares |
Go |
Hard |
| 1239 |
Maximum Length of a Concatenated String with Unique Characters |
Go |
Medium |
| 1238 |
Circular Permutation in Binary Representation |
Go |
Medium |
| 1237 |
Find Positive Integer Solution for a Given Equation |
Go |
Easy |
| 1236 |
Web Crawler 🔒 |
Go |
Medium |
| 1235 |
Maximum Profit in Job Scheduling |
Go |
Hard |
| 1234 |
Replace the Substring for Balanced String |
Go |
Medium |
| 1233 |
Remove Sub-Folders from the Filesystem |
Go |
Medium |
| 1232 |
Check If It Is a Straight Line |
Go |
Easy |
| 1231 |
Divide Chocolate 🔒 |
Go |
Hard |
| 1230 |
Toss Strange Coins 🔒 |
Go |
Medium |
| 1229 |
Meeting Scheduler 🔒 |
Go |
Medium |
| 1228 |
Missing Number In Arithmetic Progression 🔒 |
Go |
Easy |
| 1227 |
Airplane Seat Assignment Probability |
Go |
Medium |
| 1226 |
The Dining Philosophers |
Go |
Medium |
| 1225 |
Report Contiguous Dates 🔒 |
MySQL |
Hard |
| 1224 |
Maximum Equal Frequency |
Go |
Hard |
| 1223 |
Dice Roll Simulation |
Go |
Medium |
| 1222 |
Queens That Can Attack the King |
Go |
Medium |
| 1221 |
Split a String in Balanced Strings |
Go |
Easy |
| 1220 |
Count Vowels Permutation |
Go |
Hard |
| 1219 |
Path with Maximum Gold |
Go |
Medium |
| 1218 |
Longest Arithmetic Subsequence of Given Difference |
Go |
Medium |
| 1217 |
Play with Chips |
Go |
Easy |
| 1216 |
Valid Palindrome III 🔒 |
Go |
Hard |
| 1215 |
Stepping Numbers 🔒 |
Go |
Medium |
| 1214 |
Two Sum BSTs 🔒 |
Go |
Medium |
| 1213 |
Intersection of Three Sorted Arrays 🔒 |
Go |
Easy |
| 1212 |
Team Scores in Football Tournament 🔒 |
MySQL |
Medium |
| 1211 |
Queries Quality and Percentage 🔒 |
MySQL |
Easy |
| 1210 |
Minimum Moves to Reach Target with Rotations |
Go |
Hard |
| 1209 |
Remove All Adjacent Duplicates in String II |
Go |
Medium |
| 1208 |
Get Equal Substrings Within Budget |
Go |
Medium |
| 1207 |
Unique Number of Occurrences |
Go |
Easy |
| 1206 |
Design Skiplist |
Go |
Hard |
| 1205 |
Monthly Transactions II 🔒 |
MySQL |
Medium |
| 1204 |
Last Person to Fit in the Elevator 🔒 |
MySQL |
Medium |
| 1203 |
Sort Items by Groups Respecting Dependencies |
Go |
Hard |
| 1202 |
Smallest String With Swaps |
Go |
Medium |
| 1201 |
Ugly Number III |
Go |
Medium |
| 1200 |
Minimum Absolute Difference |
Go |
Easy |
| 1199 |
Minimum Time to Build Blocks 🔒 |
Go |
Hard |
| 1198 |
Find Smallest Common Element in All Rows 🔒 |
Go |
Medium |
| 1197 |
Minimum Knight Moves 🔒 |
Go |
Medium |
| 1196 |
How Many Apples Can You Put into the Basket 🔒 |
Go |
Easy |
| 1195 |
Fizz Buzz Multithreaded |
Go |
Medium |
| 1194 |
Tournament Winners 🔒 |
MySQL |
Hard |
| 1193 |
Monthly Transactions I 🔒 |
MySQL |
Medium |
| 1192 |
Critical Connections in a Network |
Go |
Hard |
| 1191 |
K-Concatenation Maximum Sum |
Go |
Medium |
| 1190 |
Reverse Substrings Between Each Pair of Parentheses |
Go |
Medium |
| 1189 |
Maximum Number of Balloons |
Go |
Easy |
| 1188 |
Design Bounded Blocking Queue 🔒 |
Go |
Medium |
| 1187 |
Make Array Strictly Increasing |
Go |
Hard |
| 1186 |
Maximum Subarray Sum with One Deletion |
Go |
Medium |
| 1185 |
Day of the Week |
Go |
Easy |
| 1184 |
Distance Between Bus Stops |
Go |
Easy |
| 1183 |
Maximum Number of Ones 🔒 |
Go |
Hard |
| 1182 |
Shortest Distance to Target Color 🔒 |
Go |
Medium |
| 1181 |
Before and After Puzzle 🔒 |
Go |
Medium |
| 1180 |
Count Substrings with Only One Distinct Letter 🔒 |
Go |
Easy |
| 1179 |
Reformat Department Table |
MySQL |
Easy |
| 1178 |
Number of Valid Words for Each Puzzle |
Go |
Hard |
| 1177 |
Can Make Palindrome from Substring |
Go |
Medium |
| 1176 |
Diet Plan Performance 🔒 |
Go |
Easy |
| 1175 |
Prime Arrangements |
Go |
Easy |
| 1174 |
Immediate Food Delivery II 🔒 |
MySQL |
Medium |
| 1173 |
Immediate Food Delivery I 🔒 |
MySQL |
Easy |
| 1172 |
Dinner Plate Stacks |
Go |
Hard |
| 1171 |
Remove Zero Sum Consecutive Nodes from Linked List |
Go |
Medium |
| 1170 |
Compare Strings by Frequency of the Smallest Character |
Go |
Easy |
| 1169 |
Invalid Transactions |
Go |
Medium |
| 1168 |
Optimize Water Distribution in a Village 🔒 |
Go |
Hard |
| 1167 |
Minimum Cost to Connect Sticks 🔒 |
Go |
Medium |
| 1166 |
Design File System 🔒 |
Go |
Medium |
| 1165 |
Single-Row Keyboard 🔒 |
Go |
Easy |
| 1164 |
Product Price at a Given Date 🔒 |
MySQL |
Medium |
| 1163 |
Last Substring in Lexicographical Order |
Go |
Hard |
| 1162 |
As Far from Land as Possible |
Go |
Medium |
| 1161 |
Maximum Level Sum of a Binary Tree |
Go |
Medium |
| 1160 |
Find Words That Can Be Formed by Characters |
Go |
Easy |
| 1159 |
Market Analysis II 🔒 |
MySQL |
Hard |
| 1158 |
Market Analysis I 🔒 |
MySQL |
Medium |
| 1157 |
Online Majority Element In Subarray |
Go |
Hard |
| 1156 |
Swap For Longest Repeated Character Substring |
Go |
Medium |
| 1155 |
Number of Dice Rolls With Target Sum |
Go |
Medium |
| 1154 |
Day of the Year |
Go |
Easy |
| 1153 |
String Transforms Into Another String 🔒 |
Go |
Hard |
| 1152 |
Analyze User Website Visit Pattern 🔒 |
Go |
Medium |
| 1151 |
Minimum Swaps to Group All 1's Together 🔒 |
Go |
Medium |
| 1150 |
Check If a Number Is Majority Element in a Sorted Array 🔒 |
Go |
Easy |
| 1149 |
Article Views II 🔒 |
MySQL |
Medium |
| 1148 |
Article Views I 🔒 |
MySQL |
Easy |
| 1147 |
Longest Chunked Palindrome Decomposition |
Go |
Hard |
| 1146 |
Snapshot Array |
Go |
Medium |
| 1145 |
Binary Tree Coloring Game |
Go |
Medium |
| 1144 |
Decrease Elements To Make Array Zigzag |
Go |
Medium |
| 1143 |
Longest Common Subsequence |
Go |
Medium |
| 1142 |
User Activity for the Past 30 Days II 🔒 |
MySQL |
Easy |
| 1141 |
User Activity for the Past 30 Days I 🔒 |
MySQL |
Easy |
| 1140 |
Stone Game II |
Go |
Medium |
| 1139 |
Largest 1-Bordered Square |
Go |
Medium |
| 1138 |
Alphabet Board Path |
Go |
Medium |
| 1137 |
N-th Tribonacci Number |
Go |
Easy |
| 1136 |
Parallel Courses 🔒 |
Go |
Hard |
| 1135 |
Connecting Cities With Minimum Cost 🔒 |
Go |
Medium |
| 1134 |
Armstrong Number 🔒 |
Go |
Easy |
| 1133 |
Largest Unique Number 🔒 |
Go |
Easy |
| 1132 |
Reported Posts II 🔒 |
MySQL |
Medium |
| 1131 |
Maximum of Absolute Value Expression |
Go |
Medium |
| 1130 |
Minimum Cost Tree From Leaf Values |
Go |
Medium |
| 1129 |
Shortest Path with Alternating Colors |
Go |
Medium |
| 1128 |
Number of Equivalent Domino Pairs |
Go |
Easy |
| 1127 |
User Purchase Platform 🔒 |
MySQL |
Hard |
| 1126 |
Active Businesses 🔒 |
MySQL |
Medium |
| 1125 |
Smallest Sufficient Team |
Go |
Hard |
| 1124 |
Longest Well-Performing Interval |
Go |
Medium |
| 1123 |
Lowest Common Ancestor of Deepest Leaves |
Go |
Medium |
| 1122 |
Relative Sort Array |
Go |
Easy |
| 1121 |
Divide Array Into Increasing Sequences 🔒 |
Go |
Hard |
| 1120 |
Maximum Average Subtree 🔒 |
Go |
Medium |
| 1119 |
Remove Vowels from a String 🔒 |
Go |
Easy |
| 1118 |
Number of Days in a Month 🔒 |
Go |
Easy |
| 1117 |
Building H2O |
Go |
Medium |
| 1116 |
Print Zero Even Odd |
Go |
Medium |
| 1115 |
Print FooBar Alternately |
Go |
Medium |
| 1114 |
Print in Order |
Go |
Easy |
| 1113 |
Reported Posts 🔒 |
MySQL |
Easy |
| 1112 |
Highest Grade For Each Student 🔒 |
MySQL |
Medium |
| 1111 |
Maximum Nesting Depth of Two Valid Parentheses Strings |
Go |
Medium |
| 1110 |
Delete Nodes And Return Forest |
Go |
Medium |
| 1109 |
Corporate Flight Bookings |
Go |
Medium |
| 1108 |
Defanging an IP Address |
Go |
Easy |
| 1107 |
New Users Daily Count 🔒 |
MySQL |
Medium |
| 1106 |
Parsing A Boolean Expression |
Go |
Hard |
| 1105 |
Filling Bookcase Shelves |
Go |
Medium |
| 1104 |
Path In Zigzag Labelled Binary Tree |
Go |
Medium |
| 1103 |
Distribute Candies to People |
Go |
Easy |
| 1102 |
Path With Maximum Minimum Value 🔒 |
Go |
Medium |
| 1101 |
The Earliest Moment When Everyone Become Friends 🔒 |
Go |
Medium |
| 1100 |
Find K-Length Substrings With No Repeated Characters 🔒 |
Go |
Medium |
| 1099 |
Two Sum Less Than K 🔒 |
Go |
Easy |
| 1098 |
Unpopular Books 🔒 |
MySQL |
Medium |
| 1097 |
Game Play Analysis V 🔒 |
MySQL |
Hard |
| 1096 |
Brace Expansion II |
Go |
Hard |
| 1095 |
Find in Mountain Array |
Go |
Hard |
| 1094 |
Car Pooling |
Go |
Medium |
| 1093 |
Statistics from a Large Sample |
Go |
Medium |
| 1092 |
Shortest Common Supersequence |
Go |
Hard |
| 1091 |
Shortest Path in Binary Matrix |
Go |
Medium |
| 1090 |
Largest Values From Labels |
Go |
Medium |
| 1089 |
Duplicate Zeros |
Go |
Easy |
| 1088 |
Confusing Number II 🔒 |
Go |
Hard |
| 1087 |
Brace Expansion 🔒 |
Go |
Medium |
| 1086 |
High Five 🔒 |
Go |
Easy |
| 1085 |
Sum of Digits in the Minimum Number 🔒 |
Go |
Easy |
| 1084 |
Sales Analysis III 🔒 |
MySQL |
Easy |
| 1083 |
Sales Analysis II 🔒 |
MySQL |
Easy |
| 1082 |
Sales Analysis I 🔒 |
MySQL |
Easy |
| 1081 |
Smallest Subsequence of Distinct Characters |
Go |
Medium |
| 1080 |
Insufficient Nodes in Root to Leaf Paths |
Go |
Medium |
| 1079 |
Letter Tile Possibilities |
Go |
Medium |
| 1078 |
Occurrences After Bigram |
Go |
Easy |
| 1077 |
Project Employees III 🔒 |
MySQL |
Medium |
| 1076 |
Project Employees II 🔒 |
MySQL |
Easy |
| 1075 |
Project Employees I 🔒 |
MySQL |
Easy |
| 1074 |
Number of Submatrices That Sum to Target |
Go |
Hard |
| 1073 |
Adding Two Negabinary Numbers |
Go |
Medium |
| 1072 |
Flip Columns For Maximum Number of Equal Rows |
Go |
Medium |
| 1071 |
Greatest Common Divisor of Strings |
Go |
Easy |
| 1070 |
Product Sales Analysis III 🔒 |
MySQL |
Medium |
| 1069 |
Product Sales Analysis II 🔒 |
MySQL |
Easy |
| 1068 |
Product Sales Analysis I 🔒 |
MySQL |
Easy |
| 1067 |
Digit Count in Range 🔒 |
Go |
Hard |
| 1066 |
Campus Bikes II 🔒 |
Go |
Medium |
| 1065 |
Index Pairs of a String 🔒 |
Go |
Easy |
| 1064 |
Fixed Point 🔒 |
Go |
Easy |
| 1063 |
Number of Valid Subarrays 🔒 |
Go |
Hard |
| 1062 |
Longest Repeating Substring 🔒 |
Go |
Medium |
| 1061 |
Lexicographically Smallest Equivalent String 🔒 |
Go |
Medium |
| 1060 |
Missing Element in Sorted Array 🔒 |
Go |
Medium |
| 1059 |
All Paths from Source Lead to Destination 🔒 |
Go |
Medium |
| 1058 |
Minimize Rounding Error to Meet Target 🔒 |
Go |
Medium |
| 1057 |
Campus Bikes 🔒 |
Go |
Medium |
| 1056 |
Confusing Number 🔒 |
Go |
Easy |
| 1055 |
Shortest Way to Form String 🔒 |
Go |
Medium |
| 1054 |
Distant Barcodes |
Go |
Medium |
| 1053 |
Previous Permutation With One Swap |
Go |
Medium |
| 1052 |
Grumpy Bookstore Owner |
Go |
Medium |
| 1051 |
Height Checker |
Go |
Easy |
| 1050 |
Actors and Directors Who Cooperated At Least Three Times 🔒 |
MySQL |
Easy |
| 1049 |
Last Stone Weight II |
Go |
Medium |
| 1048 |
Longest String Chain |
Go |
Medium |
| 1047 |
Remove All Adjacent Duplicates In String |
Go |
Easy |
| 1046 |
Last Stone Weight |
Go |
Easy |
| 1045 |
Customers Who Bought All Products 🔒 |
MySQL |
Medium |
| 1044 |
Longest Duplicate Substring |
Go |
Hard |
| 1043 |
Partition Array for Maximum Sum |
Go |
Medium |
| 1042 |
Flower Planting With No Adjacent |
Go |
Easy |
| 1041 |
Robot Bounded In Circle |
Go |
Medium |
| 1040 |
Moving Stones Until Consecutive II |
Go |
Medium |
| 1039 |
Minimum Score Triangulation of Polygon |
Go |
Medium |
| 1038 |
Binary Search Tree to Greater Sum Tree |
Go |
Medium |
| 1037 |
Valid Boomerang |
Go |
Easy |
| 1036 |
Escape a Large Maze |
Go |
Hard |
| 1035 |
Uncrossed Lines |
Go |
Medium |
| 1034 |
Coloring A Border |
Go |
Medium |
| 1033 |
Moving Stones Until Consecutive |
Go |
Easy |
| 1032 |
Stream of Characters |
Go |
Hard |
| 1031 |
Maximum Sum of Two Non-Overlapping Subarrays |
Go |
Medium |
| 1030 |
Matrix Cells in Distance Order |
Go |
Easy |
| 1029 |
Two City Scheduling |
Go |
Easy |
| 1028 |
Recover a Tree From Preorder Traversal |
Go |
Hard |
| 1027 |
Longest Arithmetic Sequence |
Go |
Medium |
| 1026 |
Maximum Difference Between Node and Ancestor |
Go |
Medium |
| 1025 |
Divisor Game |
Go |
Easy |
| 1024 |
Video Stitching |
Go |
Medium |
| 1023 |
Camelcase Matching |
Go |
Medium |
| 1022 |
Sum of Root To Leaf Binary Numbers |
Go |
Easy |
| 1021 |
Remove Outermost Parentheses |
Go |
Easy |
| 1020 |
Number of Enclaves |
Go |
Medium |
| 1019 |
Next Greater Node In Linked List |
Go |
Medium |
| 1018 |
Binary Prefix Divisible By 5 |
Go |
Easy |
| 1017 |
Convert to Base -2 |
Go |
Medium |
| 1016 |
Binary String With Substrings Representing 1 To N |
Go |
Medium |
| 1015 |
Smallest Integer Divisible by K |
Go |
Medium |
| 1014 |
Best Sightseeing Pair |
Go |
Medium |
| 1013 |
Partition Array Into Three Parts With Equal Sum |
Go |
Easy |
| 1012 |
Numbers With Repeated Digits |
Go |
Hard |
| 1011 |
Capacity To Ship Packages Within D Days |
Go |
Medium |
| 1010 |
Pairs of Songs With Total Durations Divisible by 60 |
Go |
Easy |
| 1009 |
Complement of Base 10 Integer |
Go |
Easy |
| 1008 |
Construct Binary Search Tree from Preorder Traversal |
Go |
Medium |
| 1007 |
Minimum Domino Rotations For Equal Row |
Go |
Medium |
| 1006 |
Clumsy Factorial |
Go |
Medium |
| 1005 |
Maximize Sum Of Array After K Negations |
Go |
Easy |
| 1004 |
Max Consecutive Ones III |
Go |
Medium |
| 1003 |
Check If Word Is Valid After Substitutions |
Go |
Medium |
| 1002 |
Find Common Characters |
Go |
Easy |
| 1001 |
Grid Illumination |
Go |
Hard |
| 1000 |
Minimum Cost to Merge Stones |
Go |
Hard |
| 999 |
Available Captures for Rook |
Go |
Easy |
| 998 |
Maximum Binary Tree II |
Go |
Medium |
| 997 |
Find the Town Judge |
Go |
Easy |
| 996 |
Number of Squareful Arrays |
Go |
Hard |
| 995 |
Minimum Number of K Consecutive Bit Flips |
Go |
Hard |
| 994 |
Rotting Oranges |
Go |
Medium |
| 993 |
Cousins in Binary Tree |
Go |
Easy |
| 992 |
Subarrays with K Different Integers |
Go |
Hard |
| 991 |
Broken Calculator |
Go |
Medium |
| 990 |
Satisfiability of Equality Equations |
Go |
Medium |
| 989 |
Add to Array-Form of Integer |
Go |
Easy |
| 988 |
Smallest String Starting From Leaf |
Go |
Medium |
| 987 |
Vertical Order Traversal of a Binary Tree |
Go |
Medium |
| 986 |
Interval List Intersections |
Go |
Medium |
| 985 |
Sum of Even Numbers After Queries |
Go |
Easy |
| 984 |
String Without AAA or BBB |
Go |
Medium |
| 983 |
Minimum Cost For Tickets |
Go |
Medium |
| 982 |
Triples with Bitwise AND Equal To Zero |
Go |
Hard |
| 981 |
Time Based Key-Value Store |
Go |
Medium |
| 980 |
Unique Paths III |
Go |
Hard |
| 979 |
Distribute Coins in Binary Tree |
Go |
Medium |
| 978 |
Longest Turbulent Subarray |
Go |
Medium |
| 977 |
Squares of a Sorted Array |
Go |
Easy |
| 976 |
Largest Perimeter Triangle |
Go |
Easy |
| 975 |
Odd Even Jump |
Go |
Hard |
| 974 |
Subarray Sums Divisible by K |
Go |
Medium |
| 973 |
K Closest Points to Origin |
Go |
Medium |
| 972 |
Equal Rational Numbers |
Go |
Hard |
| 971 |
Flip Binary Tree To Match Preorder Traversal |
Go |
Medium |
| 970 |
Powerful Integers |
Go |
Easy |
| 969 |
Pancake Sorting |
Go |
Medium |
| 968 |
Binary Tree Cameras |
Go |
Hard |
| 967 |
Numbers With Same Consecutive Differences |
Go |
Medium |
| 966 |
Vowel Spellchecker |
Go |
Medium |
| 965 |
Univalued Binary Tree |
Go |
Easy |
| 964 |
Least Operators to Express Number |
Go |
Hard |
| 963 |
Minimum Area Rectangle II |
Go |
Medium |
| 962 |
Maximum Width Ramp |
Go |
Medium |
| 961 |
N-Repeated Element in Size 2N Array |
Go |
Easy |
| 960 |
Delete Columns to Make Sorted III |
Go |
Hard |
| 959 |
Regions Cut By Slashes |
Go |
Medium |
| 958 |
Check Completeness of a Binary Tree |
Go |
Medium |
| 957 |
Prison Cells After N Days |
Go |
Medium |
| 956 |
Tallest Billboard |
Go |
Hard |
| 955 |
Delete Columns to Make Sorted II |
Go |
Medium |
| 954 |
Array of Doubled Pairs |
Go |
Medium |
| 953 |
Verifying an Alien Dictionary |
Go |
Easy |
| 952 |
Largest Component Size by Common Factor |
Go |
Hard |
| 951 |
Flip Equivalent Binary Trees |
Go |
Medium |
| 950 |
Reveal Cards In Increasing Order |
Go |
Medium |
| 949 |
Largest Time for Given Digits |
Go |
Easy |
| 948 |
Bag of Tokens |
Go |
Medium |
| 947 |
Most Stones Removed with Same Row or Column |
Go |
Medium |
| 946 |
Validate Stack Sequences |
Go |
Medium |
| 945 |
Minimum Increment to Make Array Unique |
Go |
Medium |
| 944 |
Delete Columns to Make Sorted |
Go |
Easy |
| 943 |
Find the Shortest Superstring |
Go |
Hard |
| 942 |
DI String Match |
Go |
Easy |
| 941 |
Valid Mountain Array |
Go |
Easy |
| 940 |
Distinct Subsequences II |
Go |
Hard |
| 939 |
Minimum Area Rectangle |
Go |
Medium |
| 938 |
Range Sum of BST |
Go |
Easy |
| 937 |
Reorder Data in Log Files |
Go |
Easy |
| 936 |
Stamping The Sequence |
Go |
Hard |
| 935 |
Knight Dialer |
Go |
Medium |
| 934 |
Shortest Bridge |
Go |
Medium |
| 933 |
Number of Recent Calls |
Go |
Easy |
| 932 |
Beautiful Array |
Go |
Medium |
| 931 |
Minimum Falling Path Sum |
Go |
Medium |
| 930 |
Binary Subarrays With Sum |
Go |
Medium |
| 929 |
Unique Email Addresses |
Go |
Easy |
| 928 |
Minimize Malware Spread II |
Go |
Hard |
| 927 |
Three Equal Parts |
Go |
Hard |
| 926 |
Flip String to Monotone Increasing |
Go |
Medium |
| 925 |
Long Pressed Name |
Go |
Easy |
| 924 |
Minimize Malware Spread |
Go |
Hard |
| 923 |
3Sum With Multiplicity |
Go |
Medium |
| 922 |
Sort Array By Parity II |
Go |
Easy |
| 921 |
Minimum Add to Make Parentheses Valid |
Go |
Medium |
| 920 |
Number of Music Playlists |
Go |
Hard |
| 919 |
Complete Binary Tree Inserter |
Go |
Medium |
| 918 |
Maximum Sum Circular Subarray |
Go |
Medium |
| 917 |
Reverse Only Letters |
Go |
Easy |
| 916 |
Word Subsets |
Go |
Medium |
| 915 |
Partition Array into Disjoint Intervals |
Go |
Medium |
| 914 |
X of a Kind in a Deck of Cards |
Go |
Easy |
| 913 |
Cat and Mouse |
Go |
Hard |
| 912 |
Sort an Array |
Go |
Medium |
| 911 |
Online Election |
Go |
Medium |
| 910 |
Smallest Range II |
Go |
Medium |
| 909 |
Snakes and Ladders |
Go |
Medium |
| 908 |
Smallest Range I |
Go |
Easy |
| 907 |
Sum of Subarray Minimums |
Go |
Medium |
| 906 |
Super Palindromes |
Go |
Hard |
| 905 |
Sort Array By Parity |
Go |
Easy |
| 904 |
Fruit Into Baskets |
Go |
Medium |
| 903 |
Valid Permutations for DI Sequence |
Go |
Hard |
| 902 |
Numbers At Most N Given Digit Set |
Go |
Hard |
| 901 |
Online Stock Span |
Go |
Medium |
README
¶
Documentation
Source Files
Directories
¶