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All Submissions in 2023

activity

Overview

There are totally 377 questions have been solved in 2023, including 230 questions in easy, 88 questions in medium and 59 questions in hard.

Please click on the sections below to see more details for a specific month.

December Submissions

Solved 29 questions in december:

  • 27 questions in easy.
  • 2 questions in medium.
  • 0 questions in hard.
Question Title Difficulty Source
Day 31 #2784. Check if Array is Good Easy src/q_2751_2800/q2784.cc
Day 30
Day 29 #2778. Sum of Squares of Special Elements Easy src/q_2751_2800/q2778.cc
Day 28 #2769. Find the Maximum Achievable Number Easy src/q_2751_2800/q2769.cc
Day 27 #2765. Longest Alternating Subarray Easy src/q_2751_2800/q2765.cc
Day 26 #2760. Longest Even Odd Subarray With Threshold Easy src/q_2751_2800/q2760.cc
Day 25
Day 24 #2748. Number of Beautiful Pairs Easy src/q_2701_2750/q2748.cc
Day 23 #2744. Find Maximum Number of String Pairs Easy src/q_2701_2750/q2744.cc
Day 22 #2739. Total Distance Traveled Easy src/q_2701_2750/q2739.cc
Day 21 #1637. Widest Vertical Area Between Two Points Containing No Points Easy src/q_1601_1650/q1637.cc
Day 20 #2733. Neither Minimum nor Maximum Easy src/q_2701_2750/q2733.cc
Day 19 #2729. Check if The Number is Fascinating Easy src/q_2701_2750/q2729.cc
Day 18 #2717. Semi-Ordered Permutation Easy src/q_2701_2750/q2717.cc
Day 17 #2353. Design a Food Rating System Medium src/q_2351_2400/q2353.cc
Day 16 #2716. Minimize String Length Easy src/q_2701_2750/q2716.cc
Day 15 #2710. Remove Trailing Zeros From a String Easy src/q_2701_2750/q2710.cc
Day 14 #2482. Difference Between Ones and Zeros in Row and Column Medium src/q_2451_2500/q2482.cc
Day 13 #2697. Lexicographically Smallest Palindrome Easy src/q_2651_2700/q2697.cc
Day 12 #2696. Minimum String Length After Removing Substrings Easy src/q_2651_2700/q2696.cc
Day 11 #2682. Find the Losers of the Circular Game Easy src/q_2651_2700/q2682.cc
Day 10 #2670. Find the Distinct Difference Array Easy src/q_2651_2700/q2670.cc
Day 9 #2660. Determine the Winner of a Bowling Game Easy src/q_2651_2700/q2660.cc
Day 8 #2644. Find the Maximum Divisibility Score Easy src/q_2601_2650/q2644.cc
Day 7 #2609. Find the Longest Balanced Substring of a Binary String Easy src/q_2601_2650/q2609.cc
Day 6 #2605. Form Smallest Number From Two Digit Arrays Easy src/q_2601_2650/q2605.cc
Day 5 #2600. K Items With the Maximum Sum Easy src/q_2551_2600/q2600.cc
Day 4 #2591. Distribute Money to Maximum Children Easy src/q_2551_2600/q2591.cc
Day 3 #2586. Count the Number of Vowel Strings in Range Easy src/q_2551_2600/q2586.cc
Day 2 #2566. Maximum Difference by Remapping a Digit Easy src/q_2551_2600/q2566.cc
Day 1 #2562. Find the Array Concatenation Value Easy src/q_2551_2600/q2562.cc

November Submissions

Solved 27 questions in november:

  • 4 questions in easy.
  • 20 questions in medium.
  • 3 questions in hard.
Question Title Difficulty Source
Day 30 #1611. Minimum One Bit Operations to Make Integers Zero Hard src/q_1601_1650/q1611.cc
Day 29
Day 28 #2147. Number of Ways to Divide a Long Corridor Hard src/q_2101_2150/q2147.cc
Day 27 #935. Knight Dialer Medium src/q_901_950/q0935.cc
Day 26 #1727. Largest Submatrix With Rearrangements Medium src/q_1701_1750/q1727.cc
Day 25 #1685. Sum of Absolute Differences in a Sorted Array Medium src/q_1651_1700/q1685.cc
Day 24 #1561. Maximum Number of Coins You Can Get Medium src/q_1551_1600/q1561.cc
Day 23 #2558. Take Gifts From the Richest Pile Easy src/q_2551_2600/q2558.cc
Day 22 #1424. Diagonal Traverse II Medium src/q_1401_1450/q1424.cc
Day 21 #1814. Count Nice Pairs in an Array Medium src/q_1801_1850/q1814.cc
Day 20 #2391. Minimum Amount of Time to Collect Garbage Medium src/q_2351_2400/q2391.cc
Day 19 #2549. Count Distinct Numbers on Board Easy src/q_2501_2550/q2549.cc
Day 18 #1877. Minimize Maximum Pair Sum in Array Medium src/q_1851_1900/q1877.cc
Day 17
Day 16 #1980. Find Unique Binary String Medium src/q_1951_2000/q1980.cc
Day 15 #1930. Unique Length-3 Palindromic Subsequences
#1846. Maximum Element After Decreasing and Rearranging
Medium
Medium
src/q_1901_1950/q1930.cc
src/q_1801_1850/q1846.cc
Day 14
Day 13 #2785. Sort Vowels in a String
#2642. Design Graph With Shortest Path Calculator
Medium
Hard
src/q_2751_2800/q2785.cc
src/q_2601_2650/q2642.cc
Day 12
Day 11
Day 10 #1743. Restore the Array From Adjacent Pairs Medium src/q_1701_1750/q1743.cc
Day 9 #1759. Count Number of Homogenous Substrings Medium src/q_1751_1800/q1759.cc
Day 8 #2849. Determine if a Cell Is Reachable at a Given Time Medium src/q_2801_2850/q2849.cc
Day 7 #1921. Eliminate Maximum Number of Monsters Medium src/q_1901_1950/q1921.cc
Day 6 #2525. Categorize Box According to Criteria Easy src/q_2501_2550/q2525.cc
Day 5 #1535. Find the Winner of an Array Game Medium src/q_1501_1550/q1535.cc
Day 4 #1503. Last Moment Before All Ants Fall Out of a Plank Medium src/q_1501_1550/q1503.cc
Day 3 #1441. Build an Array With Stack Operations Medium src/q_1401_1450/q1441.cc
Day 2 #2265. Count Nodes Equal to Average of Subtree Medium src/q_2251_2300/q2265.cc
Day 1 #2515. Shortest Distance to Target String in a Circular Array Easy src/q_2501_2550/q2515.cc

October Submissions

Solved 27 questions in october:

  • 15 questions in easy.
  • 2 questions in medium.
  • 10 questions in hard.
Question Title Difficulty Source
Day 31 #2433. Find The Original Array of Prefix Xor Medium src/q_2401_2450/q2433.cc
Day 30 #2511. Maximum Enemy Forts That Can Be Captured Easy src/q_2501_2550/q2511.cc
Day 29
Day 28 #2475. Number of Unequal Triplets in Array Easy src/q_2451_2500/q2475.cc
Day 27 #2432. The Employee That Worked on the Longest Task Easy src/q_2401_2450/q2432.cc
Day 26
Day 25 #2383. Minimum Hours of Training to Win a Competition Easy src/q_2351_2400/q2383.cc
Day 24 #2379. Minimum Recolors to Get K Consecutive Black Blocks Easy src/q_2351_2400/q2379.cc
Day 23 #2335. Minimum Amount of Time to Fill Cups Easy src/q_2301_2350/q2335.cc
Day 22 #1793. Maximum Score of a Good Subarray Hard src/q_1751_1800/q1793.cc
Day 21 #1425. Constrained Subsequence Sum Hard src/q_1401_1450/q1425.cc
Day 20 #2303. Calculate Amount Paid in Taxes Easy src/q_2301_2350/q2303.cc
Day 19 #2287. Rearrange Characters to Make Target String Easy src/q_2251_2300/q2287.cc
Day 18 #2050. Parallel Courses III Hard src/q_2001_2050/q2050.cc
Day 17 #2273. Find Resultant Array After Removing Anagrams Easy src/q_2251_2300/q2273.cc
Day 16 #2224. Minimum Number of Operations to Convert Time Easy src/q_2201_2250/q2224.cc
Day 15 #1269. Number of Ways to Stay in the Same Place After Some Steps Hard src/q_1251_1300/q1269.cc
Day 14 #2742. Painting the Walls Hard src/q_2701_2750/q2742.cc
Day 13 #2190. Most Frequent Number Following Key In an Array Easy src/q_2151_2200/q2190.cc
Day 12 #1095. Find in Mountain Array Hard src/q_1051_1100/q1095.cc
Day 11 #2251. Number of Flowers in Full Bloom Hard src/q_2251_2300/q2251.cc
Day 10 #2009. Minimum Number of Operations to Make Array Continuous Hard src/q_2001_2050/q2009.cc
Day 9
Day 8 #1458. Max Dot Product of Two Subsequences Hard src/q_1451_1500/q1458.cc
Day 7 #1420. Build Array Where You Can Find The Maximum Exactly K Comparisons Hard src/q_1401_1450/q1420.cc
Day 6 #2144. Minimum Cost of Buying Candies With Discount Easy src/q_2101_2150/q2144.cc
Day 5
Day 4 #2138. Divide a String Into Groups of Size k Easy src/q_2101_2150/q2138.cc
Day 3 #2119. A Number After a Double Reversal Easy src/q_2101_2150/q2119.cc
Day 2 #2038. Remove Colored Pieces if Both Neighbors are the Same Color Medium src/q_2001_2050/q2038.cc
Day 1 #2103. Rings and Rods Easy src/q_2101_2150/q2103.cc

September Submissions

Solved 31 questions in september:

  • 26 questions in easy.
  • 3 questions in medium.
  • 2 questions in hard.
Question Title Difficulty Source
Day 30 #2099. Find Subsequence of Length K With the Largest Sum Easy src/q_2051_2100/q2099.cc
Day 29 #2089. Find Target Indices After Sorting Array Easy src/q_2051_2100/q2089.cc
Day 28 #2085. Count Common Words With One Occurrence Easy src/q_2051_2100/q2085.cc
Day 27 #880. Decoded String at Index Medium src/q_851_900/q0880.cc
Day 26 #2078. Two Furthest Houses With Different Colors Easy src/q_2051_2100/q2078.cc
Day 25 #2073. Time Needed to Buy Tickets Easy src/q_2051_2100/q2073.cc
Day 24 #2047. Number of Valid Words in a Sentence Easy src/q_2001_2050/q2047.cc
Day 23 #2037. Minimum Number of Moves to Seat Everyone Easy src/q_2001_2050/q2037.cc
Day 22 #2027. Minimum Moves to Convert String Easy src/q_2001_2050/q2027.cc
Day 21 #2016. Maximum Difference Between Increasing Elements Easy src/q_2001_2050/q2016.cc
Day 20 #1995. Count Special Quadruplets Easy src/q_1951_2000/q1995.cc
Day 19 #1984. Minimum Difference Between Highest and Lowest of K Scores Easy src/q_1951_2000/q1984.cc
Day 18 #1974. Minimum Time to Type Word Using Special Typewriter Easy src/q_1951_2000/q1974.cc
Day 17 #1957. Delete Characters to Make Fancy String Easy src/q_1951_2000/q1957.cc
Day 16 #1897. Redistribute Characters to Make All Strings Equal Easy src/q_1851_1900/q1897.cc
Day 15 #1876. Substrings of Size Three with Distinct Characters Easy src/q_1851_1900/q1876.cc
Day 14 #332. Reconstruct Itinerary Hard src/q_301_350/q0332.cc
Day 13 #1848. Minimum Distance to the Target Element Easy src/q_1801_1850/q1848.cc
Day 12 #1763. Longest Nice Substring Easy src/q_1751_1800/q1763.cc
Day 11 #1282. Group the People Given the Group Size They Belong To Medium src/q_1251_1300/q1282.cc
Day 10 #1812. Determine Color of a Chessboard Square Easy src/q_1801_1850/q1812.cc
Day 9 #1800. Maximum Ascending Subarray Sum Easy src/q_1751_1800/q1800.cc
Day 8 #1758. Minimum Changes To Make Alternating Binary String Easy src/q_1751_1800/q1758.cc
Day 7 #1742. Maximum Number of Balls in a Box Easy src/q_1701_1750/q1742.cc
Day 6 #1736. Latest Time by Replacing Hidden Digits
#1326. Minimum Number of Taps to Open to Water a Garden
Easy
Hard
src/q_1701_1750/q1736.cc
src/q_1301_1350/q1326.cc
Day 5 #1700. Number of Students Unable to Eat Lunch Easy src/q_1651_1700/q1700.cc
Day 4 #1640. Check Array Formation Through Concatenation Easy src/q_1601_1650/q1640.cc
Day 3 #1624. Largest Substring Between Two Equal Characters Easy src/q_1601_1650/q1624.cc
Day 2 #2707. Extra Characters in a String Medium src/q_2701_2750/q2707.cc
Day 1 #1619. Mean of Array After Removing Some Elements Easy src/q_1601_1650/q1619.cc

August Submissions

Solved 31 questions in august:

  • 21 questions in easy.
  • 4 questions in medium.
  • 6 questions in hard.
Question Title Difficulty Source
Day 31 #1592. Rearrange Spaces Between Words Easy src/q_1551_1600/q1592.cc
Day 30 #2366. Minimum Replacements to Sort the Array Hard src/q_2351_2400/q2366.cc
Day 29 #2483. Minimum Penalty for a Shop Medium src/q_2451_2500/q2483.cc
Day 28 #1566. Detect Pattern of Length M Repeated K or More Times Easy src/q_1551_1600/q1566.cc
Day 27 #403. Frog Jump Hard src/q_401_450/q0403.cc
Day 26 #646. Maximum Length of Pair Chain Medium src/q_601_650/q0646.cc
Day 25 #1560. Most Visited Sector in a Circular Track Easy src/q_1551_1600/q1560.cc
Day 24 #1528. Shuffle String Easy src/q_1501_1550/q1528.cc
Day 23 #1518. Water Bottles Easy src/q_1501_1550/q1518.cc
Day 22 #168. Excel Sheet Column Title Easy src/q_151_200/q0168.cc
Day 21 #1475. Final Prices With a Special Discount in a Shop Easy src/q_1451_1500/q1475.cc
Day 20 #1203. Sort Items by Groups Respecting Dependencies Hard src/q_1201_1250/q1203.cc
Day 19 #1489. Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree Hard src/q_1451_1500/q1489.cc
Day 18 #1460. Make Two Arrays Equal by Reversing Subarrays Easy src/q_1451_1500/q1460.cc
Day 17 #1450. Number of Students Doing Homework at a Given Time Easy src/q_1401_1450/q1450.cc
Day 16 #239. Sliding Window Maximum Hard src/q_201_250/q0239.cc
Day 15 #1436. Destination City Easy src/q_1401_1450/q1436.cc
Day 14 #1422. Maximum Score After Splitting a String Easy src/q_1401_1450/q1422.cc
Day 13 #2369. Check if There is a Valid Partition For The Array Medium src/q_2351_2400/q2369.cc
Day 12 #1417. Reformat The String Easy src/q_1401_1450/q1417.cc
Day 11 #1403. Minimum Subsequence in Non-Increasing Order Easy src/q_1401_1450/q1403.cc
Day 10 #1394. Find Lucky Integer in an Array Easy src/q_1351_1400/q1394.cc
Day 9 #2616. Minimize the Maximum Difference of Pairs Medium src/q_2601_2650/q2616.cc
Day 8 #1374. Generate a String With Characters That Have Odd Counts Easy src/q_1351_1400/q1374.cc
Day 7 #1370. Increasing Decreasing String Easy src/q_1351_1400/q1370.cc
Day 6 #920. Number of Music Playlists Hard src/q_901_950/q0920.cc
Day 5 #1365. How Many Numbers Are Smaller Than the Current Number Easy src/q_1351_1400/q1365.cc
Day 4 #1317. Convert Integer to the Sum of Two No-Zero Integers Easy src/q_1301_1350/q1317.cc
Day 3 #1313. Decompress Run-Length Encoded List Easy src/q_1301_1350/q1313.cc
Day 2 #1304. Find N Unique Integers Sum up to Zero Easy src/q_1301_1350/q1304.cc
Day 1 #1175. Prime Arrangements Easy src/q_1151_1200/q1175.cc

July Submissions

Solved 30 questions in july:

  • 13 questions in easy.
  • 10 questions in medium.
  • 7 questions in hard.
Question Title Difficulty Source
Day 31 #712. Minimum ASCII Delete Sum for Two Strings Medium src/q_701_750/q0712.cc
Day 30 #664. Strange Printer Hard src/q_651_700/q0664.cc
Day 29 #808. Soup Servings Medium src/q_801_850/q0808.cc
Day 28 #486. Predict the Winner Medium src/q_451_500/q0486.cc
Day 27 #2141. Maximum Running Time of N Computers Hard src/q_2101_2150/q2141.cc
Day 26 #1103. Distribute Candies to People Easy src/q_1101_1150/q1103.cc
Day 25 #1025. Divisor Game Easy src/q_1001_1050/q1025.cc
Day 24 #1013. Partition Array Into Three Parts With Equal Sum Easy src/q_1001_1050/q1013.cc
Day 23 #894. All Possible Full Binary Trees Medium src/q_851_900/q0894.cc
Day 22 #688. Knight Probability in Chessboard Medium src/q_651_700/q0688.cc
Day 21 #1005. Maximize Sum Of Array After K Negations Easy src/q_1001_1050/q1005.cc
Day 20 #961. N-Repeated Element in Size 2N Array Easy src/q_951_1000/q0961.cc
Day 19 #942. DI String Match Easy src/q_901_950/q0942.cc
Day 18 #892. Surface Area of 3D Shapes Easy src/q_851_900/q0892.cc
Day 17 #883. Projection Area of 3D Shapes Easy src/q_851_900/q0883.cc
Day 16 #1125. Smallest Sufficient Team Hard src/q_1101_1150/q1125.cc
Day 15 #1751. Maximum Number of Events That Can Be Attended II Hard src/q_1751_1800/q1751.cc
Day 14 #1218. Longest Arithmetic Subsequence of Given Difference Medium src/q_1201_1250/q1218.cc
Day 13 #674. Longest Continuous Increasing Subsequence Easy src/q_651_700/q0674.cc
Day 12 #594. Longest Harmonious Subsequence Easy src/q_551_600/q0594.cc
Day 11 #863. All Nodes Distance K in Binary Tree Medium src/q_851_900/q0863.cc
Day 10
Day 9 #2272. Substring With Largest Variance Hard src/q_2251_2300/q2272.cc
Day 8 #2551. Put Marbles in Bags Hard src/q_2551_2600/q2551.cc
Day 7 #2024. Maximize the Confusion of an Exam Medium src/q_2001_2050/q2024.cc
Day 6 #628. Maximum Product of Three Numbers Easy src/q_601_650/q0628.cc
Day 5 #1493. Longest Subarray of 1's After Deleting One Element Medium src/q_1451_1500/q1493.cc
Day 4 #575. Distribute Candies Easy src/q_551_600/q0575.cc
Day 3 #521. Longest Uncommon Subsequence I Easy src/q_501_550/q0521.cc
Day 2 #1601. Maximum Number of Achievable Transfer Requests Hard src/q_1601_1650/q1601.cc
Day 1 #2305. Fair Distribution of Cookies Medium src/q_2301_2350/q2305.cc

June Submissions

Solved 30 questions in june:

  • 14 questions in easy.
  • 8 questions in medium.
  • 8 questions in hard.
Question Title Difficulty Source
Day 30 #1970. Last Day Where You Can Still Cross Hard src/q_1951_2000/q1970.cc
Day 29 #864. Shortest Path to Get All Keys Hard src/q_851_900/q0864.cc
Day 28 #1514. Path with Maximum Probability Medium src/q_1501_1550/q1514.cc
Day 27 #373. Find K Pairs with Smallest Sums Medium src/q_351_400/q0373.cc
Day 26 #2462. Total Cost to Hire K Workers Medium src/q_2451_2500/q2462.cc
Day 25 #1575. Count All Possible Routes Hard src/q_1551_1600/q1575.cc
Day 24 #956. Tallest Billboard Hard src/q_951_1000/q0956.cc
Day 23 #1027. Longest Arithmetic Subsequence Medium src/q_1001_1050/q1027.cc
Day 22 #1380. Lucky Numbers in a Matrix Easy src/q_1351_1400/q1380.cc
Day 21 #2448. Minimum Cost to Make Array Equal Hard src/q_2401_2450/q2448.cc
Day 20 #1360. Number of Days Between Two Dates Easy src/q_1351_1400/q1360.cc
Day 19 #551. Student Attendance Record I Easy src/q_551_600/q0551.cc
Day 18 #2328. Number of Increasing Paths in a Grid Hard src/q_2301_2350/q2328.cc
Day 17 #1187. Make Array Strictly Increasing Hard src/q_1151_1200/q1187.cc
Day 16 #1569. Number of Ways to Reorder Array to Get Same BST Hard src/q_1551_1600/q1569.cc
Day 15 #1161. Maximum Level Sum of a Binary Tree Medium src/q_1151_1200/q1161.cc
Day 14 #2706. Buy Two Chocolates Easy src/q_2701_2750/q2706.cc
Day 13 #2352. Equal Row and Column Pairs Medium src/q_2351_2400/q2352.cc
Day 12 #1909. Remove One Element to Make the Array Strictly Increasing Easy src/q_1901_1950/q1909.cc
Day 11 #1935. Maximum Number of Words You Can Type Easy src/q_1901_1950/q1935.cc
Day 10 #1389. Create Target Array in the Given Order Easy src/q_1351_1400/q1389.cc
Day 9 #1331. Rank Transform of an Array Easy src/q_1301_1350/q1331.cc
Day 8 #1030. Matrix Cells in Distance Order Easy src/q_1001_1050/q1030.cc
Day 7 #1318. Minimum Flips to Make a OR b Equal to c Medium src/q_1301_1350/q1318.cc
Day 6 #806. Number of Lines To Write String Easy src/q_801_850/q0806.cc
Day 5 #832. Flipping an Image Easy src/q_801_850/q0832.cc
Day 4 #506. Relative Ranks Easy src/q_501_550/q0506.cc
Day 3 #1021. Remove Outermost Parentheses Easy src/q_1001_1050/q1021.cc
Day 2 #2101. Detonate the Maximum Bombs Medium src/q_2101_2150/q2101.cc
Day 1 #599. Minimum Index Sum of Two Lists Easy src/q_551_600/q0599.cc

May Submissions

Solved 31 questions in may:

  • 19 questions in easy.
  • 8 questions in medium.
  • 4 questions in hard.
Question Title Difficulty Source
Day 31 #2582. Pass the Pillow Easy src/q_2551_2600/q2582.cc
Day 30 #2481. Minimum Cuts to Divide a Circle Easy src/q_2451_2500/q2481.cc
Day 29 #2639. Find the Width of Columns of a Grid Easy src/q_2601_2650/q2639.cc
Day 28 #1547. Minimum Cost to Cut a Stick Hard src/q_1501_1550/q1547.cc
Day 27 #1406. Stone Game III Hard src/q_1401_1450/q1406.cc
Day 26 #1140. Stone Game II Medium src/q_1101_1150/q1140.cc
Day 25 #837. New 21 Game Medium src/q_801_850/q0837.cc
Day 24 #2542. Maximum Subsequence Score Medium src/q_2501_2550/q2542.cc
Day 23 #2678. Number of Senior Citizens Easy src/q_2651_2700/q2678.cc
Day 22 #2578. Split With Minimum Sum Easy src/q_2551_2600/q2578.cc
Day 21 #1108. Defanging an IP Address Easy src/q_1101_1150/q1108.cc
Day 20 #836. Rectangle Overlap Easy src/q_801_850/q0836.cc
Day 19 #2614. Prime In Diagonal Easy src/q_2601_2650/q2614.cc
Day 18 #1945. Sum of Digits of String After Convert Easy src/q_1901_1950/q1945.cc
Day 17 #2130. Maximum Twin Sum of a Linked List Medium src/q_2101_2150/q2130.cc
Day 16 #2108. Find First Palindromic String in the Array Easy src/q_2101_2150/q2108.cc
Day 15 #1893. Check if All the Integers in a Range Are Covered Easy src/q_1851_1900/q1893.cc
Day 14 #1799. Maximize Score After N Operations Hard src/q_1751_1800/q1799.cc
Day 13 #2466. Count Ways To Build Good Strings Medium src/q_2451_2500/q2466.cc
Day 12 #2140. Solving Questions With Brainpower Medium src/q_2101_2150/q2140.cc
Day 11 #2656. Maximum Sum With Exactly K Elements Easy src/q_2651_2700/q2656.cc
Day 10 #2652. Sum Multiples Easy src/q_2651_2700/q2652.cc
Day 9 #2643. Row With Maximum Ones Easy src/q_2601_2650/q2643.cc
Day 8 #2651. Calculate Delayed Arrival Time Easy src/q_2651_2700/q2651.cc
Day 7 #1964. Find the Longest Valid Obstacle Course at Each Position Hard src/q_1951_2000/q1964.cc
Day 6 #2595. Number of Even and Odd Bits Easy src/q_2551_2600/q2595.cc
Day 5 #1456. Maximum Number of Vowels in a Substring of Given Length Medium src/q_1451_1500/q1456.cc
Day 4 #649. Dota2 Senate Medium src/q_601_650/q0649.cc
Day 3 #2500. Delete Greatest Value in Each Row Easy src/q_2451_2500/q2500.cc
Day 2 #2341. Maximum Number of Pairs in Array Easy src/q_2301_2350/q2341.cc
Day 1 #2570. Merge Two 2D Arrays by Summing Values Easy src/q_2551_2600/q2570.cc

April Submissions

Solved 36 questions in april:

  • 20 questions in easy.
  • 7 questions in medium.
  • 9 questions in hard.
Question Title Difficulty Source
Day 30 #1579. Remove Max Number of Edges to Keep Graph Fully Traversable Hard src/q_1551_1600/q1579.cc
Day 29 #1697. Checking Existence of Edge Length Limited Paths Hard src/q_1651_1700/q1697.cc
Day 28 #839. Similar String Groups Hard src/q_801_850/q0839.cc
Day 27 #319. Bulb Switcher Medium src/q_301_350/q0319.cc
Day 26 #2160. Minimum Sum of Four Digit Number After Splitting Digits Easy src/q_2151_2200/q2160.cc
Day 25 #2336. Smallest Number in Infinite Set Medium src/q_2301_2350/q2336.cc
Day 24 #2114. Maximum Number of Words Found in Sentences Easy src/q_2101_2150/q2114.cc
Day 23 #1416. Restore The Array Hard src/q_1401_1450/q1416.cc
Day 22 #1312. Minimum Insertion Steps to Make a String Palindrome Hard src/q_1301_1350/q1312.cc
Day 21 #879. Profitable Schemes Hard src/q_851_900/q0879.cc
Day 20 #2496. Maximum Value of a String in an Array Easy src/q_2451_2500/q2496.cc
Day 19 #1372. Longest ZigZag Path in a Binary Tree Medium src/q_1351_1400/q1372.cc
Day 18 #1913. Maximum Product Difference Between Two Pairs Easy src/q_1901_1950/q1913.cc
Day 17 #1431. Kids With the Greatest Number of Candies Easy src/q_1401_1450/q1431.cc
Day 16 #1639. Number of Ways to Form a Target String Given a Dictionary Hard src/q_1601_1650/q1639.cc
Day 15 #2218. Maximum Value of K Coins From Piles Hard src/q_2201_2250/q2218.cc
Day 14 #2283. Check if Number Has Equal Digit Count and Digit Value Easy src/q_2251_2300/q2283.cc
Day 13 #2062. Count Vowel Substrings of a String Easy src/q_2051_2100/q2062.cc
Day 12 #1880. Check if Word Equals Summation of Two Words
#2124. Check if All A's Appears Before All B's
Easy
Easy
src/q_1851_1900/q1880.cc
src/q_2101_2150/q2124.cc
Day 11 #2390. Removing Stars From a String
#1869. Longer Contiguous Segments of Ones than Zeros
Medium
Easy
src/q_2351_2400/q2390.cc
src/q_1851_1900/q1869.cc
Day 10 #1854. Maximum Population Year Easy src/q_1851_1900/q1854.cc
Day 9 #1857. Largest Color Value in a Directed Graph Hard src/q_1851_1900/q1857.cc
Day 8 #2465. Number of Distinct Averages Easy src/q_2451_2500/q2465.cc
Day 7 #2133. Check if Every Row and Column Contains All Numbers Easy src/q_2101_2150/q2133.cc
Day 6 #2094. Finding 3-Digit Even Numbers Easy src/q_2051_2100/q2094.cc
Day 5 #2439. Minimize Maximum of Array
#1773. Count Items Matching a Rule
#2309. Greatest English Letter in Upper and Lower Case
Medium
Easy
Easy
src/q_2401_2450/q2439.cc
src/q_1751_1800/q1773.cc
src/q_2301_2350/q2309.cc
Day 4 #2405. Optimal Partition of String Medium src/q_2401_2450/q2405.cc
Day 3 #1646. Get Maximum in Generated Array
#1399. Count Largest Group
Easy
Easy
src/q_1601_1650/q1646.cc
src/q_1351_1400/q1399.cc
Day 2 #2300. Successful Pairs of Spells and Potions
#1725. Number Of Rectangles That Can Form The Largest Square
Medium
Easy
src/q_2251_2300/q2300.cc
src/q_1701_1750/q1725.cc
Day 1 #1550. Three Consecutive Odds Easy src/q_1501_1550/q1550.cc

March Submissions

Solved 42 questions in march:

  • 31 questions in easy.
  • 7 questions in medium.
  • 4 questions in hard.
Question Title Difficulty Source
Day 31 #1444. Number of Ways of Cutting a Pizza Hard src/q_1401_1450/q1444.cc
Day 30 #1185. Day of the Week Easy src/q_1151_1200/q1185.cc
Day 29 #1402. Reducing Dishes Hard src/q_1401_1450/q1402.cc
Day 28 #1496. Path Crossing
#1184. Distance Between Bus Stops
Easy
Easy
src/q_1451_1500/q1496.cc
src/q_1151_1200/q1184.cc
Day 27 #1299. Replace Elements with Greatest Element on Right Side Easy src/q_1251_1300/q1299.cc
Day 26 #2360. Longest Cycle in a Graph Hard src/q_2351_2400/q2360.cc
Day 25 #2316. Count Unreachable Pairs of Nodes in an Undirected Graph Medium src/q_2301_2350/q2316.cc
Day 24 #1636. Sort Array by Increasing Frequency Easy src/q_1601_1650/q1636.cc
Day 23 #1598. Crawler Log Folder Easy src/q_1551_1600/q1598.cc
Day 22 #2492. Minimum Score of a Path Between Two Cities
#1694. Reformat Phone Number
Medium
Easy
src/q_2451_2500/q2492.cc
src/q_1651_1700/q1694.cc
Day 21 #2348. Number of Zero-Filled Subarrays
#2129. Capitalize the Title
Medium
Easy
src/q_2301_2350/q2348.cc
src/q_2101_2150/q2129.cc
Day 20 #2068. Check Whether Two Strings are Almost Equivalent Easy src/q_2051_2100/q2068.cc
Day 19 #1796. Second Largest Digit in a String Easy src/q_1751_1800/q1796.cc
Day 18 #1472. Design Browser History Medium src/q_1451_1500/q1472.cc
Day 17 #1979. Find Greatest Common Divisor of Array Easy src/q_1951_2000/q1979.cc
Day 16 #2176. Count Equal and Divisible Pairs in an Array Easy src/q_2151_2200/q2176.cc
Day 15 #2553. Separate the Digits in an Array Easy src/q_2551_2600/q2553.cc
Day 14 #2529. Maximum Count of Positive Integer and Negative Integer Easy src/q_2501_2550/q2529.cc
Day 13 #2455. Average Value of Even Numbers That Are Divisible by Three Easy src/q_2451_2500/q2455.cc
Day 12 #2269. Find the K-Beauty of a Number
#2185. Counting Words With a Given Prefix
#2520. Count the Digits That Divide a Number
Easy
Easy
Easy
src/q_2251_2300/q2269.cc
src/q_2151_2200/q2185.cc
src/q_2501_2550/q2520.cc
Day 11 #2299. Strong Password Checker II
#2181. Merge Nodes in Between Zeros
#2231. Largest Number After Digit Swaps by Parity
Easy
Medium
Easy
src/q_2251_2300/q2299.cc
src/q_2151_2200/q2181.cc
src/q_2201_2250/q2231.cc
Day 10 #2574. Left and Right Sum Differences Easy src/q_2551_2600/q2574.cc
Day 9 #2210. Count Hills and Valleys in an Array
#2451. Odd String Difference
#2506. Count Pairs Of Similar Strings
#2446. Determine if Two Events Have Conflict
Easy
Easy
Easy
Easy
src/q_2201_2250/q2210.cc
src/q_2451_2500/q2451.cc
src/q_2501_2550/q2506.cc
src/q_2401_2450/q2446.cc
Day 8 #2437. Number of Valid Clock Times Easy src/q_2401_2450/q2437.cc
Day 7 #2187. Minimum Time to Complete Trips Medium src/q_2151_2200/q2187.cc
Day 6 #2490. Circular Sentence Easy src/q_2451_2500/q2490.cc
Day 5 #2441. Largest Positive Integer That Exists With Its Negative Easy src/q_2401_2450/q2441.cc
Day 4 #2444. Count Subarrays With Fixed Bounds Hard src/q_2401_2450/q2444.cc
Day 3 #2460. Apply Operations to an Array Easy src/q_2451_2500/q2460.cc
Day 2 #443. String Compression Medium src/q_401_450/q0443.cc
Day 1 #2357. Make Array Zero by Subtracting Equal Amounts
#2367. Number of Arithmetic Triplets
Easy
Easy
src/q_2351_2400/q2357.cc
src/q_2351_2400/q2367.cc

February Submissions

Solved 32 questions in february:

  • 24 questions in easy.
  • 6 questions in medium.
  • 2 questions in hard.
Question Title Difficulty Source
Day 28 #652. Find Duplicate Subtrees Medium src/q_651_700/q0652.cc
Day 27 #427. Construct Quad Tree Medium src/q_401_450/q0427.cc
Day 26 #2220. Minimum Bit Flips to Convert Number Easy src/q_2201_2250/q2220.cc
Day 25 #2148. Count Elements With Strictly Smaller and Greater Elements Easy src/q_2101_2150/q2148.cc
Day 24 #2259. Remove Digit From Number to Maximize Result Easy src/q_2251_2300/q2259.cc
Day 23 #502. IPO Hard src/q_501_550/q0502.cc
Day 22 #1011. Capacity To Ship Packages Within D Days Medium src/q_1001_1050/q1011.cc
Day 21 #2278. Percentage of Letter in String
#2264. Largest 3-Same-Digit Number in String
#2194. Cells in a Range on an Excel Sheet
Easy
Easy
Easy
src/q_2251_2300/q2278.cc
src/q_2251_2300/q2264.cc
src/q_2151_2200/q2194.cc
Day 20 #107. Binary Tree Level Order Traversal II Medium src/q_101_150/q0107.cc
Day 19 #2373. Largest Local Values in a Matrix
#2485. Find the Pivot Integer
#125. Valid Palindrome
Easy
Easy
Easy
src/q_2351_2400/q2373.cc
src/q_2451_2500/q2485.cc
src/q_101_150/q0125.cc
Day 18 #2535. Difference Between Element Sum and Digit Sum of an Array Easy src/q_2501_2550/q2535.cc
Day 17 #2469. Convert the Temperature Easy src/q_2451_2500/q2469.cc
Day 16 #2169. Count Operations to Obtain Zero Easy src/q_2151_2200/q2169.cc
Day 15 #2351. First Letter to Appear Twice Easy src/q_2351_2400/q2351.cc
Day 14 #2363. Merge Similar Items Easy src/q_2351_2400/q2363.cc
Day 13 #2315. Count Asterisks Easy src/q_2301_2350/q2315.cc
Day 12 #2477. Minimum Fuel Cost to Report to the Capital Medium src/q_2451_2500/q2477.cc
Day 11 #2325. Decode the Message Easy src/q_2301_2350/q2325.cc
Day 10 #2243. Calculate Digit Sum of a String Easy src/q_2201_2250/q2243.cc
Day 9 #2306. Naming a Company Hard src/q_2301_2350/q2306.cc
Day 8 #2215. Find the Difference of Two Arrays Easy src/q_2201_2250/q2215.cc
Day 7 #904. Fruit Into Baskets Medium src/q_901_950/q0904.cc
Day 6 #2544. Alternating Digit Sum Easy src/q_2501_2550/q2544.cc
Day 5 #2540. Minimum Common Value Easy src/q_2501_2550/q2540.cc
Day 4 #2399. Check Distances Between Same Letters Easy src/q_2351_2400/q2399.cc
Day 3 #2413. Smallest Even Multiple Easy src/q_2401_2450/q2413.cc
Day 2 #2427. Number of Common Factors Easy src/q_2401_2450/q2427.cc
Day 1 #2206. Divide Array Into Equal Pairs Easy src/q_2201_2250/q2206.cc

January Submissions

Solved 31 questions in january:

  • 16 questions in easy.
  • 11 questions in medium.
  • 4 questions in hard.
Question Title Difficulty Source
Day 31 #1626. Best Team With No Conflicts Medium src/q_1601_1650/q1626.cc
Day 30 #2347. Best Poker Hand Easy src/q_2301_2350/q2347.cc
Day 29 #460. LFU Cache Hard src/q_451_500/q0460.cc
Day 28
Day 27 #472. Concatenated Words Hard src/q_451_500/q0472.cc
Day 26 #787. Cheapest Flights Within K Stops Medium src/q_751_800/q0787.cc
Day 25 #2359. Find Closest Node to Given Two Nodes Medium src/q_2351_2400/q2359.cc
Day 24 #909. Snakes and Ladders Medium src/q_901_950/q0909.cc
Day 23 #2164. Sort Even and Odd Indices Independently Easy src/q_2151_2200/q2164.cc
Day 22 #2395. Find Subarrays With Equal Sum Easy src/q_2351_2400/q2395.cc
Day 21 #2423. Remove Letter To Equalize Frequency Easy src/q_2401_2450/q2423.cc
Day 20 #491. Non-decreasing Subsequences Medium src/q_451_500/q0491.cc
Day 19 #974. Subarray Sums Divisible by K Medium src/q_951_1000/q0974.cc
Day 18 #2418. Sort the People Easy src/q_2401_2450/q2418.cc
Day 17 #2319. Check if Matrix Is X-Matrix Easy src/q_2301_2350/q2319.cc
Day 16 #2235. Add Two Integers
#2239. Find Closest Number to Zero
Easy
Easy
src/q_2201_2250/q2235.cc
src/q_2201_2250/q2239.cc
Day 15 #2421. Number of Good Paths Hard src/q_2401_2450/q2421.cc
Day 14 #1061. Lexicographically Smallest Equivalent String Medium src/q_1051_1100/q1061.cc
Day 13 #2246. Longest Path With Different Adjacent Characters Hard src/q_2201_2250/q2246.cc
Day 12 #1519. Number of Nodes in the Sub-Tree With the Same Label Medium src/q_1501_1550/q1519.cc
Day 11 #1443. Minimum Time to Collect All Apples in a Tree Medium src/q_1401_1450/q1443.cc
Day 10 #2248. Intersection of Multiple Arrays Easy src/q_2201_2250/q2248.cc
Day 9 #2293. Min Max Game Easy src/q_2251_2300/q2293.cc
Day 8 #2255. Count Prefixes of a Given String Easy src/q_2251_2300/q2255.cc
Day 7 #2154. Keep Multiplying Found Values by Two Easy src/q_2151_2200/q2154.cc
Day 6 #1833. Maximum Ice Cream Bars Medium src/q_1801_1850/q1833.cc
Day 5 #2053. Kth Distinct String in an Array Easy src/q_2051_2100/q2053.cc
Day 4 #2244. Minimum Rounds to Complete All Tasks Medium src/q_2201_2250/q2244.cc
Day 3 #944. Delete Columns to Make Sorted Easy src/q_901_950/q0944.cc
Day 2 #1941. Check if All Characters Have Equal Number of Occurrences Easy src/q_1901_1950/q1941.cc
Day 1 #2057. Smallest Index With Equal Value Easy src/q_2051_2100/q2057.cc