Daily Express

Departures

LeetCode's daily problem, explained by MIK. 1,138 days on the board.

Video thumbnail: Count Islands With Total Value Divisible by K

Today's Express · Monday, October 263619. Count Islands With Total Value Divisible by KMedium · Array · Depth-First Search · Breadth-First Search · 19:06

Watch MIK's solution LeetCode ↗ Code

DateProblemLevelLengthStatus

OCT 263619. Count Islands With Total Value Divisible by Kmedium19:06

OCT 242409. Count Days Spent Togethereasy18:42

OCT 233644. Maximum K to Sort a Permutationmedium19:58

OCT 223942. Minimum Operations to Sort a Permutationmedium47:24

OCT 213863. Minimum Operations to Sort a Stringmedium28:36

OCT 203886. Sum of Sortable Integershard32:04

OCT 192089. Find Target Indices After Sorting Arrayeasy16:20

OCT 173551. Minimum Swaps to Sort by Digit Summedium19:59

OCT 162916. Subarrays Distinct Element Sum of Squares IIhard1:08:29

OCT 143723. Maximize Sum of Squares of Digitsmedium13:14

OCT 133727. Maximum Alternating Sum of Squaresmedium18:28

OCT 122897. Apply Operations on Array to Maximize Sum of Squareshard36:27

OCT 102333. Minimum Sum of Squared Differencemedium34:51

OCT 91541. Minimum Insertions to Balance a Parentheses Stringmedium16:09

OCT 81021. Remove Outermost Parentheseseasy11:01

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