1337. The K Weakest Rows in a Matrix
You are given an m x n binary matrix mat of 1's (representing soldiers) and 0's (representing civili...
1332. Remove Palindromic Subsequences
Given a string s consisting only of letters 'a' and 'b'. In a single step you can remove one palindr...
1331. Rank Transform of an Array
Given an array of integers arr, replace each element with its rank. The rank represents how large th...
1323. Maximum 69 Number
Given a positive integer num consisting only of digits 6 and 9. Return the maximum number you can ge...
1317. Convert Integer to the Sum of Two No-Zero Integers
Given an integer n. No-Zero integer is a positive integer which doesn't contain any 0 in its decimal...
1313. Decompress Run-Length Encoded List
We are given a list nums of integers representing a list compressed with run-length encoding. Consid...
1309. Decrypt String from Alphabet to Integer Mapping
Given a string s formed by digits ('0' - '9') and '#' . We want to map s to English lowercase charac...
1304. Find N Unique Integers Sum up to Zero
Given an integer n, return any array containing n unique integers such that they add up to 0. Exampl...
1299. Replace Elements with Greatest Element on Right Side
Given an array arr, replace every element in that array with the greatest element among the elements...
1295. Find Numbers with Even Number of Digits
Given an array nums of integers, return how many of them contain an even number of digits. Example 1...