Oct 28, 2025 • Leetcode
Filter Elements from Array
Given an integer array arr and a filtering function fn, return a filtered array filteredArr.
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Oct 27, 2025 • Leetcode
Chunk Array
Given an array arr and a chunk size size, return a chunked array.
Read more →Oct 26, 2025 • Leetcode
Sleep
Given a positive integer millis, write an asynchronous function that sleeps for millis milliseconds. It can resolve any value.
Read more →Oct 24, 2025 • Codeforces
Alyona and Spreadsheet
During the lesson small girl Alyona works with one famous spreadsheet computer program and learns how to edit tables.
Read more →Oct 20, 2025 • Leetcode
Final Value of Variable After Performing Operations
There is a programming language with only four operations and one variable X:
Read more →Oct 17, 2025 • Leetcode
Excel Sheet Column Number
Given a string columnTitle that represents the column title as appears in an Excel sheet, return its corresponding column number.
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