Tag: c++
A sentence is a list of words that are separated by a single space with no leading or trailing spaces. Each of the words consists of only uppercase and …
Return true if the square is white, and false if the square is black. The coordinate will always represent a valid chessboard square. The coordinate will always have the …
Given a list of unique positive integers nums and a positive integer k, return the number of unique combinations that sum up to k. You may reuse numbers when …
Given a list of unique positive integers nums and a positive integer k, return the number of unique combinations that sum up to k. You may reuse numbers when …
Given an alphanumeric string s, return the second largest numerical digit that appears in s, or -1 if it does not exist. An alphanumeric string is a string consisting …