Bài tập Code
sequenceFixing
A bracket sequence is called regular if it is possible to insert some numbers and…
Bài tập Code
closestString
The distance between two strings of equal length is the number of appropriate indices where…
Bài tập Code
wordSearch
Given an array of strings words, find the number of ways to type the targetword by jumping…
Bài tập Code
hoop
In a game we called that "hoop", n player numbered from 1 to n are playing. The first player says 1, the…
Bài tập Code
kthTerm
For the given integer n, consider an increasing sequence consisting of all positive integers that are…
Bài tập Code
equalitree
Consider a tree structure whose every node holds a Boolean value of either true or false. We'll call…
