IT좌충우돌잡동사니

A jail has a number of prisoners and a number of treats to pass out to them. 감옥에 많은 수감자와 그들에게 무언가를 배포하는 여러 가지 방법이 있습니다 Their jailer decides the fairest way to divide the treats is to seat the prisoners around a circular table in sequentially numbered chairs. 간수가 간식을 나누어 주는 가장 공정한 방법은 일련 번호가 매겨진 의자에 원형 테이블 주위에 죄수들을 앉히는 것입니다. A chair number will be drawn from a hat. 의자 번호는 모자에서 추출됩니다. Beginning wi..

Alex works at a clothing store. There is a large pile of socks that must be paired by color for sale. Given an array of integers representing the color of each sock, determine how many pairs of socks with matching colors there are. For example, there are n=7 socks with colors ar=[1,2,1,2,1,3,2]. There is one pair of color and one of color . There are three odd socks left, one of each color. The ..