lanshui_Yang的专栏

C. Median time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A median in an array with the length of n is an e

Description It is very hard to wash and especially to dry clothes in winter. But Jane is a very smart girl. She is not afraid of this boring process. Jane has decided to use a radiator to make dryi

You've been invited to a party. The host wants to divide the guests into 2 teams for party games, with exactly the same number of guests on each team. She wants to be able to tell which guest is on wh

Description Once upon a time there lived a king and he had N sons. And there were N beautiful girls in the kingdom and the king knew about each of his sons which of those girls he did like. The son

Flash Mob Jumping Jack is in charge of organizing a flash mob. Themembers of the flash mob move around town all day and part of the appeal of thisgroup is they come together to do their thing whenever

Description A number of schools are connected to a computer network. Agreements have been developed among those schools: each school maintains a list of schools to which it distributes software (th