原创 A. Bear and Reverse Radewoosh
Limak and Radewoosh are going to compete against each other in the upcoming algorithmic contest. They are equally ski
2019-01-09 12:52:38
4
原创 A. Team
One day three best friends Petya, Vasya and Tonya decided to form a team and take part in programming contests. Parti
2019-01-09 12:52:38
原创 A. Boy or Girl
Those days, many boys use beautiful girls’ photos as avatars in forums. So it is pretty hard to tell the gender of a
2019-01-09 12:52:38
原创 A. Domino piling
You are given a rectangular board of M × N squares. Also you are given an unlimited number of standard domino pieces
2019-01-09 12:52:38
原创 A. Fingerprints
You are locked in a room with a door that has a keypad with 10 keys corresponding to digits from 0 to 9. To escape fr
2019-01-08 02:26:18
原创 A. Way Too Long Words
Sometimes some words like “localization” or “internationalization” are so long that writing them many times in one te
2019-01-08 02:26:18
2
原创 A. Tom Riddle's Diary
Harry Potter is on a mission to destroy You-Know-Who’s Horcruxes. The first Horcrux that he encountered in the Chambe
2019-01-08 02:26:18
原创 A. Golden Plate
You have a plate and you want to add some gilding to it. The plate is a rectangle that we split into w×hw×h cells. Th
2019-01-08 02:26:18
原创 A. Petya and Origami
Petya is having a party soon, and he has decided to invite his nn friends. He wants to make invitations in the form o
2019-01-08 02:26:18