2020年2月29日
Polo the Penguin and Matrix
摘要： Little penguin Polo has an n × m matrix, consisting of integers. Let's index the matrix rows from 1 to n from top to bottom and let's index the column 阅读全文
posted @ 2020-02-29 11:03 DeaL57 阅读(184) 评论(0) 推荐(0) 编辑
Diverse Garland
摘要： You have a garland consisting of nn lamps. Each lamp is colored red, green or blue. The color of the ii-th lamp is sisi ('R', 'G' and 'B' — colors of 阅读全文
posted @ 2020-02-29 10:10 DeaL57 阅读(119) 评论(0) 推荐(0) 编辑
Basketball Exercise
摘要： Finally, a basketball court has been opened in SIS, so Demid has decided to hold a basketball exercise session. 2⋅n2⋅n students have come to Demid's e 阅读全文
posted @ 2020-02-29 09:51 DeaL57 阅读(214) 评论(0) 推荐(0) 编辑
Quasi Binary
摘要： A number is called quasibinary if its decimal representation contains only digits 0 or 1. For example, numbers 0, 1, 101, 110011 — are quasibinary and 阅读全文
posted @ 2020-02-29 09:07 DeaL57 阅读(200) 评论(0) 推荐(0) 编辑
Vacations
摘要： Vasya has n days of vacations! So he decided to improve his IT skills and do sport. Vasya knows the following information about each of this n days: w 阅读全文
posted @ 2020-02-29 01:11 DeaL57 阅读(245) 评论(0) 推荐(0) 编辑
2020年2月28日
Given Length and Sum of Digits...
摘要： You have a positive integer m and a non-negative integer s. Your task is to find the smallest and the largest of the numbers that have length m and su 阅读全文
posted @ 2020-02-28 22:43 DeaL57 阅读(184) 评论(0) 推荐(0) 编辑
2020年2月27日
NEKO's Maze Game
摘要： NEKO#ΦωΦ has just got a new maze game on her PC! The game's main puzzle is a maze, in the forms of a 2×n2×n rectangle grid. NEKO's task is to lead a N 阅读全文
posted @ 2020-02-27 22:10 DeaL57 阅读(187) 评论(0) 推荐(0) 编辑
Ice Skating
摘要： Bajtek is learning to skate on ice. He's a beginner, so his only mode of transportation is pushing off from a snow drift to the north, east, south or 阅读全文
posted @ 2020-02-27 19:18 DeaL57 阅读(283) 评论(0) 推荐(0) 编辑
Alice and Hairdresser
摘要： Alice's hair is growing by leaps and bounds. Maybe the cause of it is the excess of vitamins, or maybe it is some black magic... To prevent this, Alic 阅读全文
posted @ 2020-02-27 17:42 DeaL57 阅读(201) 评论(0) 推荐(0) 编辑
2020年2月26日
PolandBall and Forest
摘要： PolandBall lives in a forest with his family. There are some trees in the forest. Trees are undirected acyclic graphs with k vertices and k - 1 edges, 阅读全文
posted @ 2020-02-26 23:49 DeaL57 阅读(181) 评论(0) 推荐(0) 编辑