霜雪千年

2018年6月10日

摘要： Problem description Mad scientist Mike entertains himself by arranging rows of dominoes. He doesn't need dominoes, though: he uses rectangular magnets 阅读全文

posted @ 2018-06-10 07:53 霜雪千年阅读(269) 评论(0) 推荐(0) 编辑

A - Word

摘要： Problem description Vasya is very upset that many people on the Net mix uppercase and lowercase letters in one word. That's why he decided to invent a 阅读全文

posted @ 2018-06-10 07:48 霜雪千年阅读(884) 评论(0) 推荐(0) 编辑

2018年6月9日

C - Arrival of the General

摘要： Problem description A Ministry for Defense sent a general to inspect the Super Secret Military Squad under the command of the Colonel SuperDuper. Havi 阅读全文

posted @ 2018-06-09 13:47 霜雪千年阅读(359) 评论(0) 推荐(0) 编辑

B - Ultra-Fast Mathematician

摘要： Problem description Shapur was an extremely gifted student. He was great at everything including Combinatorics, Algebra, Number Theory, Geometry, Calc 阅读全文

posted @ 2018-06-09 13:39 霜雪千年阅读(313) 评论(0) 推荐(0) 编辑

A - I Wanna Be the Guy

摘要： Problem description There is a game called "I Wanna Be the Guy", consisting of n levels. Little X and his friend Little Y are addicted to the game. Ea 阅读全文

posted @ 2018-06-09 13:34 霜雪千年阅读(441) 评论(0) 推荐(0) 编辑

O - Masha and Bears

摘要： Problem description A family consisting of father bear, mother bear and son bear owns three cars. Father bear can climb into the largest car and he li 阅读全文

posted @ 2018-06-09 00:34 霜雪千年阅读(209) 评论(0) 推荐(0) 编辑

2018年6月8日

E - Dividing Orange

摘要： Problem description One day Ms Swan bought an orange in a shop. The orange consisted of n·k segments, numbered with integers from 1 to n·k. There were 阅读全文

posted @ 2018-06-08 23:26 霜雪千年阅读(250) 评论(0) 推荐(0) 编辑

Dima and Lisa（哥德巴赫猜想）

摘要： Problem description Dima loves representing an odd number as the sum of multiple primes, and Lisa loves it when there are at most three primes. Help t 阅读全文

posted @ 2018-06-08 22:48 霜雪千年阅读(421) 评论(0) 推荐(0) 编辑

D - Knight Tournament（set）

摘要： Problem description Hooray! Berl II, the king of Berland is making a knight tournament. The king has already sent the message to all knights in the ki 阅读全文

posted @ 2018-06-08 20:48 霜雪千年阅读(301) 评论(0) 推荐(0) 编辑

C - Ilya and Sticks（贪心）

摘要： Problem description In the evening, after the contest Ilya was bored, and he really felt like maximizing. He remembered that he had a set of n sticks 阅读全文

posted @ 2018-06-08 20:01 霜雪千年阅读(377) 评论(0) 推荐(0) 编辑

A thousand miles begins with a single step.

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