摘要：
A person wants to travel around some places. The welfare in his company can cover some of the airfare cost. In order to control cost, the company requ... 阅读全文
摘要：
Food DeliveryTime Limit: 2 Seconds Memory Limit: 65536 KBWhen we are focusing on solving problems, we usually prefer to stay in front of computer... 阅读全文
摘要：
Coloring Bracketstime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputOnce Petya read a problem abou... 阅读全文
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Nested Segmentstime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou are given n segments on a li... 阅读全文
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C. Foe Pairstime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou are given a permutation p of leng... 阅读全文
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A. Gabriel and Caterpillartime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputThe 9-th grade student ... 阅读全文