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Shortest NamesIn a strange village, people have very long names. For example:aaaaa,bbbandabababab.You see, it's very inconvenient to call a person, so... 阅读全文
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Robot InstructionsYou have a robot standing on the origin ofxaxis. The robot will be given some instructions. Your task is to predict its position aft... 阅读全文
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Three FamiliesThree families share a garden. They usually clean the garden together at the end of each week, but last week, family C was on holiday, s... 阅读全文
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K-NiceTime Limit:1 Second Memory Limit:32768 KB Special JudgeThis is a super simple problem. The description is simple, the solution is simple. If you... 阅读全文
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Connect themTime Limit:1 Second Memory Limit:32768 KBYou havencomputers numbered from 1 tonand you want to connect them to make a small local area net... 阅读全文