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C -PurificationTime Limit:1000MSMemory Limit:262144KB64bit IO Format:%I64d & %I64uSubmitStatusPracticeCodeForces 329ADescriptionYou are an adventurer currently journeying inside an evil temple. After defeating a couple of weak zombies, you arrived at a square room consisting of tiles forming ann 阅读全文
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B -Funky NumbersTime Limit:2000MSMemory Limit:262144KB64bit IO Format:%I64d & %I64uSubmitStatusPracticeCodeForces 192ADescriptionAs you very well know, this year's funkiest numbers are so called triangular numbers (that is, integers that are representable as, wherekis some positive integer), 阅读全文
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E -Queue at the SchoolTime Limit:2000MSMemory Limit:262144KB64bit IO Format:%I64d & %I64uSubmitStatusPracticeCodeForces 266BDescriptionDuring the break the schoolchildren, boys and girls, formed a queue ofnpeople in the canteen. Initially the children stood in the order they entered the canteen. 阅读全文
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A -Bus GameTime Limit:2000MSMemory Limit:262144KB64bit IO Format:%I64d & %I64uDescriptionAfter Fox Ciel won an onsite round of a programming contest, she took a bus to return to her castle. The fee of the bus was 220 yen. She met Rabbit Hanako in the bus. They decided to play the following game 阅读全文