摘要:
Tri TilingTime Limit:1000MSMemory Limit:65536KTotal Submissions:7841Accepted:4113DescriptionIn how many ways can you tile a 3xn rectangle with 2x1 dom... 阅读全文
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Graph ReconstructionTime Limit:2 Seconds Memory Limit:65536 KB Special JudgeLet there be a simple graph withNvertices but we just know the degree of e... 阅读全文
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183. Painting the ballstime limit per test: 0.25 sec.memory limit per test: 4096 KBinput: standard inputoutput: standard outputPetya puts the N white ... 阅读全文
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The Lost HouseTime Limit:3000MSMemory Limit:30000KTotal Submissions:2203Accepted:906DescriptionOne day a snail climbed up to a big tree and finally ca... 阅读全文