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滑雪Time Limit:1000MSMemory Limit:65536KTotal Submissions:77423Accepted:28779DescriptionMichael喜欢滑雪百这并不奇怪， 因为滑雪的确很刺激。可是为了获得速度，滑的区域必须向下倾斜，而且当你滑到坡底，你不得不再次... 阅读全文
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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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Josephina and RPGTime Limit: 4000/2000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 511Accepted Submission(s): 139Spe... 阅读全文
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A -Alice's Print ServiceTime Limit:1000MSMemory Limit:32768KB64bit IO Format:%I64d & %I64uSubmitStatusPracticeHDU 4791DescriptionAlice is providing pr... 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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Zombie’s Treasure ChestTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4442Accepted Submission(s):... 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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Bound FoundTime Limit:5000MSMemory Limit:65536KTotal Submissions:1651Accepted:544Special JudgeDescriptionSignals of most probably extra-terrestrial or... 阅读全文
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Rebuilding RoadsTime Limit:1000MSMemory Limit:30000KTotal Submissions:9105Accepted:4122DescriptionThe cows have reconstructed Farmer John's farm, with... 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