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I. Travel Time Limit: 3000ms Memory Limit: 65536KBThe country frog lives in has n towns which are conveniently numbered by 1,2,…,n.Among n(n−... 阅读全文
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J. Right turn Time Limit: 1000ms Memory Limit: 65536KBfrog is trapped in a maze. The maze is infinitely large and divided into grids. It also... 阅读全文
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A. Easy Math Time Limit: 2000ms Memory Limit: 65536KBGiven n integers a1,a2,…,an, check if the sum of their square root a1−−√+a2−−√+⋯+an−−√ i... 阅读全文
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E. Rectangle Time Limit: 1000ms Memory Limit: 65536KB 64-bit integer IO format: %lld Java class name: Main Submit Status frog has a piec... 阅读全文