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106. The equation time limit per test: 0.25 sec. memory limit per test: 4096 KB There is an equation ax + by + c = 0. Given a,b,c,x1,x2,y1,y2 you must 阅读全文
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Farey Sequence Time Limit: 1000MS Memory Limit: 65536K Description The Farey Sequence Fn for any integer n with n >= 2 is the set of irreducible ratio 阅读全文
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题目链接： https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=2852 题意：找到在[1,2^64-1]区间范围内的所有Super Powers数，Super 阅读全文