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DescriptionConsider two natural numbers A and B. Let S be the sum of all natural divisors of A^B. Determine S modulo 9901 (the rest of the division of... 阅读全文
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DescriptionGiven a connected undirected graph, tell if its minimum spanning tree is unique. Definition 1 (Spanning Tree): Consider a connected, undire... 阅读全文
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DescriptionAndrew is working as system administrator and is planning to establish a new network in his company. There will be N hubs in the company, t... 阅读全文
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DescriptionConsider the following 5 picture frames placed on an 9 x 8 array. ........ ........ ........ ........ .CCC....EEEEEE.. ........ ........ ..... 阅读全文
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DescriptionWindy has N balls of distinct weights from 1 unit to N units. Now he tries to label them with 1 to N in such a way that:No two balls share ... 阅读全文
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DescriptionIn this problem you have to solve a very simple maze consisting of:a 6 by 6 grid of unit squares3 walls of length between 1 and 6 which are... 阅读全文
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DescriptionDuring winter, the most hungry and severe time, Holedox sleeps in its lair. When spring comes, Holedox wakes up, moves to the exit of its l... 阅读全文
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Descriptiona program that, given a natural number N between 0 and 4999 (inclusively), and M distinct decimal digits X1,X2..XM (at least one), finds th... 阅读全文
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DescriptionBoudreaux likes to multitask, especially when it comes to using his computer. Never satisfied with just running one application at a time, ... 阅读全文
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DescriptionAn ascending sorted sequence of distinct values is one in which some form of a less-than operator is used to order the elements from smalle... 阅读全文