摘要:String Reconstruction Ivan had string s consisting of small English letters. However, his friend Julia decided to make fun of him and hid the string s
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摘要:Mr. Kitayuta's Colorful Graph Mr. Kitayuta has just bought an undirected graph consisting of n vertices and medges. The vertices of the graph are numb
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摘要:Knight Tournament Hooray! Berl II, the king of Berland is making a knight tournament. The king has already sent the message to all knights in the king
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摘要:Almost Union-Find I hope you know the beautiful Union-Find structure. In this problem, you're to implement something similar, but not identical. The d
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摘要:Wireless Network An earthquake takes place in Southeast Asia. The ACM (Asia Cooperated Medical team) have set up a wireless network with the lap compu
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摘要:Restructuring Company Even the most successful company can go through a crisis period when you have to make a hard decision — to restructure, discard
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