Problem Description A factory produces products packed in square packets of the same height h and of the sizes 1*1, 2*2, 3*3, 4*4, 5*5, 6*6. These products are always delivered to customers in the square parcels of the same height h as the products h…
0x01 从判定问题到形式语言 这篇讲知识证明的wiki([1]): https://en.wikipedia.org/wiki/Proof_of_knowledge 里面有一句话: Let x be a language element of language L in NP 这篇讲NPC的文章([2]) http://www.cs.princeton.edu/courses/archive/spr11/cos423/Lectures/NP-completeness.pdf 里面提到Decis…
Current Time: 2016-03-11 17:45:36 Contest Type: Public Start Time: 2016-03-04 13:00:00 Contest Status: Running End Time: 2016-05-03 13:00:00 Manager: qwerqqq Clone this contest Edit Delete ID Origin Title 1 / 1 Problem A HDU 1045 Fire Net 1 / 1 P…
ID Origin Title 20 / 60 Problem A HDU 3507 Print Article 13 / 19 Problem B HDU 2829 Lawrence 1 / 5 Problem C HDU 4528 小明系列故事――捉迷藏 5 / 6 Problem D HDU 1300 Pearls 0 / 42 Problem E HDU 2993 MAX Average Problem 1 / 20 Problem F UVALi…