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Codeforce~
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(共25篇)
【CodeForces - 761D 】Dasha and Very Difficult Problem (构造,思维)
题干: Dasha logged into the system and began to solve problems. One of them is as follows: Given two sequences a and b of length n each you need to wr...
2018-09-12
0
352
【CodeForces - 735A 】Ostap and Grasshopper (水题,模拟)
题干: On the way to Rio de Janeiro Ostap kills time playing with a grasshopper he took with him in a special box. Ostap builds a line of length n such ...
2018-09-09
0
457
【CodeForces - 670D1 】Magic Powder - 1 (模拟 或 枚举 或二分优化)
题干: This problem is given in two versions that differ only by constraints. If you can solve this problem in large constraints, then you can just writ...
2018-09-05
0
372
【CF#148B】Escape(模拟)
题干: The princess is going to escape the dragon's cave, and she needs to plan it carefully. The princess runs at vp miles per hour, and the dragon fl...
2018-07-26
0
556
【CF#468 div2 D. 】Peculiar apple-tree(思维)
题干: In Arcady's garden there grows a peculiar apple-tree that fruits one time per year. Its peculiarity can be explained in following way: there are ...
2018-07-24
0
384
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