题目链接：http://codeforces.com/problemset/problem/655/E After getting kicked out of her reporting job for not knowing the alphabet, Bessie has decided to ...
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其他好文 时间：
2019-12-08 23:02:37
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122
C. Messy You are fed up with your messy room, so you decided to clean it up. Your room is a bracket sequence s=s1s2…sn of length n. Each character of ...
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其他好文 时间：
2019-11-25 00:22:55
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96
Google Calendar, Outlook, iCal has been banned from your company! So an intrepid engineer has decided to roll their own implementation. Unfortunately ...
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其他好文 时间：
2019-11-17 10:26:40
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79
Alex doesn't like boredom. That's why whenever he gets bored, he comes up with games. One long winter evening he came up with a game and decided to pl ...
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其他好文 时间：
2019-11-13 22:31:01
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129
Ujan decided to make a new wooden roof for the house. He has nn rectangular planks numbered from 11 to nn. The ii-th plank has size ai×1ai×1 (that is, ...
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其他好文 时间：
2019-11-10 11:46:16
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66
Ujan has been lazy lately, but now has decided to bring his yard to good shape. First, he decided to paint the path from his house to the gate. The pa ...
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其他好文 时间：
2019-11-10 11:44:17
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73
Ujan has been lazy lately, but now has decided to bring his yard to good shape. First, he decided to paint the path from his house to the gate. The pa ...
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其他好文 时间：
2019-11-09 00:25:44
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99
题目背景 John的农场缺水了！！！ John的农场缺水了！！！ 题目描述 Farmer John has decided to bring water to his N (1 <= N <= 300) pastures which are conveniently numbered 1..N. H ...
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其他好文 时间：
2019-10-28 00:36:57
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105
问题描述 On the way home, Karen decided to stop by the supermarket to buy some groceries. She needs to buy a lot of goods, but since she is a student her ...
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其他好文 时间：
2019-10-17 01:24:06
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65
链接: https://codeforces.com/contest/1220/problem/B 题意: Sasha grew up and went to first grade. To celebrate this event her mother bought her a multiplic ...
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其他好文 时间：
2019-10-06 11:43:25
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73
