1712. Cipher Grille
Time limit: 0.5 second
Memory limit: 64 MB
Our program committee uses different tools for problem development: a mailing list, a version control system, an administration ...
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其他好文 时间：
2015-06-15 16:29:10
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124
1792. Hamming Code
Time limit: 1.0 second
Memory limit: 64 MB
Let us consider four disks intersecting as in the figure. Each of the three shapes formed by the intersectionof three disks will ...
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其他好文 时间：
2015-06-09 21:56:07
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168
1224. Spiral
Time limit: 1.0 second
Memory limit: 64 MB
A brand new sapper robot is able to neutralize mines in a rectangular region having integer height and width (N and
M respectively...
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其他好文 时间：
2015-06-07 12:37:35
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164
1457. Heating Main
Time limit: 1.0 second
Memory limit: 64 MB
Background
I like my hometown very much. Those dilapidated buildings rising proudly above the city and streets dug up as far bac...
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其他好文 时间：
2015-06-07 11:09:57
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163
1025. Democracy in Danger
Time limit: 1.0 second
Memory limit: 64 MB
Background
In one of the countries of Caribbean basin all decisions were accepted by the simple majority of votes at th...
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其他好文 时间：
2015-06-07 11:08:28
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116
题目神题。记得当初DYF和HZA讲过一个FFT+KMP的题目，一直觉得很神，从来没去做。没有真正理解FFT的卷积。首先考虑暴力。只考虑前7位 KMP 找出所有 B 串可以匹配 A 串的位置。设 a(i) = A(i) & 1, b(i) = B(i) & 1然后相当于求所有的c(i) = ∑k=0m...
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其他好文 时间：
2015-06-03 19:22:41
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130
1152. False MirrorsTime limit: 2.0 secondMemory limit: 64 MBBackgroundWe wandered in the labyrinth for twenty minutes before finally entering the larg...
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其他好文 时间：
2015-06-03 00:56:38
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184
1039. Anniversary PartyTime limit: 0.5 secondMemory limit: 8 MBBackgroundThe president of the Ural State University is going to make an 80'th Annivers...
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其他好文 时间：
2015-06-02 00:16:48
阅读次数：
200
1018. Binary Apple TreeTime limit: 1.0 secondMemory limit: 64 MBLet's imagine how apple tree looks in binary computer world. You're right, it looks ju...
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移动开发 时间：
2015-06-01 16:13:30
阅读次数：
133
1563. Bayan
Time limit: 1.0 second
Memory limit: 64 MB
As everybody knows, there are a lot of stores in skyscrapers, it's the favourite place of glamorous girls. Blonde Cindy loves only one...
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其他好文 时间：
2015-06-01 13:18:28
阅读次数：
171
