#include <Seter> - using namespace Orz;

1467: Pku3243 clever Y

http://www.zybbs.org/JudgeOnline/problem.php?id=1467

RunID User Problem Result Memory Time Language Code Length Submit Time
206331 Seter 1467 Accepted 1432 kb 52 ms C/Edit 1599 B 2012-02-17 20:55:23

终于弄明白扩展小步大步算法了囧,我的数学真是太差了。。

AC大神的代码很好懂,但是解释就……我反正看不懂。

题意:解方程A^x=B(mod C)。

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2179: FFT快速傅立叶

http://www.zybbs.org/JudgeOnline/problem.php?id=2179

RunID User Problem Result Memory Time Language Code Length Submit Time
175346 Seter 2179 Accepted 1756 kb 1120 ms C/Edit 1597 B 2011-11-22 19:17:39

于是花了3个小时写了个分治版的大数乘法……压9位后常数果然巨小,60000位时比FFT还快一点!膜拜AC大神208MS稳居榜首!

用FFT过掉后看到TIM是用分治的……于是回去想了好久……终于想出来了……

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1300: [LLH邀请赛]大数计算器

http://www.zybbs.org/JudgeOnline/problem.php?id=1300

RunID User Problem Result Memory Time Language Code Length Submit Time
152924 Seter 1300 Accepted 1744 kb 172 ms C/Edit 637 B 2011-09-17 17:43:20

刷了20+次还是刷不到tbl的160MS……OrzXTY……

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