algorithm
Finding Similar Articles - Algorithms Research
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Due to the demand of removing similar articles in Touchpal Dialer’s feeds, I did some research on related algorithms and realized a few of them.
CF 338E Optimize! - 线段树维护
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题意: 给一个串a,长度为n，一个串b长度为len, 问a有多少个长度为len的子串满足：和b任意匹配后，每一对值的和都大于等于h。
两题类似的数位DP
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CF 331C3 - The Great Julya Calendar (60 points) SGU 390 TICKETS
Suffix Automaton Tutorial
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This is a comprehensive tutorial on Suffix Automaton (SAM) with detailed problem solutions.
HDU 4622 Reincarnation - 三种解法对比
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题意: 长度为2000的串，10000个询问：[l,r]这个子串包含多少不同的子串。
A Contest to Celebrate Girlfriend’s Birthday by Staginner
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