时间限制: 2s
内存限制: 192MB 提交: 1346 解决: 480
题目描述
一个字符串A的子串被定义成从A中顺次选出若干个字符构成的串。如A=“cdaad" ,顺次选1,3,5个字符就构成子串" cad" ,现给定两个字符串,求它们的最长共公子串。
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