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【CF 1015B】Obtaining the String

B. Obtaining the String You are given two strings ss and tt. Both strings have length nn and consist of lowercase Lat...

Codeforce 字符串

2018-08-11

0 801

【CF 11787B】WOW Factor

B. WOW Factor Recall that string aa is a subsequence of a string bb if aa can be obtained from bb by deletion of sev...

Codeforce 字符串

2019-07-22

0 600