Common Subsequence Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 39661 Accepted Submission(s): 18228 Problem Description A subsequence of a given sequence is the given sequence with some el…
反恐训练营 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 3040 Accepted Submission(s): 693 Problem Description 当今国际反恐形势非常严峻,特别是美国"9.11事件"以后,国际恐怖势力更是有恃无恐,制造了多起骇人听闻的恐怖事件.基于此,各国都十分操心恐怖势力会对本国社会…
Description A palindrome is a symmetrical string, that is, a string read identically from left to right as well as from right to left. You are to write a program which, given a string, determines the minimal number of characters to be inserted into t…