摘要： QueryTime Limit: 20000/10000 MS (Java/Others)Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1267Accepted Submission(s): 391Problem DescriptionYou are given two strings s1[0..l1], s2[0..l2] and Q - number of queries.Your task is to answer next queries:1) 1 a i c - you should set i-th c 阅读全文