Time Limit: 1 Sec Memory Limit: 128 MB Description Oimaster and sevenk love each other. But recently,sevenk h…
BZOJ2555: SubString
Time Limit: 30 Sec Memory Limit: 512 MB Description 懒得写背景了，给你一个字符串init，要求你支持两个操作 (1):在当前字符串的后面插入一个字符串 (2):询问…
Time Limit: 1 Sec Memory Limit: 128 MB Description Oimaster and sevenk love each other. But recently,sevenk h…
Time Limit: 30 Sec Memory Limit: 512 MB Description 懒得写背景了，给你一个字符串init，要求你支持两个操作 (1):在当前字符串的后面插入一个字符串 (2):询问…