摘要：Oulipo Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 35732 Accepted: 14439 Description The French author Georges Perec (1936–1982) once w 阅读全文

摘要：Seek the Name, Seek the Fame Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 17094 Accepted: 8720 Description The little cat is so famous, 阅读全文

摘要：Period Time Limit: 3000MS Memory Limit: 30000K Total Submissions: 16462 Accepted: 7903 Description For each prefix of a given string S with N characte 阅读全文

摘要：Power Strings Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 43514 Accepted: 18153 Description Given two strings a and b we define a*b to 阅读全文