给出包含n个可见字符的字符集,以下所提字符串均由该字符集中的字符构成。给出p个长度不超过10的字符串,求长为m且不包含上述p个字符串的字符串有多少个。 g++提交 int mat[108][108] ;int matn ;int N ;map<char ,int> to ;//ACconst int maxm = 108 ;const int kin
一、内容 The alphabet of Freeland consists of exactly N letters. Each sentence of Freeland language (also known as Freish) consists of exactly M letters without word breaks. So, there exist exactly N^M d
ikki的数字 Time Limit: 1000 MSMemory Limit: 32768 K Total Submit: 29(16 users)Total Accepted: 13(12 users)Rating: Special Judge: No Description ikki 最近对数字颇感兴趣。现在ikki在纸上写了连续的N个数字,每个数字都是[1,N]之间任意的一个数而