FIVE

Neal is very curious about combinatorial problems, and now here comes a problem about words. Know- ing that Ray has a photographic memory and this may not trouble him, Neal gives it to Jiejie. Since ...

模板 //AC自动机模板无last优化 struct AC_automation{ int trie[maxn][26]; int valori[maxn], val[maxn], fail[maxn], depth[maxn]; int cnt, M = 26; AC_automation(){ init(); } voi...