单词会重复,累加完一个的单词后把val清0,避免重复计算。
//#pragma comment(linker, "/STACK:1024000000,1024000000") #include<cstdio> #include<cstring> #include<cstdlib> #include<algorithm> #include<iostream> #include<sstream> #include<cmath> #include<climits> #include<string> #include<map> #include<queue> #include<vector> #include<stack> #include<set> using namespace std; typedef long long ll; typedef pair<int,int> pii; #define pb(a) push_back(a) #define INF 0x1f1f1f1f #define lson idx<<1,l,mid #define rson idx<<1|1,mid+1,r #define PI 3.1415926535898 template<class T> T min(const T& a,const T& b,const T& c) { return min(min(a,b),min(a,c)); } template<class T> T max(const T& a,const T& b,const T& c) { return max(max(a,b),max(a,c)); } void debug() { #ifdef ONLINE_JUDGE #else freopen("d:\in.txt","r",stdin); // freopen("d:\out1.txt","w",stdout); #endif } int getch() { int ch; while((ch=getchar())!=EOF) { if(ch!=' '&&ch!=' ')return ch; } return EOF; } const int MAX_NODE=251000; const int SIGMA_SIZE=26; struct ac_automation { int sz; int ch[MAX_NODE][SIGMA_SIZE]; int f[MAX_NODE]; //int last[MAX_NODE]; int val[MAX_NODE]; void init(){ sz=0; memset(ch,0,sizeof(ch)); memset(val,0,sizeof(val)); } int idx(char c){return c-'a';} int insert(const char *s) { int u=0; for(int i=0;s[i]!='