AC Automaton Code
#include <cstdio>#include <iostream>#include <queue>#include <cstring>using namespace STD;#define ID (a) (A-' a ')Const intMaxnode=10000* -+Ten;intch[maxnode][ -];intF[maxnode];intVal[maxnode];intSzintInsertChar*s) {intU =0; for(inti =0; s[i];i++) {intc = ID (s[i]);if(!ch[u][c]) {memset(Ch[sz],0,sizeof(Ch[sz])); VAL[SZ] =0; F[SZ] =0; CH[U][C] = sz++; } u = Ch[u][c]; } Val[u] + +;}intFind_fail () {intU =0; Queue<int>Que f[0]=0; for(inti =0; I < -; i++) {intU = ch[0][i];if(u) {F[u] =0; Que.push (U); } } while(!que.empty ()) {intR = Que.front (); Que.pop (); for(inti =0; I < -; i++) {if(!ch[r][i]) {Ch[r][i] = Ch[f[r]][i]; }Else{F[ch[r][i]] = ch[f[r]][i]; Que.push (Ch[r][i]); } } }}intQueryChar*s) {intU =0;intAns =0; for(inti =0; s[i];i++) {u = ch[u][id (S[i])];intTMP = u; while(TMP) {ans + = val[tmp]; VAL[TMP] =0; TMP = f[tmp]; } }printf("%d\n", ans);returnAns;}Chars[1000005];Chara[ -];intMain () {intTCin>> T; while(t--) {intNCin>> N; SZ =1;memset(ch[0],0,sizeof(ch[0])); val[0]=0; f[0] =0; for(inti =0; i < n;i++) {scanf('%s ', a); Insert (a); } find_fail ();scanf('%s ', s); query (s); }}
Bare trie Code
#include <cstdio>#include <iostream>#include <algorithm>#include <queue>#include <cmath>#include <cstring>#include <stack>#include <set>#include <map>#include <vector>using namespace STD;#define INF 0X2FFFFFFF#define LL Long Long#define MAX (A, B) ((a) > (a))? (a):(B)#define MIN (a) < (b))? (a):(B)#define ID (a) ((a)-' a ')Const intMaxnode =10000* -+Ten;intch[maxnode][ -];intVal[maxnode];intSZ =0;intInsertChar*s) {intLen =strlen(s);intU =0; for(inti =0; i < len;i++) {intc = ID (s[i]);if(!ch[u][c]) {memset(Ch[sz],0,sizeof(Ch[sz])); VAL[SZ] =0; CH[U][C] = sz++; } u = Ch[u][c]; } Val[u] + +;}intQueryChar*s) {intAns =0; for(inti =0; s[i];i++) {intc = ID (s[i]);intU =0;intj =0; while(Ch[u][c]) {if(Val[ch[u][c]]) {ans + = val[ch[u][c]]; VAL[CH[U][C]] =0; } u = Ch[u][c]; j + +; c = ID (s[i+j]); } }printf("%d\n", ans);}Chars[1000005];intMain () {intT Freopen ("1.txt","R", stdin); Freopen ("2.txt","W", stdout);scanf("%d", &t); while(t--) {intNscanf("%d", &n);Chara[ -];memset(ch[0],0,sizeof(ch[0])); val[0]=0; SZ =1; for(inti =0; i < n;i++) {scanf('%s ', a); Insert (a); }scanf('%s ', s); query (s); }return 0;}
Bare dictionary tree when as long as more than 600 ms, write AC automaton but with more than 700 MS, and start when do not know where wrong, has been wa,tle,re,mle, where is the AC automaton ah, is clearly WA automatic machine, tle automaton, re automatic machine, MLE automaton Ah!
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Hdu2222ac automaton or bare dictionary tree