#include<cstdio>
#include<cstring>
#include<string>
#include<iostream>
#include<algorithm>
using namespace std;
void FailureFunction(char P[], int F[],int m){
int i,j;
F[0]=0; // assignment is important!
j=0;
i=1;
while(i<m){ // that i is less than the length of pattern
if(P[i]==P[j]){
F[i]=j+1;
i++;
j++;
}else if(j>0){
j=F[j-1];
}else {
F[i]=0;
i++;
}
}
}
int KMP(char T[], char P[]){
int i,j,F[100]; // the maximum size of Pattern String
int m=strlen(P);
int n=strlen(T);
FailureFunction(P,F,m);
i=0;
j=0;
while(i<n){
if(T[i]==P[j]){
if(j==m-1)
return i-j; // means, in (i-j)th position, there is a match occur
else{
i++;
j++;
}
}else if(j>0){
j=F[j-1];
}else{
i++;
}
}
return -1; // No match found
}
int main(int argc, char *argv[])
{
//freopen("in.txt","rt",stdin);
//freopen("out.txt","wt",stdout);
cout<<"0:0 1:0 2:0 3:1 4:0 5:0"<<endl;
char T[1000],P[100];
cout<<"teks"<<" = ";
while(gets(T)){
cout<<"pola"<<"=";
gets(P);
int pos=KMP(T,P);
if(pos!=-1)
cout<<"Ditemukan pada index ke- "<<pos<<endl;
else
cout<<"tidak ketemu"<<endl;
}
system ("color001e");
system("PAUSE");
return EXIT_SUCCESS;
}
Hasil Print Out
#include<cstring>
#include<string>
#include<iostream>
#include<algorithm>
using namespace std;
void FailureFunction(char P[], int F[],int m){
int i,j;
F[0]=0; // assignment is important!
j=0;
i=1;
while(i<m){ // that i is less than the length of pattern
if(P[i]==P[j]){
F[i]=j+1;
i++;
j++;
}else if(j>0){
j=F[j-1];
}else {
F[i]=0;
i++;
}
}
}
int KMP(char T[], char P[]){
int i,j,F[100]; // the maximum size of Pattern String
int m=strlen(P);
int n=strlen(T);
FailureFunction(P,F,m);
i=0;
j=0;
while(i<n){
if(T[i]==P[j]){
if(j==m-1)
return i-j; // means, in (i-j)th position, there is a match occur
else{
i++;
j++;
}
}else if(j>0){
j=F[j-1];
}else{
i++;
}
}
return -1; // No match found
}
int main(int argc, char *argv[])
{
//freopen("in.txt","rt",stdin);
//freopen("out.txt","wt",stdout);
cout<<"0:0 1:0 2:0 3:1 4:0 5:0"<<endl;
char T[1000],P[100];
cout<<"teks"<<" = ";
while(gets(T)){
cout<<"pola"<<"=";
gets(P);
int pos=KMP(T,P);
if(pos!=-1)
cout<<"Ditemukan pada index ke- "<<pos<<endl;
else
cout<<"tidak ketemu"<<endl;
}
system ("color001e");
system("PAUSE");
return EXIT_SUCCESS;
}
Hasil Print Out
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