Cod sursa(job #1809496)

Utilizator cicero23catalin viorel cicero23 Data 18 noiembrie 2016 23:28:04
Problema Prefix Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.71 kb
#include <iostream>
#include <fstream>
#include <cstring>
using namespace std;
ifstream f("prefix.in");
ofstream g("prefix.out");
char s[200];
int urm[201];
void prefix()
{
    int i,k=0;
    urm[1]=0;
    for(i=2;i<=strlen(s);i++)
    {
        while(k>0&&s[k]!=s[i-1])
            k=urm[k];
        if(s[k]==s[i-1])k++;
        urm[i]=k;
    }

}
void kmp()
{
    int i,k=0;
    for(i=strlen(s);i>=1;i--)
    {
        if(urm[i]!=0&&(i%(i-urm[i]))==0)
        {
            g<<i<<'\n';
            break;
        }
        if(i==1) g<<0<<'\n';
    }
}
int main()
{
    int n,i;
    f>>n;
    f.get();
    for(i=1;i<=n;i++)
    {
    f.getline(s,200);
    prefix();
    kmp;
    }
}