Cod sursa(job #492710)

Utilizator GavrilaVladGavrila Vlad GavrilaVlad Data 15 octombrie 2010 17:06:33
Problema Abc2 Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.95 kb
#include <stdio.h>
#include <bitset>
#include <string>

using namespace std;

#define maxn 10000010
#define maxl 1000001
int n, i, j, ok, sol, x, nc, nn, lg;
char s[maxn];
char c[25];
struct trie
{
    int f[3];
    int t;
} v[maxl];

int main()
{
    freopen("abc2.in", "r", stdin);
    freopen("abc2.out", "w", stdout);
    gets(s+1);
    nc=nn=1;
    while(gets(c+1))
    {
        lg=1;
        nc=1;
        while(c[lg]>0)
        {
            x=c[lg]-'a';
            if(v[nc].f[x]==0)
            {
                ++nn;
                v[nc].f[x]=nn;
            }
            nc=v[nc].f[x];
            ++lg;
        }
    }
    lg--;
    for(int i=1; s[i+lg-1]!=0; ++i)
    {
        ok=nc=1;
        for(int j=1; j<=lg; ++j)
        {
            if(v[nc].f[s[i+j-1]-'a']==0)
            {
                ok=0;
                break;
            }
            nc=v[nc].f[s[i+j-1]-'a'];
        }
        sol+=ok;
    }
    printf("%d\n", sol);
    return 0;
}