Cod sursa(job #2472696)

Utilizator DavidTurtureanCDavid Turturean DavidTurtureanC Data 12 octombrie 2019 18:30:49
Problema Abc2 Scor 0
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 1.15 kb
#include <bits/stdc++.h>
using namespace std;
ifstream fin("abc2.in");
ofstream fout("abc2.out");
char s[10000005],c[22];  long long i,siz,auxmod,modi=700001,len,lens,gasit,j;
long long nr,p=1; bool ok;
vector<int> v[700001];
int main()
{
    //citire text
    fin.getline(s,10000000);
    fin.getline(c,20); len=strlen(c);
    for(i=nr=0;i<len;i++)nr=nr*3+(c[i]-'a');
    v[nr%modi].push_back(nr);
    while(fin.getline(c,20)){
            for(i=nr=0;i<len;i++)nr=nr*3+(c[i]-'a');
            auxmod=nr%modi;
            for(i=0,ok=0;i<v[auxmod].size();i++)if(v[auxmod].at(i)==nr){ok=1; break;}
            if(!ok)v[auxmod].push_back(nr);
    }
    for(i=2;i<=len;i++)p*=3; lens=strlen(s);
    for(i=nr=0;i<len && i<lens;i++)nr=nr*3+(s[i]-'a');
    while(i<lens){
            auxmod=nr%modi;
            for(j=0,ok=0;j<v[auxmod].size();j++)if(v[auxmod].at(j)==nr){ok=1;break;}
            if(ok)gasit++;
        nr=(nr-(s[i-len]-'a')*p)*3+(s[i]-'a');
        i++;
    }
    auxmod=nr%modi;
            for(j=0,ok=0;j<v[auxmod].size();j++)if(v[auxmod].at(j)==nr){ok=1;break;}
            if(ok)gasit++;
    fout<<gasit;

    return 0;
}