Potrivire_ajutor

#include <bits/stdc++.h>
using namespace std;
ifstream f("potrivire.in");
ofstream g("potrivire.out");
int n,m,x,nr,sum;
string cif,str;
unordered_map<string,bool> M;

int main()
{
    f>>n;
    cif+='0';
    for (int i=1;i<=n;++i)
        f>>x,cif+=char(x+'0');
    for(int i=1;i<=n;++i)
    {
        str.clear();
        for (int j=0;i+j<=n&&j<5;++j)
            str+=cif[i+j],M[str]=true;
    }
    f>>m;
    for(int i=1;i<=m;++i)
    {
        f>>str;
        if(M[str])
        {
            nr=0;
            for(size_t j=0;j<str.size();++j)
                nr=nr*10+str[j]-'0';
            sum+=nr;
            M[str]=false;
        }
    }
    g<<sum;
}