Cod sursa(job #998858)

Utilizator alex_HarryBabalau Alexandru alex_Harry Data 18 septembrie 2013 15:44:29
Problema Lista lui Andrei Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.85 kb
#include <fstream>
using namespace std;
ifstream f("nrcuv.in");
ofstream g("nrcuv.out");
bool Matrix[30][30];
int Result[30][1002],N,M;
void Read()
{
    f>>N>>M;
    int i;
    for(i=1;i<=M;i++)
    {
        char ch1,ch2;
        f>>ch1>>ch2;
        Matrix[ch1-'a'+1][ch2-'a'+1]=Matrix[ch2-'a'+1][ch1-'a'+1]=1;
    }
}
void Solve()
{
    int i,j,counter=0;
    for(i=1;i<=26;i++)
        Result[i][1]=1;
    for(j=1;j<=N;j++)
    {
        for(i=1;i<=26;i++)
        {
            for(int k=1;k<=26;k++)
            {
                if(Matrix[i][k]==0)
                    Result[i][j]+=Result[k][j-1];
                Result[i][j]%=104659;
            }
        }
    }
    for(i=1;i<=26;i++)
        counter+=Result[i][N],counter%=104659;
    g<<counter<<"\n";
}
int main()
{
    Read();
    Solve();
    return 0;
}