Cod sursa(job #1011204)

Utilizator RaduGabriel2012Dinu Radu RaduGabriel2012 Data 16 octombrie 2013 16:21:00
Problema Lista lui Andrei Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.58 kb
#include <iostream>
#include <fstream>
using namespace std;
ifstream f("nrcuv.in");
ofstream g("nrcuv.out");
int n,m,p[1005][28],ok[28][28],mod=104659,sol=0;
int main()
{ int i,j,t; char c1,c2;
    f>>n>>m;

    for(i=1;i<=m;i++)
    { f>>c1>>c2;
      ok[c1-96][c2-96]=1;
      ok[c2-96][c1-96]=1;
    }


  for(j=1;j<=26;j++)
   p[1][j]=1;

    for(i=2;i<=n;i++)
     for(j=1;j<=26;j++)
      for(t=1;t<=26;t++)
     if (!ok[j][t])
      {p[i][j]+=p[i-1][t];
       p[i][j]%=mod;}

    for(i=1;i<=26;i++)
     {sol+=p[n][i]; sol%=mod;}

  g<<sol;
    return 0;
}