Cod sursa(job #1512764)

Utilizator Julian.FMI Caluian Iulian Julian. Data 28 octombrie 2015 16:43:24
Problema Lista lui Andrei Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.78 kb
#include <iostream>
#include <fstream>
#define mod 104659
using namespace std;
ifstream fin("nrcuv.in");
ofstream fout("nrcuv.out");
int viz[30][30];
int nr[28][1007];
int main()
{long n,m,i,j,k;
    fin>>n>>m;
    char a,b;

    for(i=1;i<=m;i++)
    {
        fin>>a>>b;
        viz[a-'a'+1][b-'a'+1]=1;
        viz[b-'a'+1][a-'a'+1]=1;
    }
    for(i=1;i<=26;i++)
        nr[i][1]=1;
    for(i=2;i<=n;i++)
    {
        for(j=1;j<=26;j++)
            for(k=1;k<=26;k++)
            if(viz[j][k]==0)
            nr[k][i]=(nr[k][i]+nr[j][i-1])%mod;
    }
/*
    for(j=1;j<=26;j++)
       {for(i=1;i<=n;i++)
            cout<<nr[j][i]<<' ';
        cout<<endl;}
*/

    long suma=0;
    for(i=1;i<=26;i++)
        suma=(suma+nr[i][n])%mod;
    fout<<suma;

}