Cod sursa(job #3166254)

Utilizator Theo20067Cismaru Theodor-Alexe Theo20067 Data 8 noiembrie 2023 00:11:06
Problema Lista lui Andrei Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.6 kb
#include <fstream>
#define MOD 104659
using namespace std;
ifstream fin ("nrcuv.in");
ofstream fout("nrcuv.out");
long long n,m,i,j,l,S,D[1002][28],F[28][28];
char a,b;
int main ()
{
    fin>>n>>m;
    for(i=1;i<=m;i++)
    {
        fin>>a>>b;
        F[a-96][b-96]=1;
        F[b-96][a-96]=1;
    }
    for(i=1;i<=26;i++)
        D[1][i]=1LL;
    for(i=2;i<=n;i++)
        for(j=1;j<=26;j++)
            for(l=1;l<=26;l++)
                if(!F[j][l])
                    D[i][j]=(D[i][j]+D[i-1][l])%MOD;
    for(i=1;i<=26;i++)
        S=(S+D[n][i])%MOD;
    fout<<S;
    return 0;
}