Cod sursa(job #2114906)

Utilizator LauraNaduLaura Nadu LauraNadu Data 26 ianuarie 2018 07:49:13
Problema Lista lui Andrei Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.82 kb
#include<fstream>
using namespace std;
ifstream f("nrcuv.in");
ofstream g("nrcuv.out");
int n, sol, m, viz[30][30], fr[30], nr[1008][30];
char a, b;
int main()
{
    f>>n>>m;
    for(int i=1;i<=m;i++)
    {
        f>>a>>b;
        viz[a-'a'][b-'a']=1;
        viz[b-'a'][a-'a']=1;
    }
    for(int k=1;k<=n;k++)
    {
        if(k==1)
            for(int i=0;i<26;i++)
                nr[1][i]=1;
        for(int i=0;i<26;i++)
        {
            for(int j=0;j<26;j++)
                if(viz[i][j]==0)
                {
                    nr[k][i]+=nr[k-1][j];
                    nr[k][i]%=104659;
                }
            //if(k==n)
                //sol+=nr[n][i];
        }
    }
    for(int i=0;i<26;i++)
    {
        sol+=nr[n][i];
        sol%=104659;
    }
    g<<sol;
    return 0;
}