Cod sursa(job #3165819)

Utilizator Dia3141Costea Diana Stefania Dia3141 Data 6 noiembrie 2023 22:54:01
Problema Lista lui Andrei Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.67 kb
#include <fstream>
#define modulo 104659
using namespace std;
ifstream cin("nrcuv.in");
ofstream cout("nrcuv.out");
bool r[27][27];
int n,m,k,i,j,d[27][1005],sol;
char a,b;
int main()
{
    cin>>n>>m;
    for(i=1;i<=m;i++)
    {
        cin>>a>>b;
        r[a-'a'][b-'a']=r[b-'a'][a-'a']=1;
    }
    for(i=0;i<26;i++)
        d[i][1]=1;
    for(k=2;k<=n;k++)
    {
        for(i=0;i<26;i++)
        {
            for(j=0;j<26;j++)
            {
                if(!r[j][i])
                    d[i][k]=(d[i][k]+d[j][k-1])%modulo;
            }
        }
    }
    for(i=0;i<26;i++)
         sol=(sol+d[i][n])%modulo;
    cout<<sol;
    return 0;
}