Cod sursa(job #1539702)

Utilizator theodor1289Theodor Amariucai theodor1289 Data 1 decembrie 2015 14:11:10
Problema Lista lui Andrei Scor 15
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.66 kb
#include <fstream>
#define MOD 104659
using namespace std;
ifstream fin("nrcuv.in");
ofstream fout("nrcuv.out");
bool imposib[27][27];
unsigned int nrcuv[1001][27];

int main()
{
    int n, m, s=0;
    char x, y;
    fin>>n>>m;
    for(int i=1;i<=m;i++)
    {
        fin>>x>>y;
        imposib[x-'a'][y-'a']=imposib[y-'a'][x-'a']=1;
    }

    for(int i=0;i<26;i++)
        nrcuv[1][i]=1;

    for(int i=2;i<=n;i++)
    {
        s=0;
        for(int k=0;k<26;k++)
        for(int j=0;j<26;j++)
            if(!imposib[k][j])
            nrcuv[i][k]=(nrcuv[i][k]+nrcuv[i-1][k])%MOD,nrcuv[i][26]++;
    }

    fout<<nrcuv[n][26];
    return 0;
}