Cod sursa(job #3165613)

Utilizator radu._.21Radu Pelea radu._.21 Data 6 noiembrie 2023 16:45:08
Problema Lista lui Andrei Scor 100
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.71 kb
#include <fstream>



using namespace std;
int n,m,lista[200][200],dp[1001][1001];
#define mod 104659
ifstream fin("nrcuv.in");
ofstream fout("nrcuv.out");
int main(){
    fin>>n>>m;
    while(m--){
        char a,b; fin>>a>>b;
        int c1=a-'a'+1;
        int c2=b-'a'+1;
        lista[c1][c2]=lista[c2][c1]=1;
    }
    for(int i=1;i<=26;i++)
        dp[1][i]=1;
    for(int lun=2;lun<=n;lun++)
        for(int lit=1;lit<=26;lit++)
            for(int j=1;j<=26;j++)
                if(lista[j][lit]==0) /// le pot uni
                    dp[lun][lit]+=dp[lun-1][j],dp[lun][lit]%=mod;
    int rez=0;
    for(int i=1;i<=26;i++)
        rez+=dp[n][i],rez%=mod;
    fout<<rez;
    return 0;
}