Cod sursa(job #368895)
Utilizator | Buleandra Cristian Cristy94 | Data | 26 noiembrie 2009 13:35:23 |
---|---|---|---|
Problema | Lista lui Andrei | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.46 kb |
#include<fstream.h>
ifstream f("nrcuv.in");
ofstream g("nrcuv.out");
int a[40][40],nr[1001][40],i,j,k,n,m,s;
char x,y;
int main(){
f>>n>>m;
for(i=1;i<=m;i++){
f>>x>>y;
x=x-96;
y=y-96;
a[x][y]=1;
a[y][x]=1;
}
for(i=1;i<='z'-96;i++)
nr[1][i]=1;
for(i=2;i<=n;i++)
for(j=1;j<='z'-96;j++)
for(k=1;k<='z'-96;k++)
{ if(a[j][k]==0)
nr[i][j]=(nr[i][j]+nr[i-1][k])%104659;
}
for(i=1;i<='z'-96;i++)
s=s+nr[n][i];
g<<s%104659;
return 0;
}