Cod sursa(job #573233)
| Utilizator | Data | 6 aprilie 2011 08:10:07 | |
|---|---|---|---|
| Problema | Lista lui Andrei | Scor | 30 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.5 kb |
#include<iostream.h>
#include<fstream.h>
#define MODULO 104659
int n,i,j,k,S[26][1000],A[26][26],l,sum;
char c1,c2;
int main(){
ifstream f("nrcuv.in");
ofstream g("nrcuv.out");
f>>n>>k;
for (i=1;i<=k;i++){
f>>c1>>c2;
A[c1-'a'][c2-'a']=A[c2-'a'][c1-'a']=1;
}
for (i=0;i<=25;i++)
S[i][1]=1;
for (j=2;j<=n;j++)
for (i=0;i<=25;i++)
for ( l=0; l<=25; l++)
if ( A[i][l]==0)
S[i][j]+=S[l][j-1];
for (i=0;i<=25;i++)
sum+=S[i][n];
g<<sum % MODULO;
return 0;
}