Pagini recente » Cod sursa (job #2102987) | Cod sursa (job #2777740) | Cod sursa (job #233576) | Cod sursa (job #1737954) | Cod sursa (job #1779846)
#include <stdio.h>
#define MOD 104659
char mat[26][26];
int cuv[1000][26];
int main()
{
FILE *fin,*fout;
fin=fopen("nrcuv.in","r");
fout=fopen("nrcuv.out","w");
int n,m,rez,i,j,k;
char a,b;
fscanf(fin,"%d%d",&n,&m);
fgetc(fin);
for(i=0;i<m;i++)
{
a=fgetc(fin);fgetc(fin);
b=fgetc(fin);fgetc(fin);
mat[a-'a'][b-'a']=mat[b-'a'][a-'a']=1;
}
for(i=0;i<26;i++)
cuv[0][i]=1;
for(i=1;i<n;i++)
for(j=0;j<26;j++)
for(k=0;k<26;k++)
if(!mat[j][k])
cuv[i][k]=(cuv[i][k]+cuv[i-1][j])%MOD;
rez=0;--n;
for(i=0;i<26;i++)
rez=(rez+cuv[n][i])%MOD;
fprintf(fout,"%d",rez);
fclose(fin);
fclose(fout);
return 0;
}