Pagini recente » Cod sursa (job #881332) | Cod sursa (job #24952) | Cod sursa (job #1572936) | Cod sursa (job #2026783) | Cod sursa (job #1535583)
#include <stdio.h>
#define mod 104659
using namespace std;
int reg[26*26+1];
int main()
{
freopen("nrcuv.in","r",stdin);
freopen("nrcuv.out","w",stdout);
int n,m,i,nrreg=0;
int v[1001];v[1]=26;
char x,y;
scanf("%d%d",&n,&m);
for(i=0;i<m;i++)
{
scanf("\n%c %c",&x,&y);
reg[(x-97)*26+(y-97)]++;
reg[(y-97)*26+(x-97)]++;
}
for(i=0;i<676;i++)
if(reg[i]!=0) nrreg++;
for(i=2;i<=n;i++)
v[i]=(v[i-1]*26-nrreg)%mod;
printf("%d",v[n]);
return 0;
}