Pagini recente » Cod sursa (job #2696389) | Cod sursa (job #644661) | Cod sursa (job #2274323) | Cod sursa (job #2884935) | Cod sursa (job #1122408)
#include <cstdio>
#include <cstdlib>
FILE *f=fopen("damesah.in","r"),*g=fopen("damesah.out","w");
int n,s,t[14];
void afisare()
{
int i;
for(i=1;i<=n;++i)
fprintf(g,"%d ",t[i]);
}
int valid(int k)
{
int i;
for(i=1;i<k;++i)
if(t[i]==t[k]||abs(t[i]-t[k])==k-i)
return 0;
return 1;
}
void bt(int k=1)
{
int i;
for(i=1;i<=n;++i)
{
t[k]=i;
if(valid(k))
{
if(k==n)
{
if(!s)
afisare();
++s;
}
else
bt(k+1);
}
}
}
int main()
{
fscanf(f,"%d",&n);
bt();
fprintf(g,"\n%d\n",s);
}