Cod sursa(job #2738699)
Utilizator | Dragan Andrei AndreiD31 | Data | 6 aprilie 2021 11:22:41 |
---|---|---|---|
Problema | Problema Damelor | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.79 kb |
#include <bits/stdc++.h>
using namespace std;
ifstream f("damesah.in");
ofstream g("damesah.out");
int OK=1,n,nr,sol[15],fv1[101],fv2[101],fv3[101];
void beck(int k)
{
int dif;
if(k==n+1)
{
nr++;
if(OK)
{
OK=0;
for(int i=1;i<k;i++)g<<sol[i]<<" ";
}
}
else
{
for(int i=1;i<=n;i++)
{
sol[k]=i;
if(k>i)dif=k-i;
else dif=(i-k)+50;
fv1[i]++;
fv2[dif]++;
fv3[k+i]++;
if(fv1[i]==1 && fv2[dif]==1 && fv3[k+i]==1)beck(k+1);
fv1[i]--;
fv2[dif]--;
fv3[k+i]--;
}
}
}
int main()
{
f>>n;
beck(1);
g<<'\n'<<nr;
return 0;
}