Cod sursa(job #2878594)
Utilizator | Data | 27 martie 2022 12:48:55 | |
---|---|---|---|
Problema | Problema Damelor | Scor | 90 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.76 kb |
#include <iostream>
#include <cmath>
#include <fstream>
using namespace std;
ifstream f("damesah.in");
ofstream g("damesah.out");
int v[20],j,n,cnt=0;;
int ok(int j)
{
for(int i=1;i<j;i++)
if(v[i]==v[j]||fabs(v[i]-v[j])==fabs(i-j))
return 0;
return 1;
}
void afisare()
{
if(cnt==0)
{
for(int i=1;i<=n;i++)
{
g<<v[i]<<" ";
}
}
cnt++;
}
void bkt(int i)
{
for(int j=1;j<=n;j++)
{
v[i]=j;
if(ok(i))
{
if(i==n)
afisare();
else
bkt(i+1);
}
}
}
int main()
{
f>>n;
bkt(1);
g<<'\n'<<cnt;
return 0;
}