Cod sursa(job #2030720)
Utilizator | Data | 2 octombrie 2017 00:40:41 | |
---|---|---|---|
Problema | Problema Damelor | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.72 kb |
#include <fstream>
using namespace std;
ifstream fin ("damesah.in");
ofstream fout ("damesah.out");
int n,i,nr,v[101],c[101],d1[101],d2[101];
int back(int niv){
if(niv>n)
if(nr==0){
for(int i=1;i<=n;i++)
fout<<v[i]<<" ";
fout<<"\n";
++nr;
}
else
++nr;
for(int i=1;i<=n;i++){
if(c[i]==0 && d1[i+niv]==0 && d2[i-niv+n+1]==0){
v[niv]=i;
c[i]=1;
d1[i+niv]=1;
d2[i-niv+n+1]=1;
back(niv+1);
c[i]=0;
d1[i+niv]=0;
d2[i-niv+n+1]=0;
}
}
}
int main(){
fin>>n;
back(1);
fout<<nr;
}