Cod sursa(job #2498454)
| Utilizator | Data | 23 noiembrie 2019 22:13:00 | |
|---|---|---|---|
| Problema | Problema Damelor | Scor | 100 |
| Compilator | cpp-64 | Status | done |
| Runda | Arhiva educationala | Marime | 0.77 kb |
#include <fstream>
using namespace std;
ifstream fin("damesah.in");
ofstream fout("damesah.out");
int n,ok,v[50],c[50],dp[50],ds[50];
void backt(int poz){
if(poz>n){
if(ok==0){
for(int i=1;i<=n;i++){
fout<<v[i]<<" ";
}
fout<<"\n";
}
ok++;
}
else{
for(int i=1;i<=n;i++){
if(c[i]==0 && dp[poz-i+n]==0 && ds[i+poz]==0){
v[poz]=i;
c[i]=1;
dp[poz-i+n] =1;
ds[i+poz] =1;
backt(poz+1);
c[i]=0;
dp[poz-i+n] =0;
ds[i+poz] =0;
}
}
}
}
int main(){
fin>>n;
backt(1);
fout<<ok;
}
