Cod sursa(job #852350)
Utilizator | Data | 11 ianuarie 2013 03:22:46 | |
---|---|---|---|
Problema | Generare de permutari | Scor | 20 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.38 kb |
#include<fstream>
using namespace std;
int a[50000],b[50000];
ifstream f("permutari.in");
ofstream g("permutari.out");
void bk(int k, int n){
if(k-1==n){
for(int i=1;i<k;i++)
g<<a[i];
g<<'\n';
}
else{
for(int i=1;i<=n;i++)
if(!b[i]){
a[k]=i;
b[i]=1;
bk(k+1,n);
b[i]=0;
}
}
}
int main(){
int n;
f>>n;
bk(1,n);
return 0;
}