Cod sursa(job #2263300)
Utilizator | Data | 18 octombrie 2018 16:24:48 | |
---|---|---|---|
Problema | Generare de permutari | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.44 kb |
#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n, a[100];
bool v[100];
void back(int lvl=1) {
for(int i=1; i<=n; i++)
if(!v[i]) {
a[lvl]=i;
v[i]=1;
if(lvl!=n)
back(lvl+1);
v[i]=0;
}
if(lvl==n) {
for(int i=1; i<=n; i++)
fout<<a[i]<<' ';
fout<<'\n';
}
}
int main() {
ios_base::sync_with_stdio(0);
fin>>n;
back();
return 0;
}