Cod sursa(job #2474126)
Utilizator | Lucian Trepteanu LucianT | Data | 14 octombrie 2019 19:08:39 |
---|---|---|---|
Problema | Generare de permutari | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.57 kb |
#include <fstream>
using namespace std;
const int maxN=21;
int n;
int stk[maxN];
bool used[maxN];
ifstream f("permutari.in");
ofstream g("permutari.out");
void bkt(int k){
if(k==n+1){
for(int i=1;i<=n;i++){
g<<stk[i]<<' ';
}
g<<'\n';
return;
}
for(int i=1;i<=n;i++){
if(!used[i]){
stk[k]=i;
used[i]=true;
bkt(k+1);
stk[k]=0;
used[i]=false;
}
}
}
int main(){
f>>n;
bkt(1);
return 0;
}