Cod sursa(job #2228396)
Utilizator | Andrei Sontea andreisontea01 | Data | 3 august 2018 15:51:49 |
---|---|---|---|
Problema | Generare de permutari | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.59 kb |
#include <fstream>
#include <iostream>
using namespace std;
int v[10];
bool block[10];
int n;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
void backtrack(int pos){
if(pos == n + 1){
for(int i = 1; i <= n; ++i)
fout << v[i] << " ";
fout << "\n";
return;
}
for(int i = 1; i <= n; ++i){
if(!block[i]){
v[pos] = i;
block[i] = 1;
backtrack(pos + 1);
v[pos] = 0;
block[i] = 0;
}
}
return;
}
int main()
{
fin >> n;
backtrack(1);
return 0;
}