Cod sursa(job #2681752)
Utilizator | Swan Katherine Katherine456719 | Data | 6 decembrie 2020 16:33:14 |
---|---|---|---|
Problema | Combinari | Scor | 100 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva educationala | Marime | 0.66 kb |
#include <bits/stdc++.h>
using namespace std;
int v[20],viz[20];
ifstream fin("combinari.in");
ofstream fout("combinari.out");
void backt(int current, int n,int k,int last)
{
if(current == k + 1)
{
for(int i = 1;i <= k; ++i)
fout << v[i] << " ";
fout<<"\n";
}
else{
for(int i = last + 1;i <= n;++i)
if(!viz[i])
{
viz[i] = 1;
v[current] = i;
backt(current + 1, n, k, i);
viz[i] = 0;
}
}
}
int main() {
int n, k;
fin >> n >> k;
for(int i = 1; i <= n; ++i)
v[i] = i;
backt(1, n, k, 0);
return 0;
}