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Cod sursa(job #514064)
#include<iostream>
#include<fstream>
using namespace std;
int sol[9],n,k;
ifstream aa("combinari.in");
ofstream ss("combinari.out");
void back(int p);
int main () {
aa >> n >> k;
back(1);
aa.close();
ss.close();
return 0;
}
void back(int p) {
int i;
if (p>k) {
for (i=1;i<=k;++i)
ss << sol[i] << ' ';
ss << "\n";
return;
}
for(i=1+sol[p-1];i<=n;++i) {
//if (i>sol[p-1]){
sol[p]=i;
back(p+1);
//}
}
}