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Cod sursa(job #158172)
#include<fstream.h>
int n,K,st[100];
ifstream fin("combinari.in");
ofstream fout("combinari.out");
void afisare(){
for(int i=1;i<=K;i++)
fout<<st[i]<<" ";
fout<<'\n';
}
void back(int k){
if(k==K+1)
afisare();
else
for(int i=st[k-1]+1;i<=n;i++){
st[k]=i;
back(k+1);
}
}
int main(){
fin>>n>>K;
back(1);
fin.close();
fout.close();
return 0;
}