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Cod sursa(job #577282)
#include<fstream.h>
ifstream fin("combinari.in");
ofstream fout("combinari.out");
int sol[20],uz[20],n,m;
void bkt(int k)
{
int i;
if(k>m)
{
for(i=1;i<=m;i++)
fout<<sol[i]<<' ';
fout<<'\n';
}
else
{
for(i=sol[k-1]+1;i<=n;i++)
{
if(!uz[i])
{
uz[i]=1;
sol[k]=i;
bkt(k+1);
uz[i]=0;
}
}
}
}
int main()
{
fin>>n>>m;
bkt(1);
return 0;
}