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Cod sursa(job #918807)
#include<iostream>
#include<fstream>
using namespace std;
ifstream in("combinari.in");
ofstream out("combinari.out");
int s[100],n,i,m;
void afis(){
for(int i=1;i<=m;i++)
out<<s[i]<<" ";
out<<'\n';}
void init(int k){
if(k==1)s[k]=0;
else s[k]=s[k-1];}
void bkt(int k){
if(k==m+1)afis();
else{init(k);
while(s[k]<n-m+k){s[k]++;
bkt(k+1);}
}
}
int main(){
in>>n>>m;
bkt(1);
return 0;
}