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- #include<bits/stdc++.h>
- using namespace std;
- int n,k;
- vector<int>rs;
- void afisare(){
- if(rs.size()==k){
- for(int i=0;i<rs.size()-1;i++)
- cout<<rs[i]<<'+';
- cout<<rs[rs.size()-1]<<endl;}
- }
- void back(int i,int n){
- if(n==0)
- afisare();
- for(int j=i;j<=n;j++){
- rs.push_back(j);
- back(j,n-j);
- rs.pop_back();
- }
- }
- int main(){
- cin>>n;
- cout<<"Dati k:";cin>>k;
- back(1,n);
- return 0;
- }
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