Submission #1103931

#	Time	Username	Problem	Language	Result	Execution time	Memory
1103931		ezzzay	Toys (CEOI18_toy)	C++14	59 / 100	5054 ms	688 KiB

toy

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define ff first
#define ss second
#define pb push_back
int m,n;
vector<int>v;
set<int>st;
void fun(int x, int p, int k){
    if(x==1){
        st.insert(k);
        return;
    }
    for(int i=p;i<=n;i++){
        if(x%i==0){
            v.pb(i);
            fun(x/i,i,k+i-1);
            v.pop_back();
        }
    }
}
signed main(){
    cin>>n;
    m=sqrt(n);
    fun(n,2,0);
    cout<<st.size()<<endl;
    for(auto a:st)cout<<a<<" ";
}

• Subtask 1: 19 / 19
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 21