Submission #464975

#	Time	Username	Problem	Language	Result	Execution time	Memory
464975		JovanB	Toys (CEOI18_toy)	C++17	100 / 100	2032 ms	4388 KiB

toy

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;

set <int> q;

void dfs(int n, int sum, int last){
    if(n == 1) q.insert(sum);
    for(int i=1; i*i<=n; i++){
        if(n%i == 0){
            if(i >= last) dfs(n/i, sum+i-1, i);
            if(i != n/i && n/i >= last) dfs(i, sum+n/i-1, n/i);
        }
    }
}

int main() {
    ios_base::sync_with_stdio(false);
    cout.precision(10);
    cout << fixed;
    
    int n;
    cin >> n;
    dfs(n, 0, 2);
    cout << q.size() << "\n";
    for(auto c : q) cout << c << " ";
    return 0;
}

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