Submission #463828

#	Time	Username	Problem	Language	Result	Execution time	Memory
463828		Mamedov	Toys (CEOI18_toy)	C++17	100 / 100	658 ms	4324 KiB

toy

#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
#define ll long long
#define ui unsigned int
#define pii pair<int, int>
#define piii pair<int, pii>
#define pb push_back
#define f first
#define s second
#define oo (1ll << 60)

using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

set<int>s;
void solve(int n, int d, int sum) {
    s.insert(sum + n - 1);
    for(int i = d; i * i <= n; ++i) {
        if(n % i == 0) {
            solve(n / i, i, sum + i - 1);
        }
    }
}
void solve() {
    int n;
    cin >> n;
    solve(n, 2, 0);
    cout << (int)s.size() << '\n';
    for(int c : s) {
        cout << c << ' ';
    }
    cout << '\n';
}
int main() {
    ios_base::sync_with_stdio(false);
    int t = 1;
    while(t--) {
        solve();
    }
    return 0;
}

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