제출 #1348243

#제출 시각아이디문제언어결과실행 시간메모리
1348243killerzaluuToys (CEOI18_toy)C++20
100 / 100
295 ms4356 KiB
#include <bits/stdc++.h>
using namespace std;

long long n;
set<long long> s;

void dfs(long long x, long long last, long long sum, long long cnt) {
    s.insert(sum + x - (cnt + 1));

    for (long long d = last; d * d <= x; d++) {
        if (x % d == 0) {
            dfs(x / d, d, sum + d, cnt + 1);
        }
    }
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    cin >> n;

    dfs(n, 2, 0, 0);

    cout << s.size() << '\n';
    bool first = true;
    for (long long x : s) {
        if (!first) cout << ' ';
        first = false;
        cout << x;
    }
    cout << '\n';

    return 0;
}
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