제출 #528972

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
528972		Lobo	Toys (CEOI18_toy)	C++17	100 / 100	717 ms	33476 KiB

toy

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

const long long inf = (long long) 1e18 + 10;
const int inf1 = (int) 1e9 + 10;
#define int long long
#define dbl long double
#define endl '\n'
#define sc second
#define fr first
#define mp make_pair
#define pb push_back
#define all(x) x.begin(), x.end()

#define maxn 

vector<int> dv, ans;
set<pair<int,pair<int,int>>> ss;

void br(int s, int n, int id) {
    // cout << s << " " << n << " " << id << endl;
    if(n == 1) {
        ans.pb(s);
        return;
    }
    if(id == dv.size()) return;

    br(s,n,id+1);
    if(n%dv[id] == 0) br(s+dv[id]-1,n/dv[id],id);
}

void solve() {
    int n;
    cin >> n;
    dv.pb(n);
    for(int i = 2; i*i <= n; i++) {
        if(n%i == 0) {
            dv.pb(i);
            if(n/i != i) dv.pb(n/i);
        }
    }
    sort(all(dv), greater<int>());
    dv.erase(unique(all(dv)),dv.end());

    br(0,n,0);

    sort(all(ans));
    ans.erase(unique(all(ans)),ans.end());
    cout << ans.size() << endl;
    for(auto x : ans) cout << x << " ";
    cout << endl;
}

int32_t main() {
    ios::sync_with_stdio(false); cin.tie(0);

    // freopen("in.in", "r", stdin);
    //freopen("out.out", "w", stdout);

    int tt = 1;
    // cin >> tt;
    while(tt--) solve();

}

컴파일 시 표준 에러 (stderr) 메시지

toy.cpp: In function 'void br(long long int, long long int, long long int)':
toy.cpp:26:11: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |     if(id == dv.size()) return;
      |        ~~~^~~~~~~~~~~~

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