답안 #493240

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
493240	2021-12-10T13:31:08 Z	blue	Toys (CEOI18_toy)	C++17	79 / 100	2033 ms	68004 KB

#include <iostream>
#include <vector>
#include <set>
#include <algorithm>
#include <map>
#include <cassert>
using namespace std;

#define sz(x) (int(x.size()))
using vi = vector<int>;
using ll = long long;

// map< int, vector<int> > res;

vi sf;

long long n;

vector<int> res[40'000]; //i*i <= n
vector<int> res2[40'000]; //i*i >= n, access n/i.

vi solved(1+40'000, 0);
vi solved2(1+40'000, 0);

vector<int> factors[40'000];
vector<int> factors2[40'000];

vector<int>& get_res(long long u)
{
    if(u*u <= n) return res[u];
    else return res2[n/u];
}

vector<int>& get_factors(long long u)
{
    if(u*u <= n) return factors[u];
    else return factors2[n/u];
}

int& get_solved(long long u)
{
    if(u*u <= n) return solved[u];
    else return solved2[n/u];
}



void solve(long long i)
{
    if(get_solved(i)) return;
    else get_solved(i) = 1;

    vi ans(1, i-1);

    for(ll j: get_factors(i))
    {
        // cerr << "j = " << j << '\n';
        if(j >= i || j*j > i) break;
            // cerr << i << " -> " << j << '\n';
        long long u = j;
        long long v = i/j;
        solve(u);
        solve(v);
        for(int a: get_res(u))
        {
            for(int b: get_res(v))
            {
                // if(b > a) break;
                ans.push_back(a+b);
            }
        }

    }
    sort(ans.begin(), ans.end());
    ans.erase(unique(ans.begin(), ans.end()), ans.end());

    // for(int a: ans) cerr << "a = " << a << '\n';


    get_res(i) = ans;
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    cin >> n;
    assert(n <= 7'0000'0000);

    if(n == 1)
    {
        cout << "1\n 0\n";
        return 0;
    }



    for(int i = 2; i < n; i++)
    {
        // cerr << i << " " << n%i << ' ' << int(n%i == 0) << '\n';
        if(i*i > n) break;
        if(n % i == 0)
        {
            sf.push_back(i);
            sf.push_back(n/i);
        }
    }

    // for(int i = 2; i <= n; i++)
    // {
    //     // cerr << i << " " << n%i << ' ' << int(n%i == 0) << '\n';
    //     if(n % i == 0)
    //         sf.push_back(i);
    // }

    sf.push_back(n);

    sort(sf.begin(), sf.end());
    sf.erase(unique(sf.begin(), sf.end()), sf.end());

    // for(int q: sf) cerr << q << ' ';
    // cerr << '\n';

    for(int a: sf)
        for(int b: sf)
            if(a < b && b%a==0)
                get_factors(b).push_back(a);


    solve(n);
    vi ans = res2[1];

    // cerr << "sf init = " ;
    // for(int q: sf) cerr << q << " ";
    // cerr << "\n";


    cout << sz(ans) << '\n';
    for(int r: ans) cout << r << ' ';
    cout << '\n';
}

Subtask #1
19.0 / 19.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	4300 KB	Output is correct
2	Correct	2 ms	4300 KB	Output is correct
3	Correct	3 ms	4300 KB	Output is correct
4	Correct	3 ms	4300 KB	Output is correct
5	Correct	2 ms	4300 KB	Output is correct
6	Correct	3 ms	4300 KB	Output is correct
7	Correct	3 ms	4300 KB	Output is correct
8	Correct	2 ms	4300 KB	Output is correct
9	Correct	3 ms	4300 KB	Output is correct
10	Correct	3 ms	4300 KB	Output is correct
11	Correct	2 ms	4300 KB	Output is correct
12	Correct	2 ms	4300 KB	Output is correct
13	Correct	3 ms	4300 KB	Output is correct
14	Correct	2 ms	4300 KB	Output is correct
15	Correct	3 ms	4300 KB	Output is correct
16	Correct	3 ms	4300 KB	Output is correct
17	Correct	2 ms	4300 KB	Output is correct
18	Correct	2 ms	4300 KB	Output is correct
19	Correct	3 ms	4300 KB	Output is correct
20	Correct	2 ms	4300 KB	Output is correct
21	Correct	2 ms	4300 KB	Output is correct
22	Correct	3 ms	4352 KB	Output is correct
23	Correct	3 ms	4300 KB	Output is correct
24	Correct	3 ms	4300 KB	Output is correct
25	Correct	2 ms	4300 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	4300 KB	Output is correct
2	Correct	2 ms	4300 KB	Output is correct
3	Correct	3 ms	4300 KB	Output is correct
4	Correct	3 ms	4300 KB	Output is correct
5	Correct	2 ms	4300 KB	Output is correct
6	Correct	3 ms	4300 KB	Output is correct
7	Correct	3 ms	4300 KB	Output is correct
8	Correct	2 ms	4300 KB	Output is correct
9	Correct	3 ms	4300 KB	Output is correct
10	Correct	3 ms	4300 KB	Output is correct
11	Correct	2 ms	4300 KB	Output is correct
12	Correct	2 ms	4300 KB	Output is correct
13	Correct	3 ms	4300 KB	Output is correct
14	Correct	2 ms	4300 KB	Output is correct
15	Correct	3 ms	4300 KB	Output is correct
16	Correct	3 ms	4300 KB	Output is correct
17	Correct	2 ms	4300 KB	Output is correct
18	Correct	2 ms	4300 KB	Output is correct
19	Correct	3 ms	4300 KB	Output is correct
20	Correct	2 ms	4300 KB	Output is correct
21	Correct	2 ms	4300 KB	Output is correct
22	Correct	3 ms	4352 KB	Output is correct
23	Correct	3 ms	4300 KB	Output is correct
24	Correct	3 ms	4300 KB	Output is correct
25	Correct	2 ms	4300 KB	Output is correct
26	Correct	3 ms	4428 KB	Output is correct
27	Correct	2 ms	4428 KB	Output is correct
28	Correct	2 ms	4300 KB	Output is correct
29	Correct	2 ms	4300 KB	Output is correct
30	Correct	3 ms	4300 KB	Output is correct
31	Correct	3 ms	4428 KB	Output is correct
32	Correct	3 ms	4428 KB	Output is correct
33	Correct	3 ms	4428 KB	Output is correct
34	Correct	2 ms	4300 KB	Output is correct
35	Correct	2 ms	4300 KB	Output is correct
36	Correct	3 ms	4300 KB	Output is correct
37	Correct	3 ms	4428 KB	Output is correct
38	Correct	2 ms	4300 KB	Output is correct
39	Correct	3 ms	4300 KB	Output is correct
40	Correct	3 ms	4300 KB	Output is correct
41	Correct	3 ms	4300 KB	Output is correct
42	Correct	3 ms	4300 KB	Output is correct
43	Correct	3 ms	4300 KB	Output is correct
44	Correct	3 ms	4300 KB	Output is correct
45	Correct	3 ms	4300 KB	Output is correct
46	Correct	2 ms	4300 KB	Output is correct
47	Correct	3 ms	4300 KB	Output is correct
48	Correct	2 ms	4300 KB	Output is correct
49	Correct	3 ms	4300 KB	Output is correct

Subtask #3
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	4300 KB	Output is correct
2	Correct	2 ms	4300 KB	Output is correct
3	Correct	3 ms	4300 KB	Output is correct
4	Correct	3 ms	4300 KB	Output is correct
5	Correct	2 ms	4300 KB	Output is correct
6	Correct	3 ms	4300 KB	Output is correct
7	Correct	3 ms	4300 KB	Output is correct
8	Correct	2 ms	4300 KB	Output is correct
9	Correct	3 ms	4300 KB	Output is correct
10	Correct	3 ms	4300 KB	Output is correct
11	Correct	2 ms	4300 KB	Output is correct
12	Correct	2 ms	4300 KB	Output is correct
13	Correct	3 ms	4300 KB	Output is correct
14	Correct	2 ms	4300 KB	Output is correct
15	Correct	3 ms	4300 KB	Output is correct
16	Correct	3 ms	4300 KB	Output is correct
17	Correct	2 ms	4300 KB	Output is correct
18	Correct	2 ms	4300 KB	Output is correct
19	Correct	3 ms	4300 KB	Output is correct
20	Correct	2 ms	4300 KB	Output is correct
21	Correct	2 ms	4300 KB	Output is correct
22	Correct	3 ms	4352 KB	Output is correct
23	Correct	3 ms	4300 KB	Output is correct
24	Correct	3 ms	4300 KB	Output is correct
25	Correct	2 ms	4300 KB	Output is correct
26	Correct	3 ms	4428 KB	Output is correct
27	Correct	2 ms	4428 KB	Output is correct
28	Correct	2 ms	4300 KB	Output is correct
29	Correct	2 ms	4300 KB	Output is correct
30	Correct	3 ms	4300 KB	Output is correct
31	Correct	3 ms	4428 KB	Output is correct
32	Correct	3 ms	4428 KB	Output is correct
33	Correct	3 ms	4428 KB	Output is correct
34	Correct	2 ms	4300 KB	Output is correct
35	Correct	2 ms	4300 KB	Output is correct
36	Correct	3 ms	4300 KB	Output is correct
37	Correct	3 ms	4428 KB	Output is correct
38	Correct	2 ms	4300 KB	Output is correct
39	Correct	3 ms	4300 KB	Output is correct
40	Correct	3 ms	4300 KB	Output is correct
41	Correct	3 ms	4300 KB	Output is correct
42	Correct	3 ms	4300 KB	Output is correct
43	Correct	3 ms	4300 KB	Output is correct
44	Correct	3 ms	4300 KB	Output is correct
45	Correct	3 ms	4300 KB	Output is correct
46	Correct	2 ms	4300 KB	Output is correct
47	Correct	3 ms	4300 KB	Output is correct
48	Correct	2 ms	4300 KB	Output is correct
49	Correct	3 ms	4300 KB	Output is correct
50	Correct	6 ms	4556 KB	Output is correct
51	Correct	5 ms	4556 KB	Output is correct
52	Correct	6 ms	4556 KB	Output is correct
53	Correct	6 ms	4496 KB	Output is correct
54	Correct	4 ms	4364 KB	Output is correct
55	Correct	9 ms	4700 KB	Output is correct
56	Correct	8 ms	4616 KB	Output is correct
57	Correct	7 ms	4556 KB	Output is correct
58	Correct	2 ms	4300 KB	Output is correct
59	Correct	3 ms	4300 KB	Output is correct
60	Correct	3 ms	4428 KB	Output is correct
61	Correct	5 ms	4556 KB	Output is correct
62	Correct	5 ms	4428 KB	Output is correct
63	Correct	3 ms	4428 KB	Output is correct
64	Correct	3 ms	4300 KB	Output is correct
65	Correct	4 ms	4428 KB	Output is correct
66	Correct	2 ms	4300 KB	Output is correct
67	Correct	2 ms	4300 KB	Output is correct
68	Correct	3 ms	4300 KB	Output is correct
69	Correct	3 ms	4296 KB	Output is correct
70	Correct	3 ms	4348 KB	Output is correct

Subtask #4
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	4300 KB	Output is correct
2	Correct	2 ms	4300 KB	Output is correct
3	Correct	3 ms	4300 KB	Output is correct
4	Correct	3 ms	4300 KB	Output is correct
5	Correct	2 ms	4300 KB	Output is correct
6	Correct	3 ms	4300 KB	Output is correct
7	Correct	3 ms	4300 KB	Output is correct
8	Correct	2 ms	4300 KB	Output is correct
9	Correct	3 ms	4300 KB	Output is correct
10	Correct	3 ms	4300 KB	Output is correct
11	Correct	2 ms	4300 KB	Output is correct
12	Correct	2 ms	4300 KB	Output is correct
13	Correct	3 ms	4300 KB	Output is correct
14	Correct	2 ms	4300 KB	Output is correct
15	Correct	3 ms	4300 KB	Output is correct
16	Correct	3 ms	4300 KB	Output is correct
17	Correct	2 ms	4300 KB	Output is correct
18	Correct	2 ms	4300 KB	Output is correct
19	Correct	3 ms	4300 KB	Output is correct
20	Correct	2 ms	4300 KB	Output is correct
21	Correct	2 ms	4300 KB	Output is correct
22	Correct	3 ms	4352 KB	Output is correct
23	Correct	3 ms	4300 KB	Output is correct
24	Correct	3 ms	4300 KB	Output is correct
25	Correct	2 ms	4300 KB	Output is correct
26	Correct	3 ms	4428 KB	Output is correct
27	Correct	2 ms	4428 KB	Output is correct
28	Correct	2 ms	4300 KB	Output is correct
29	Correct	2 ms	4300 KB	Output is correct
30	Correct	3 ms	4300 KB	Output is correct
31	Correct	3 ms	4428 KB	Output is correct
32	Correct	3 ms	4428 KB	Output is correct
33	Correct	3 ms	4428 KB	Output is correct
34	Correct	2 ms	4300 KB	Output is correct
35	Correct	2 ms	4300 KB	Output is correct
36	Correct	3 ms	4300 KB	Output is correct
37	Correct	3 ms	4428 KB	Output is correct
38	Correct	2 ms	4300 KB	Output is correct
39	Correct	3 ms	4300 KB	Output is correct
40	Correct	3 ms	4300 KB	Output is correct
41	Correct	3 ms	4300 KB	Output is correct
42	Correct	3 ms	4300 KB	Output is correct
43	Correct	3 ms	4300 KB	Output is correct
44	Correct	3 ms	4300 KB	Output is correct
45	Correct	3 ms	4300 KB	Output is correct
46	Correct	2 ms	4300 KB	Output is correct
47	Correct	3 ms	4300 KB	Output is correct
48	Correct	2 ms	4300 KB	Output is correct
49	Correct	3 ms	4300 KB	Output is correct
50	Correct	6 ms	4556 KB	Output is correct
51	Correct	5 ms	4556 KB	Output is correct
52	Correct	6 ms	4556 KB	Output is correct
53	Correct	6 ms	4496 KB	Output is correct
54	Correct	4 ms	4364 KB	Output is correct
55	Correct	9 ms	4700 KB	Output is correct
56	Correct	8 ms	4616 KB	Output is correct
57	Correct	7 ms	4556 KB	Output is correct
58	Correct	2 ms	4300 KB	Output is correct
59	Correct	3 ms	4300 KB	Output is correct
60	Correct	3 ms	4428 KB	Output is correct
61	Correct	5 ms	4556 KB	Output is correct
62	Correct	5 ms	4428 KB	Output is correct
63	Correct	3 ms	4428 KB	Output is correct
64	Correct	3 ms	4300 KB	Output is correct
65	Correct	4 ms	4428 KB	Output is correct
66	Correct	2 ms	4300 KB	Output is correct
67	Correct	2 ms	4300 KB	Output is correct
68	Correct	3 ms	4300 KB	Output is correct
69	Correct	3 ms	4296 KB	Output is correct
70	Correct	3 ms	4348 KB	Output is correct
71	Correct	935 ms	36520 KB	Output is correct
72	Correct	542 ms	30088 KB	Output is correct
73	Correct	1022 ms	37120 KB	Output is correct
74	Correct	380 ms	19776 KB	Output is correct
75	Correct	547 ms	30272 KB	Output is correct
76	Correct	1920 ms	67180 KB	Output is correct
77	Correct	2033 ms	68004 KB	Output is correct
78	Correct	1421 ms	60472 KB	Output is correct
79	Correct	1521 ms	61744 KB	Output is correct
80	Correct	3 ms	4300 KB	Output is correct
81	Correct	3 ms	4300 KB	Output is correct
82	Correct	12 ms	4840 KB	Output is correct
83	Correct	211 ms	10784 KB	Output is correct
84	Correct	166 ms	11652 KB	Output is correct
85	Correct	33 ms	5920 KB	Output is correct
86	Correct	2 ms	4300 KB	Output is correct
87	Correct	191 ms	10820 KB	Output is correct
88	Correct	2 ms	4300 KB	Output is correct
89	Correct	3 ms	4300 KB	Output is correct
90	Correct	2 ms	4300 KB	Output is correct
91	Correct	23 ms	5244 KB	Output is correct
92	Correct	109 ms	11084 KB	Output is correct

Subtask #5
0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	4300 KB	Output is correct
2	Correct	2 ms	4300 KB	Output is correct
3	Correct	3 ms	4300 KB	Output is correct
4	Correct	3 ms	4300 KB	Output is correct
5	Correct	2 ms	4300 KB	Output is correct
6	Correct	3 ms	4300 KB	Output is correct
7	Correct	3 ms	4300 KB	Output is correct
8	Correct	2 ms	4300 KB	Output is correct
9	Correct	3 ms	4300 KB	Output is correct
10	Correct	3 ms	4300 KB	Output is correct
11	Correct	2 ms	4300 KB	Output is correct
12	Correct	2 ms	4300 KB	Output is correct
13	Correct	3 ms	4300 KB	Output is correct
14	Correct	2 ms	4300 KB	Output is correct
15	Correct	3 ms	4300 KB	Output is correct
16	Correct	3 ms	4300 KB	Output is correct
17	Correct	2 ms	4300 KB	Output is correct
18	Correct	2 ms	4300 KB	Output is correct
19	Correct	3 ms	4300 KB	Output is correct
20	Correct	2 ms	4300 KB	Output is correct
21	Correct	2 ms	4300 KB	Output is correct
22	Correct	3 ms	4352 KB	Output is correct
23	Correct	3 ms	4300 KB	Output is correct
24	Correct	3 ms	4300 KB	Output is correct
25	Correct	2 ms	4300 KB	Output is correct
26	Correct	3 ms	4428 KB	Output is correct
27	Correct	2 ms	4428 KB	Output is correct
28	Correct	2 ms	4300 KB	Output is correct
29	Correct	2 ms	4300 KB	Output is correct
30	Correct	3 ms	4300 KB	Output is correct
31	Correct	3 ms	4428 KB	Output is correct
32	Correct	3 ms	4428 KB	Output is correct
33	Correct	3 ms	4428 KB	Output is correct
34	Correct	2 ms	4300 KB	Output is correct
35	Correct	2 ms	4300 KB	Output is correct
36	Correct	3 ms	4300 KB	Output is correct
37	Correct	3 ms	4428 KB	Output is correct
38	Correct	2 ms	4300 KB	Output is correct
39	Correct	3 ms	4300 KB	Output is correct
40	Correct	3 ms	4300 KB	Output is correct
41	Correct	3 ms	4300 KB	Output is correct
42	Correct	3 ms	4300 KB	Output is correct
43	Correct	3 ms	4300 KB	Output is correct
44	Correct	3 ms	4300 KB	Output is correct
45	Correct	3 ms	4300 KB	Output is correct
46	Correct	2 ms	4300 KB	Output is correct
47	Correct	3 ms	4300 KB	Output is correct
48	Correct	2 ms	4300 KB	Output is correct
49	Correct	3 ms	4300 KB	Output is correct
50	Correct	6 ms	4556 KB	Output is correct
51	Correct	5 ms	4556 KB	Output is correct
52	Correct	6 ms	4556 KB	Output is correct
53	Correct	6 ms	4496 KB	Output is correct
54	Correct	4 ms	4364 KB	Output is correct
55	Correct	9 ms	4700 KB	Output is correct
56	Correct	8 ms	4616 KB	Output is correct
57	Correct	7 ms	4556 KB	Output is correct
58	Correct	2 ms	4300 KB	Output is correct
59	Correct	3 ms	4300 KB	Output is correct
60	Correct	3 ms	4428 KB	Output is correct
61	Correct	5 ms	4556 KB	Output is correct
62	Correct	5 ms	4428 KB	Output is correct
63	Correct	3 ms	4428 KB	Output is correct
64	Correct	3 ms	4300 KB	Output is correct
65	Correct	4 ms	4428 KB	Output is correct
66	Correct	2 ms	4300 KB	Output is correct
67	Correct	2 ms	4300 KB	Output is correct
68	Correct	3 ms	4300 KB	Output is correct
69	Correct	3 ms	4296 KB	Output is correct
70	Correct	3 ms	4348 KB	Output is correct
71	Correct	935 ms	36520 KB	Output is correct
72	Correct	542 ms	30088 KB	Output is correct
73	Correct	1022 ms	37120 KB	Output is correct
74	Correct	380 ms	19776 KB	Output is correct
75	Correct	547 ms	30272 KB	Output is correct
76	Correct	1920 ms	67180 KB	Output is correct
77	Correct	2033 ms	68004 KB	Output is correct
78	Correct	1421 ms	60472 KB	Output is correct
79	Correct	1521 ms	61744 KB	Output is correct
80	Correct	3 ms	4300 KB	Output is correct
81	Correct	3 ms	4300 KB	Output is correct
82	Correct	12 ms	4840 KB	Output is correct
83	Correct	211 ms	10784 KB	Output is correct
84	Correct	166 ms	11652 KB	Output is correct
85	Correct	33 ms	5920 KB	Output is correct
86	Correct	2 ms	4300 KB	Output is correct
87	Correct	191 ms	10820 KB	Output is correct
88	Correct	2 ms	4300 KB	Output is correct
89	Correct	3 ms	4300 KB	Output is correct
90	Correct	2 ms	4300 KB	Output is correct
91	Correct	23 ms	5244 KB	Output is correct
92	Correct	109 ms	11084 KB	Output is correct
93	Runtime error	6 ms	8652 KB	Execution killed with signal 6
94	Halted	0 ms	0 KB	-

답안 #493240

Compilation message

Subtask #1 19.0 / 19.0

Subtask #2 20.0 / 20.0

Subtask #3 20.0 / 20.0

Subtask #4 20.0 / 20.0

Subtask #5 0 / 21.0

Subtask #1
19.0 / 19.0

Subtask #2
20.0 / 20.0

Subtask #3
20.0 / 20.0

Subtask #4
20.0 / 20.0

Subtask #5
0 / 21.0