답안 #493229

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
493229	2021-12-10T13:12:17 Z	blue	Toys (CEOI18_toy)	C++17	79 / 100	5000 ms	65772 KB

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

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

// 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);

void solve(long long i)
{
    // cerr << "solve " << i << '\n';
    // if(solved[i]) return;
    // solved[i] = 1;
    if(i*i <= n)
    {
        if(solved[i]) return;
        else solved[i] = 1;
    }
    else
    {
        if(solved2[n/i]) return;
        else solved2[n/i] = 1;
    }
    // cerr << "\n\n\n";
    // cerr << "solve:  " << i << '\n';
    // cerr << "cond = " << int(res.find(i) != res.end()) << '\n';
    // if(res.find(i) != res.end()) return;
    // cerr << "entered\n";

    vi ans(1, i-1);
    // for(int j = 2; j < i && j*j <= i; j++)

    // cerr << "#\n";
    // for(int y: sf) cerr << "y = " << y << '\n';
    // cerr << "#2\n";

    for(int j: sf)
    {
        // cerr << "j = " << j << '\n';
        if(j >= i || j*j > i) break;
        if(i % j == 0)
        {
            // cerr << i << " -> " << j << '\n';
            long long u = j;
            long long v = i/j;
            solve(u);
            solve(v);
            for(int a: (u*u <= n ? res[u] : res2[n/u]))
                for(int b: (v*v <= n ? res[v] : res2[n/v]))
                    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';

    if(i*i <= n)
    {
        // cerr << "case 1\n";
        res[i] = ans;
    }
    else
    {
        // cerr << "case 2\n";
        res2[n/i] = ans;
    }
}

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

    cin >> n;

    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(n % i == 0)
            sf.push_back(i);
    }


    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	1 ms	2508 KB	Output is correct
2	Correct	1 ms	2508 KB	Output is correct
3	Correct	1 ms	2508 KB	Output is correct
4	Correct	1 ms	2508 KB	Output is correct
5	Correct	1 ms	2436 KB	Output is correct
6	Correct	2 ms	2508 KB	Output is correct
7	Correct	1 ms	2508 KB	Output is correct
8	Correct	1 ms	2508 KB	Output is correct
9	Correct	1 ms	2508 KB	Output is correct
10	Correct	1 ms	2508 KB	Output is correct
11	Correct	1 ms	2508 KB	Output is correct
12	Correct	1 ms	2628 KB	Output is correct
13	Correct	1 ms	2508 KB	Output is correct
14	Correct	1 ms	2508 KB	Output is correct
15	Correct	1 ms	2508 KB	Output is correct
16	Correct	2 ms	2508 KB	Output is correct
17	Correct	1 ms	2508 KB	Output is correct
18	Correct	1 ms	2508 KB	Output is correct
19	Correct	1 ms	2508 KB	Output is correct
20	Correct	1 ms	2508 KB	Output is correct
21	Correct	1 ms	2508 KB	Output is correct
22	Correct	1 ms	2508 KB	Output is correct
23	Correct	1 ms	2508 KB	Output is correct
24	Correct	1 ms	2508 KB	Output is correct
25	Correct	2 ms	2508 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2508 KB	Output is correct
2	Correct	1 ms	2508 KB	Output is correct
3	Correct	1 ms	2508 KB	Output is correct
4	Correct	1 ms	2508 KB	Output is correct
5	Correct	1 ms	2436 KB	Output is correct
6	Correct	2 ms	2508 KB	Output is correct
7	Correct	1 ms	2508 KB	Output is correct
8	Correct	1 ms	2508 KB	Output is correct
9	Correct	1 ms	2508 KB	Output is correct
10	Correct	1 ms	2508 KB	Output is correct
11	Correct	1 ms	2508 KB	Output is correct
12	Correct	1 ms	2628 KB	Output is correct
13	Correct	1 ms	2508 KB	Output is correct
14	Correct	1 ms	2508 KB	Output is correct
15	Correct	1 ms	2508 KB	Output is correct
16	Correct	2 ms	2508 KB	Output is correct
17	Correct	1 ms	2508 KB	Output is correct
18	Correct	1 ms	2508 KB	Output is correct
19	Correct	1 ms	2508 KB	Output is correct
20	Correct	1 ms	2508 KB	Output is correct
21	Correct	1 ms	2508 KB	Output is correct
22	Correct	1 ms	2508 KB	Output is correct
23	Correct	1 ms	2508 KB	Output is correct
24	Correct	1 ms	2508 KB	Output is correct
25	Correct	2 ms	2508 KB	Output is correct
26	Correct	2 ms	2508 KB	Output is correct
27	Correct	2 ms	2508 KB	Output is correct
28	Correct	1 ms	2508 KB	Output is correct
29	Correct	2 ms	2508 KB	Output is correct
30	Correct	1 ms	2508 KB	Output is correct
31	Correct	2 ms	2508 KB	Output is correct
32	Correct	2 ms	2508 KB	Output is correct
33	Correct	2 ms	2508 KB	Output is correct
34	Correct	1 ms	2508 KB	Output is correct
35	Correct	2 ms	2508 KB	Output is correct
36	Correct	1 ms	2508 KB	Output is correct
37	Correct	2 ms	2508 KB	Output is correct
38	Correct	1 ms	2508 KB	Output is correct
39	Correct	1 ms	2508 KB	Output is correct
40	Correct	2 ms	2508 KB	Output is correct
41	Correct	1 ms	2508 KB	Output is correct
42	Correct	1 ms	2404 KB	Output is correct
43	Correct	1 ms	2508 KB	Output is correct
44	Correct	1 ms	2508 KB	Output is correct
45	Correct	1 ms	2508 KB	Output is correct
46	Correct	2 ms	2508 KB	Output is correct
47	Correct	2 ms	2508 KB	Output is correct
48	Correct	1 ms	2508 KB	Output is correct
49	Correct	2 ms	2508 KB	Output is correct

Subtask #3
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2508 KB	Output is correct
2	Correct	1 ms	2508 KB	Output is correct
3	Correct	1 ms	2508 KB	Output is correct
4	Correct	1 ms	2508 KB	Output is correct
5	Correct	1 ms	2436 KB	Output is correct
6	Correct	2 ms	2508 KB	Output is correct
7	Correct	1 ms	2508 KB	Output is correct
8	Correct	1 ms	2508 KB	Output is correct
9	Correct	1 ms	2508 KB	Output is correct
10	Correct	1 ms	2508 KB	Output is correct
11	Correct	1 ms	2508 KB	Output is correct
12	Correct	1 ms	2628 KB	Output is correct
13	Correct	1 ms	2508 KB	Output is correct
14	Correct	1 ms	2508 KB	Output is correct
15	Correct	1 ms	2508 KB	Output is correct
16	Correct	2 ms	2508 KB	Output is correct
17	Correct	1 ms	2508 KB	Output is correct
18	Correct	1 ms	2508 KB	Output is correct
19	Correct	1 ms	2508 KB	Output is correct
20	Correct	1 ms	2508 KB	Output is correct
21	Correct	1 ms	2508 KB	Output is correct
22	Correct	1 ms	2508 KB	Output is correct
23	Correct	1 ms	2508 KB	Output is correct
24	Correct	1 ms	2508 KB	Output is correct
25	Correct	2 ms	2508 KB	Output is correct
26	Correct	2 ms	2508 KB	Output is correct
27	Correct	2 ms	2508 KB	Output is correct
28	Correct	1 ms	2508 KB	Output is correct
29	Correct	2 ms	2508 KB	Output is correct
30	Correct	1 ms	2508 KB	Output is correct
31	Correct	2 ms	2508 KB	Output is correct
32	Correct	2 ms	2508 KB	Output is correct
33	Correct	2 ms	2508 KB	Output is correct
34	Correct	1 ms	2508 KB	Output is correct
35	Correct	2 ms	2508 KB	Output is correct
36	Correct	1 ms	2508 KB	Output is correct
37	Correct	2 ms	2508 KB	Output is correct
38	Correct	1 ms	2508 KB	Output is correct
39	Correct	1 ms	2508 KB	Output is correct
40	Correct	2 ms	2508 KB	Output is correct
41	Correct	1 ms	2508 KB	Output is correct
42	Correct	1 ms	2404 KB	Output is correct
43	Correct	1 ms	2508 KB	Output is correct
44	Correct	1 ms	2508 KB	Output is correct
45	Correct	1 ms	2508 KB	Output is correct
46	Correct	2 ms	2508 KB	Output is correct
47	Correct	2 ms	2508 KB	Output is correct
48	Correct	1 ms	2508 KB	Output is correct
49	Correct	2 ms	2508 KB	Output is correct
50	Correct	4 ms	2636 KB	Output is correct
51	Correct	4 ms	2636 KB	Output is correct
52	Correct	4 ms	2636 KB	Output is correct
53	Correct	4 ms	2664 KB	Output is correct
54	Correct	2 ms	2508 KB	Output is correct
55	Correct	8 ms	2764 KB	Output is correct
56	Correct	8 ms	2696 KB	Output is correct
57	Correct	6 ms	2764 KB	Output is correct
58	Correct	2 ms	2508 KB	Output is correct
59	Correct	2 ms	2508 KB	Output is correct
60	Correct	2 ms	2508 KB	Output is correct
61	Correct	4 ms	2636 KB	Output is correct
62	Correct	2 ms	2508 KB	Output is correct
63	Correct	2 ms	2508 KB	Output is correct
64	Correct	2 ms	2508 KB	Output is correct
65	Correct	4 ms	2636 KB	Output is correct
66	Correct	2 ms	2508 KB	Output is correct
67	Correct	2 ms	2508 KB	Output is correct
68	Correct	2 ms	2508 KB	Output is correct
69	Correct	2 ms	2508 KB	Output is correct
70	Correct	2 ms	2508 KB	Output is correct

Subtask #4
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2508 KB	Output is correct
2	Correct	1 ms	2508 KB	Output is correct
3	Correct	1 ms	2508 KB	Output is correct
4	Correct	1 ms	2508 KB	Output is correct
5	Correct	1 ms	2436 KB	Output is correct
6	Correct	2 ms	2508 KB	Output is correct
7	Correct	1 ms	2508 KB	Output is correct
8	Correct	1 ms	2508 KB	Output is correct
9	Correct	1 ms	2508 KB	Output is correct
10	Correct	1 ms	2508 KB	Output is correct
11	Correct	1 ms	2508 KB	Output is correct
12	Correct	1 ms	2628 KB	Output is correct
13	Correct	1 ms	2508 KB	Output is correct
14	Correct	1 ms	2508 KB	Output is correct
15	Correct	1 ms	2508 KB	Output is correct
16	Correct	2 ms	2508 KB	Output is correct
17	Correct	1 ms	2508 KB	Output is correct
18	Correct	1 ms	2508 KB	Output is correct
19	Correct	1 ms	2508 KB	Output is correct
20	Correct	1 ms	2508 KB	Output is correct
21	Correct	1 ms	2508 KB	Output is correct
22	Correct	1 ms	2508 KB	Output is correct
23	Correct	1 ms	2508 KB	Output is correct
24	Correct	1 ms	2508 KB	Output is correct
25	Correct	2 ms	2508 KB	Output is correct
26	Correct	2 ms	2508 KB	Output is correct
27	Correct	2 ms	2508 KB	Output is correct
28	Correct	1 ms	2508 KB	Output is correct
29	Correct	2 ms	2508 KB	Output is correct
30	Correct	1 ms	2508 KB	Output is correct
31	Correct	2 ms	2508 KB	Output is correct
32	Correct	2 ms	2508 KB	Output is correct
33	Correct	2 ms	2508 KB	Output is correct
34	Correct	1 ms	2508 KB	Output is correct
35	Correct	2 ms	2508 KB	Output is correct
36	Correct	1 ms	2508 KB	Output is correct
37	Correct	2 ms	2508 KB	Output is correct
38	Correct	1 ms	2508 KB	Output is correct
39	Correct	1 ms	2508 KB	Output is correct
40	Correct	2 ms	2508 KB	Output is correct
41	Correct	1 ms	2508 KB	Output is correct
42	Correct	1 ms	2404 KB	Output is correct
43	Correct	1 ms	2508 KB	Output is correct
44	Correct	1 ms	2508 KB	Output is correct
45	Correct	1 ms	2508 KB	Output is correct
46	Correct	2 ms	2508 KB	Output is correct
47	Correct	2 ms	2508 KB	Output is correct
48	Correct	1 ms	2508 KB	Output is correct
49	Correct	2 ms	2508 KB	Output is correct
50	Correct	4 ms	2636 KB	Output is correct
51	Correct	4 ms	2636 KB	Output is correct
52	Correct	4 ms	2636 KB	Output is correct
53	Correct	4 ms	2664 KB	Output is correct
54	Correct	2 ms	2508 KB	Output is correct
55	Correct	8 ms	2764 KB	Output is correct
56	Correct	8 ms	2696 KB	Output is correct
57	Correct	6 ms	2764 KB	Output is correct
58	Correct	2 ms	2508 KB	Output is correct
59	Correct	2 ms	2508 KB	Output is correct
60	Correct	2 ms	2508 KB	Output is correct
61	Correct	4 ms	2636 KB	Output is correct
62	Correct	2 ms	2508 KB	Output is correct
63	Correct	2 ms	2508 KB	Output is correct
64	Correct	2 ms	2508 KB	Output is correct
65	Correct	4 ms	2636 KB	Output is correct
66	Correct	2 ms	2508 KB	Output is correct
67	Correct	2 ms	2508 KB	Output is correct
68	Correct	2 ms	2508 KB	Output is correct
69	Correct	2 ms	2508 KB	Output is correct
70	Correct	2 ms	2508 KB	Output is correct
71	Correct	1209 ms	34300 KB	Output is correct
72	Correct	774 ms	28044 KB	Output is correct
73	Correct	1149 ms	34860 KB	Output is correct
74	Correct	535 ms	17856 KB	Output is correct
75	Correct	673 ms	27940 KB	Output is correct
76	Correct	2319 ms	64576 KB	Output is correct
77	Correct	2440 ms	65772 KB	Output is correct
78	Correct	1777 ms	58120 KB	Output is correct
79	Correct	1844 ms	59356 KB	Output is correct
80	Correct	483 ms	2508 KB	Output is correct
81	Correct	502 ms	2508 KB	Output is correct
82	Correct	337 ms	3020 KB	Output is correct
83	Correct	483 ms	8988 KB	Output is correct
84	Correct	282 ms	9724 KB	Output is correct
85	Correct	508 ms	4160 KB	Output is correct
86	Correct	485 ms	2508 KB	Output is correct
87	Correct	624 ms	8952 KB	Output is correct
88	Correct	490 ms	2508 KB	Output is correct
89	Correct	490 ms	2628 KB	Output is correct
90	Correct	493 ms	2508 KB	Output is correct
91	Correct	518 ms	3468 KB	Output is correct
92	Correct	587 ms	9048 KB	Output is correct

Subtask #5
0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2508 KB	Output is correct
2	Correct	1 ms	2508 KB	Output is correct
3	Correct	1 ms	2508 KB	Output is correct
4	Correct	1 ms	2508 KB	Output is correct
5	Correct	1 ms	2436 KB	Output is correct
6	Correct	2 ms	2508 KB	Output is correct
7	Correct	1 ms	2508 KB	Output is correct
8	Correct	1 ms	2508 KB	Output is correct
9	Correct	1 ms	2508 KB	Output is correct
10	Correct	1 ms	2508 KB	Output is correct
11	Correct	1 ms	2508 KB	Output is correct
12	Correct	1 ms	2628 KB	Output is correct
13	Correct	1 ms	2508 KB	Output is correct
14	Correct	1 ms	2508 KB	Output is correct
15	Correct	1 ms	2508 KB	Output is correct
16	Correct	2 ms	2508 KB	Output is correct
17	Correct	1 ms	2508 KB	Output is correct
18	Correct	1 ms	2508 KB	Output is correct
19	Correct	1 ms	2508 KB	Output is correct
20	Correct	1 ms	2508 KB	Output is correct
21	Correct	1 ms	2508 KB	Output is correct
22	Correct	1 ms	2508 KB	Output is correct
23	Correct	1 ms	2508 KB	Output is correct
24	Correct	1 ms	2508 KB	Output is correct
25	Correct	2 ms	2508 KB	Output is correct
26	Correct	2 ms	2508 KB	Output is correct
27	Correct	2 ms	2508 KB	Output is correct
28	Correct	1 ms	2508 KB	Output is correct
29	Correct	2 ms	2508 KB	Output is correct
30	Correct	1 ms	2508 KB	Output is correct
31	Correct	2 ms	2508 KB	Output is correct
32	Correct	2 ms	2508 KB	Output is correct
33	Correct	2 ms	2508 KB	Output is correct
34	Correct	1 ms	2508 KB	Output is correct
35	Correct	2 ms	2508 KB	Output is correct
36	Correct	1 ms	2508 KB	Output is correct
37	Correct	2 ms	2508 KB	Output is correct
38	Correct	1 ms	2508 KB	Output is correct
39	Correct	1 ms	2508 KB	Output is correct
40	Correct	2 ms	2508 KB	Output is correct
41	Correct	1 ms	2508 KB	Output is correct
42	Correct	1 ms	2404 KB	Output is correct
43	Correct	1 ms	2508 KB	Output is correct
44	Correct	1 ms	2508 KB	Output is correct
45	Correct	1 ms	2508 KB	Output is correct
46	Correct	2 ms	2508 KB	Output is correct
47	Correct	2 ms	2508 KB	Output is correct
48	Correct	1 ms	2508 KB	Output is correct
49	Correct	2 ms	2508 KB	Output is correct
50	Correct	4 ms	2636 KB	Output is correct
51	Correct	4 ms	2636 KB	Output is correct
52	Correct	4 ms	2636 KB	Output is correct
53	Correct	4 ms	2664 KB	Output is correct
54	Correct	2 ms	2508 KB	Output is correct
55	Correct	8 ms	2764 KB	Output is correct
56	Correct	8 ms	2696 KB	Output is correct
57	Correct	6 ms	2764 KB	Output is correct
58	Correct	2 ms	2508 KB	Output is correct
59	Correct	2 ms	2508 KB	Output is correct
60	Correct	2 ms	2508 KB	Output is correct
61	Correct	4 ms	2636 KB	Output is correct
62	Correct	2 ms	2508 KB	Output is correct
63	Correct	2 ms	2508 KB	Output is correct
64	Correct	2 ms	2508 KB	Output is correct
65	Correct	4 ms	2636 KB	Output is correct
66	Correct	2 ms	2508 KB	Output is correct
67	Correct	2 ms	2508 KB	Output is correct
68	Correct	2 ms	2508 KB	Output is correct
69	Correct	2 ms	2508 KB	Output is correct
70	Correct	2 ms	2508 KB	Output is correct
71	Correct	1209 ms	34300 KB	Output is correct
72	Correct	774 ms	28044 KB	Output is correct
73	Correct	1149 ms	34860 KB	Output is correct
74	Correct	535 ms	17856 KB	Output is correct
75	Correct	673 ms	27940 KB	Output is correct
76	Correct	2319 ms	64576 KB	Output is correct
77	Correct	2440 ms	65772 KB	Output is correct
78	Correct	1777 ms	58120 KB	Output is correct
79	Correct	1844 ms	59356 KB	Output is correct
80	Correct	483 ms	2508 KB	Output is correct
81	Correct	502 ms	2508 KB	Output is correct
82	Correct	337 ms	3020 KB	Output is correct
83	Correct	483 ms	8988 KB	Output is correct
84	Correct	282 ms	9724 KB	Output is correct
85	Correct	508 ms	4160 KB	Output is correct
86	Correct	485 ms	2508 KB	Output is correct
87	Correct	624 ms	8952 KB	Output is correct
88	Correct	490 ms	2508 KB	Output is correct
89	Correct	490 ms	2628 KB	Output is correct
90	Correct	493 ms	2508 KB	Output is correct
91	Correct	518 ms	3468 KB	Output is correct
92	Correct	587 ms	9048 KB	Output is correct
93	Execution timed out	5064 ms	61460 KB	Time limit exceeded
94	Halted	0 ms	0 KB	-

답안 #493229

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