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답안 #493255

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
493255 2021-12-10T14:01:08 Z blue Toys (CEOI18_toy) C++17
79 / 100
 5000 ms 93048 KB 
#include <iostream>
#include <vector>
#include <set>
#include <algorithm>
#include <map>
#include <cassert>
#include <unordered_set>
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;

unordered_set<int> res[40'000]; //i*i <= n
unordered_set<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];

unordered_set<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;

    get_res(i).insert(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;
                get_res(i).insert(a+b);
            }
        }

    }

    // 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;

    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);
    unordered_set<int> ans = get_res(n);
    set<int> A;
  for(int a: ans) A.insert(a);

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


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

Subtask #1
19.0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 6860 KB Output is correct
2 Correct 3 ms 6796 KB Output is correct
3 Correct 4 ms 6860 KB Output is correct
4 Correct 4 ms 6860 KB Output is correct
5 Correct 4 ms 6860 KB Output is correct
6 Correct 4 ms 6860 KB Output is correct
7 Correct 3 ms 6860 KB Output is correct
8 Correct 4 ms 6860 KB Output is correct
9 Correct 4 ms 6860 KB Output is correct
10 Correct 4 ms 6860 KB Output is correct
11 Correct 4 ms 6860 KB Output is correct
12 Correct 3 ms 6860 KB Output is correct
13 Correct 5 ms 6860 KB Output is correct
14 Correct 5 ms 6860 KB Output is correct
15 Correct 4 ms 6860 KB Output is correct
16 Correct 4 ms 6860 KB Output is correct
17 Correct 4 ms 6784 KB Output is correct
18 Correct 4 ms 6860 KB Output is correct
19 Correct 4 ms 6860 KB Output is correct
20 Correct 4 ms 6860 KB Output is correct
21 Correct 3 ms 6860 KB Output is correct
22 Correct 4 ms 6860 KB Output is correct
23 Correct 4 ms 6860 KB Output is correct
24 Correct 3 ms 6860 KB Output is correct
25 Correct 4 ms 6860 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 6860 KB Output is correct
2 Correct 3 ms 6796 KB Output is correct
3 Correct 4 ms 6860 KB Output is correct
4 Correct 4 ms 6860 KB Output is correct
5 Correct 4 ms 6860 KB Output is correct
6 Correct 4 ms 6860 KB Output is correct
7 Correct 3 ms 6860 KB Output is correct
8 Correct 4 ms 6860 KB Output is correct
9 Correct 4 ms 6860 KB Output is correct
10 Correct 4 ms 6860 KB Output is correct
11 Correct 4 ms 6860 KB Output is correct
12 Correct 3 ms 6860 KB Output is correct
13 Correct 5 ms 6860 KB Output is correct
14 Correct 5 ms 6860 KB Output is correct
15 Correct 4 ms 6860 KB Output is correct
16 Correct 4 ms 6860 KB Output is correct
17 Correct 4 ms 6784 KB Output is correct
18 Correct 4 ms 6860 KB Output is correct
19 Correct 4 ms 6860 KB Output is correct
20 Correct 4 ms 6860 KB Output is correct
21 Correct 3 ms 6860 KB Output is correct
22 Correct 4 ms 6860 KB Output is correct
23 Correct 4 ms 6860 KB Output is correct
24 Correct 3 ms 6860 KB Output is correct
25 Correct 4 ms 6860 KB Output is correct
26 Correct 4 ms 6860 KB Output is correct
27 Correct 4 ms 6860 KB Output is correct
28 Correct 4 ms 6860 KB Output is correct
29 Correct 4 ms 6860 KB Output is correct
30 Correct 4 ms 6860 KB Output is correct
31 Correct 4 ms 6988 KB Output is correct
32 Correct 4 ms 6988 KB Output is correct
33 Correct 4 ms 6860 KB Output is correct
34 Correct 4 ms 6860 KB Output is correct
35 Correct 4 ms 6868 KB Output is correct
36 Correct 4 ms 6860 KB Output is correct
37 Correct 4 ms 6860 KB Output is correct
38 Correct 4 ms 6860 KB Output is correct
39 Correct 3 ms 6860 KB Output is correct
40 Correct 4 ms 6860 KB Output is correct
41 Correct 4 ms 6880 KB Output is correct
42 Correct 4 ms 6860 KB Output is correct
43 Correct 4 ms 6860 KB Output is correct
44 Correct 3 ms 6860 KB Output is correct
45 Correct 4 ms 6860 KB Output is correct
46 Correct 4 ms 6860 KB Output is correct
47 Correct 4 ms 6860 KB Output is correct
48 Correct 4 ms 6860 KB Output is correct
49 Correct 3 ms 6860 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 6860 KB Output is correct
2 Correct 3 ms 6796 KB Output is correct
3 Correct 4 ms 6860 KB Output is correct
4 Correct 4 ms 6860 KB Output is correct
5 Correct 4 ms 6860 KB Output is correct
6 Correct 4 ms 6860 KB Output is correct
7 Correct 3 ms 6860 KB Output is correct
8 Correct 4 ms 6860 KB Output is correct
9 Correct 4 ms 6860 KB Output is correct
10 Correct 4 ms 6860 KB Output is correct
11 Correct 4 ms 6860 KB Output is correct
12 Correct 3 ms 6860 KB Output is correct
13 Correct 5 ms 6860 KB Output is correct
14 Correct 5 ms 6860 KB Output is correct
15 Correct 4 ms 6860 KB Output is correct
16 Correct 4 ms 6860 KB Output is correct
17 Correct 4 ms 6784 KB Output is correct
18 Correct 4 ms 6860 KB Output is correct
19 Correct 4 ms 6860 KB Output is correct
20 Correct 4 ms 6860 KB Output is correct
21 Correct 3 ms 6860 KB Output is correct
22 Correct 4 ms 6860 KB Output is correct
23 Correct 4 ms 6860 KB Output is correct
24 Correct 3 ms 6860 KB Output is correct
25 Correct 4 ms 6860 KB Output is correct
26 Correct 4 ms 6860 KB Output is correct
27 Correct 4 ms 6860 KB Output is correct
28 Correct 4 ms 6860 KB Output is correct
29 Correct 4 ms 6860 KB Output is correct
30 Correct 4 ms 6860 KB Output is correct
31 Correct 4 ms 6988 KB Output is correct
32 Correct 4 ms 6988 KB Output is correct
33 Correct 4 ms 6860 KB Output is correct
34 Correct 4 ms 6860 KB Output is correct
35 Correct 4 ms 6868 KB Output is correct
36 Correct 4 ms 6860 KB Output is correct
37 Correct 4 ms 6860 KB Output is correct
38 Correct 4 ms 6860 KB Output is correct
39 Correct 3 ms 6860 KB Output is correct
40 Correct 4 ms 6860 KB Output is correct
41 Correct 4 ms 6880 KB Output is correct
42 Correct 4 ms 6860 KB Output is correct
43 Correct 4 ms 6860 KB Output is correct
44 Correct 3 ms 6860 KB Output is correct
45 Correct 4 ms 6860 KB Output is correct
46 Correct 4 ms 6860 KB Output is correct
47 Correct 4 ms 6860 KB Output is correct
48 Correct 4 ms 6860 KB Output is correct
49 Correct 3 ms 6860 KB Output is correct
50 Correct 5 ms 7244 KB Output is correct
51 Correct 5 ms 7116 KB Output is correct
52 Correct 6 ms 7116 KB Output is correct
53 Correct 6 ms 7100 KB Output is correct
54 Correct 4 ms 6952 KB Output is correct
55 Correct 7 ms 7244 KB Output is correct
56 Correct 6 ms 7244 KB Output is correct
57 Correct 5 ms 7244 KB Output is correct
58 Correct 4 ms 6860 KB Output is correct
59 Correct 4 ms 6860 KB Output is correct
60 Correct 4 ms 6860 KB Output is correct
61 Correct 5 ms 7116 KB Output is correct
62 Correct 5 ms 6988 KB Output is correct
63 Correct 4 ms 6860 KB Output is correct
64 Correct 5 ms 6860 KB Output is correct
65 Correct 5 ms 7132 KB Output is correct
66 Correct 6 ms 6860 KB Output is correct
67 Correct 4 ms 6860 KB Output is correct
68 Correct 4 ms 6860 KB Output is correct
69 Correct 3 ms 6860 KB Output is correct
70 Correct 4 ms 6988 KB Output is correct

Subtask #4
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 6860 KB Output is correct
2 Correct 3 ms 6796 KB Output is correct
3 Correct 4 ms 6860 KB Output is correct
4 Correct 4 ms 6860 KB Output is correct
5 Correct 4 ms 6860 KB Output is correct
6 Correct 4 ms 6860 KB Output is correct
7 Correct 3 ms 6860 KB Output is correct
8 Correct 4 ms 6860 KB Output is correct
9 Correct 4 ms 6860 KB Output is correct
10 Correct 4 ms 6860 KB Output is correct
11 Correct 4 ms 6860 KB Output is correct
12 Correct 3 ms 6860 KB Output is correct
13 Correct 5 ms 6860 KB Output is correct
14 Correct 5 ms 6860 KB Output is correct
15 Correct 4 ms 6860 KB Output is correct
16 Correct 4 ms 6860 KB Output is correct
17 Correct 4 ms 6784 KB Output is correct
18 Correct 4 ms 6860 KB Output is correct
19 Correct 4 ms 6860 KB Output is correct
20 Correct 4 ms 6860 KB Output is correct
21 Correct 3 ms 6860 KB Output is correct
22 Correct 4 ms 6860 KB Output is correct
23 Correct 4 ms 6860 KB Output is correct
24 Correct 3 ms 6860 KB Output is correct
25 Correct 4 ms 6860 KB Output is correct
26 Correct 4 ms 6860 KB Output is correct
27 Correct 4 ms 6860 KB Output is correct
28 Correct 4 ms 6860 KB Output is correct
29 Correct 4 ms 6860 KB Output is correct
30 Correct 4 ms 6860 KB Output is correct
31 Correct 4 ms 6988 KB Output is correct
32 Correct 4 ms 6988 KB Output is correct
33 Correct 4 ms 6860 KB Output is correct
34 Correct 4 ms 6860 KB Output is correct
35 Correct 4 ms 6868 KB Output is correct
36 Correct 4 ms 6860 KB Output is correct
37 Correct 4 ms 6860 KB Output is correct
38 Correct 4 ms 6860 KB Output is correct
39 Correct 3 ms 6860 KB Output is correct
40 Correct 4 ms 6860 KB Output is correct
41 Correct 4 ms 6880 KB Output is correct
42 Correct 4 ms 6860 KB Output is correct
43 Correct 4 ms 6860 KB Output is correct
44 Correct 3 ms 6860 KB Output is correct
45 Correct 4 ms 6860 KB Output is correct
46 Correct 4 ms 6860 KB Output is correct
47 Correct 4 ms 6860 KB Output is correct
48 Correct 4 ms 6860 KB Output is correct
49 Correct 3 ms 6860 KB Output is correct
50 Correct 5 ms 7244 KB Output is correct
51 Correct 5 ms 7116 KB Output is correct
52 Correct 6 ms 7116 KB Output is correct
53 Correct 6 ms 7100 KB Output is correct
54 Correct 4 ms 6952 KB Output is correct
55 Correct 7 ms 7244 KB Output is correct
56 Correct 6 ms 7244 KB Output is correct
57 Correct 5 ms 7244 KB Output is correct
58 Correct 4 ms 6860 KB Output is correct
59 Correct 4 ms 6860 KB Output is correct
60 Correct 4 ms 6860 KB Output is correct
61 Correct 5 ms 7116 KB Output is correct
62 Correct 5 ms 6988 KB Output is correct
63 Correct 4 ms 6860 KB Output is correct
64 Correct 5 ms 6860 KB Output is correct
65 Correct 5 ms 7132 KB Output is correct
66 Correct 6 ms 6860 KB Output is correct
67 Correct 4 ms 6860 KB Output is correct
68 Correct 4 ms 6860 KB Output is correct
69 Correct 3 ms 6860 KB Output is correct
70 Correct 4 ms 6988 KB Output is correct
71 Correct 355 ms 25800 KB Output is correct
72 Correct 231 ms 21236 KB Output is correct
73 Correct 413 ms 23436 KB Output is correct
74 Correct 170 ms 18100 KB Output is correct
75 Correct 267 ms 18828 KB Output is correct
76 Correct 776 ms 32056 KB Output is correct
77 Correct 875 ms 29232 KB Output is correct
78 Correct 648 ms 27812 KB Output is correct
79 Correct 594 ms 27248 KB Output is correct
80 Correct 5 ms 6860 KB Output is correct
81 Correct 6 ms 6852 KB Output is correct
82 Correct 9 ms 7372 KB Output is correct
83 Correct 92 ms 10440 KB Output is correct
84 Correct 73 ms 11360 KB Output is correct
85 Correct 17 ms 8292 KB Output is correct
86 Correct 4 ms 6860 KB Output is correct
87 Correct 87 ms 11972 KB Output is correct
88 Correct 4 ms 6860 KB Output is correct
89 Correct 3 ms 6860 KB Output is correct
90 Correct 4 ms 6860 KB Output is correct
91 Correct 17 ms 9036 KB Output is correct
92 Correct 61 ms 13824 KB Output is correct

Subtask #5
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 6860 KB Output is correct
2 Correct 3 ms 6796 KB Output is correct
3 Correct 4 ms 6860 KB Output is correct
4 Correct 4 ms 6860 KB Output is correct
5 Correct 4 ms 6860 KB Output is correct
6 Correct 4 ms 6860 KB Output is correct
7 Correct 3 ms 6860 KB Output is correct
8 Correct 4 ms 6860 KB Output is correct
9 Correct 4 ms 6860 KB Output is correct
10 Correct 4 ms 6860 KB Output is correct
11 Correct 4 ms 6860 KB Output is correct
12 Correct 3 ms 6860 KB Output is correct
13 Correct 5 ms 6860 KB Output is correct
14 Correct 5 ms 6860 KB Output is correct
15 Correct 4 ms 6860 KB Output is correct
16 Correct 4 ms 6860 KB Output is correct
17 Correct 4 ms 6784 KB Output is correct
18 Correct 4 ms 6860 KB Output is correct
19 Correct 4 ms 6860 KB Output is correct
20 Correct 4 ms 6860 KB Output is correct
21 Correct 3 ms 6860 KB Output is correct
22 Correct 4 ms 6860 KB Output is correct
23 Correct 4 ms 6860 KB Output is correct
24 Correct 3 ms 6860 KB Output is correct
25 Correct 4 ms 6860 KB Output is correct
26 Correct 4 ms 6860 KB Output is correct
27 Correct 4 ms 6860 KB Output is correct
28 Correct 4 ms 6860 KB Output is correct
29 Correct 4 ms 6860 KB Output is correct
30 Correct 4 ms 6860 KB Output is correct
31 Correct 4 ms 6988 KB Output is correct
32 Correct 4 ms 6988 KB Output is correct
33 Correct 4 ms 6860 KB Output is correct
34 Correct 4 ms 6860 KB Output is correct
35 Correct 4 ms 6868 KB Output is correct
36 Correct 4 ms 6860 KB Output is correct
37 Correct 4 ms 6860 KB Output is correct
38 Correct 4 ms 6860 KB Output is correct
39 Correct 3 ms 6860 KB Output is correct
40 Correct 4 ms 6860 KB Output is correct
41 Correct 4 ms 6880 KB Output is correct
42 Correct 4 ms 6860 KB Output is correct
43 Correct 4 ms 6860 KB Output is correct
44 Correct 3 ms 6860 KB Output is correct
45 Correct 4 ms 6860 KB Output is correct
46 Correct 4 ms 6860 KB Output is correct
47 Correct 4 ms 6860 KB Output is correct
48 Correct 4 ms 6860 KB Output is correct
49 Correct 3 ms 6860 KB Output is correct
50 Correct 5 ms 7244 KB Output is correct
51 Correct 5 ms 7116 KB Output is correct
52 Correct 6 ms 7116 KB Output is correct
53 Correct 6 ms 7100 KB Output is correct
54 Correct 4 ms 6952 KB Output is correct
55 Correct 7 ms 7244 KB Output is correct
56 Correct 6 ms 7244 KB Output is correct
57 Correct 5 ms 7244 KB Output is correct
58 Correct 4 ms 6860 KB Output is correct
59 Correct 4 ms 6860 KB Output is correct
60 Correct 4 ms 6860 KB Output is correct
61 Correct 5 ms 7116 KB Output is correct
62 Correct 5 ms 6988 KB Output is correct
63 Correct 4 ms 6860 KB Output is correct
64 Correct 5 ms 6860 KB Output is correct
65 Correct 5 ms 7132 KB Output is correct
66 Correct 6 ms 6860 KB Output is correct
67 Correct 4 ms 6860 KB Output is correct
68 Correct 4 ms 6860 KB Output is correct
69 Correct 3 ms 6860 KB Output is correct
70 Correct 4 ms 6988 KB Output is correct
71 Correct 355 ms 25800 KB Output is correct
72 Correct 231 ms 21236 KB Output is correct
73 Correct 413 ms 23436 KB Output is correct
74 Correct 170 ms 18100 KB Output is correct
75 Correct 267 ms 18828 KB Output is correct
76 Correct 776 ms 32056 KB Output is correct
77 Correct 875 ms 29232 KB Output is correct
78 Correct 648 ms 27812 KB Output is correct
79 Correct 594 ms 27248 KB Output is correct
80 Correct 5 ms 6860 KB Output is correct
81 Correct 6 ms 6852 KB Output is correct
82 Correct 9 ms 7372 KB Output is correct
83 Correct 92 ms 10440 KB Output is correct
84 Correct 73 ms 11360 KB Output is correct
85 Correct 17 ms 8292 KB Output is correct
86 Correct 4 ms 6860 KB Output is correct
87 Correct 87 ms 11972 KB Output is correct
88 Correct 4 ms 6860 KB Output is correct
89 Correct 3 ms 6860 KB Output is correct
90 Correct 4 ms 6860 KB Output is correct
91 Correct 17 ms 9036 KB Output is correct
92 Correct 61 ms 13824 KB Output is correct
93 Correct 3517 ms 83916 KB Output is correct
94 Correct 1380 ms 59560 KB Output is correct
95 Correct 1837 ms 61900 KB Output is correct
96 Correct 1542 ms 56244 KB Output is correct
97 Correct 1507 ms 51984 KB Output is correct
98 Correct 4142 ms 91820 KB Output is correct
99 Correct 4739 ms 93048 KB Output is correct
100 Correct 4038 ms 90048 KB Output is correct
101 Execution timed out 5092 ms 82856 KB Time limit exceeded
102 Halted 0 ms 0 KB -