답안 #81546

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
81546 2018-10-25T09:16:45 Z antimirage Toys (CEOI18_toy) C++17
100 / 100
2191 ms 17516 KB
/*
	- DFS through all possible divisor combinations
	- Optimizations
		- Only keep dividing by larger divisors to avoid visiting a state twice
		- Remove divisors that are not divisible by the number of the current state from all states that it branches to
*/

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

int n;
vector<int> p, ans;

void dfs(int x, vector<int> &p, int i, int s) {
	ans.push_back(s+x-1);
	vector<int> p2;
	for(; i<p.size(); ++i)
		if(x%p[i]==0)
			p2.push_back(p[i]);
	for(i=0; i<p2.size(); ++i)
		if(x/p2[i]>=p2[i])
			dfs(x/p2[i], p2, i, s+p2[i]-1);
}

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	
	cin >> n;
	for(int i=2; i*i<=n; ++i)
		if(n%i==0)
			p.push_back(i);
	dfs(n, p, 0, 0);
	sort(ans.begin(), ans.end());
	ans.resize(unique(ans.begin(), ans.end())-ans.begin());
	cout << ans.size() << "\n";
	for(int ai : ans)
		cout << ai << " ";
}

Compilation message

toy.cpp: In function 'void dfs(int, std::vector<int>&, int, int)':
toy.cpp:17:9: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(; i<p.size(); ++i)
        ~^~~~~~~~~
toy.cpp:20:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(i=0; i<p2.size(); ++i)
           ~^~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 2 ms 440 KB Output is correct
4 Correct 2 ms 488 KB Output is correct
5 Correct 2 ms 632 KB Output is correct
6 Correct 2 ms 632 KB Output is correct
7 Correct 2 ms 632 KB Output is correct
8 Correct 2 ms 632 KB Output is correct
9 Correct 2 ms 632 KB Output is correct
10 Correct 2 ms 632 KB Output is correct
11 Correct 2 ms 632 KB Output is correct
12 Correct 2 ms 632 KB Output is correct
13 Correct 2 ms 632 KB Output is correct
14 Correct 2 ms 636 KB Output is correct
15 Correct 2 ms 636 KB Output is correct
16 Correct 2 ms 636 KB Output is correct
17 Correct 2 ms 636 KB Output is correct
18 Correct 2 ms 636 KB Output is correct
19 Correct 2 ms 636 KB Output is correct
20 Correct 2 ms 636 KB Output is correct
21 Correct 2 ms 636 KB Output is correct
22 Correct 2 ms 636 KB Output is correct
23 Correct 2 ms 636 KB Output is correct
24 Correct 2 ms 636 KB Output is correct
25 Correct 2 ms 760 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 2 ms 440 KB Output is correct
4 Correct 2 ms 488 KB Output is correct
5 Correct 2 ms 632 KB Output is correct
6 Correct 2 ms 632 KB Output is correct
7 Correct 2 ms 632 KB Output is correct
8 Correct 2 ms 632 KB Output is correct
9 Correct 2 ms 632 KB Output is correct
10 Correct 2 ms 632 KB Output is correct
11 Correct 2 ms 632 KB Output is correct
12 Correct 2 ms 632 KB Output is correct
13 Correct 2 ms 632 KB Output is correct
14 Correct 2 ms 636 KB Output is correct
15 Correct 2 ms 636 KB Output is correct
16 Correct 2 ms 636 KB Output is correct
17 Correct 2 ms 636 KB Output is correct
18 Correct 2 ms 636 KB Output is correct
19 Correct 2 ms 636 KB Output is correct
20 Correct 2 ms 636 KB Output is correct
21 Correct 2 ms 636 KB Output is correct
22 Correct 2 ms 636 KB Output is correct
23 Correct 2 ms 636 KB Output is correct
24 Correct 2 ms 636 KB Output is correct
25 Correct 2 ms 760 KB Output is correct
26 Correct 2 ms 760 KB Output is correct
27 Correct 2 ms 760 KB Output is correct
28 Correct 3 ms 760 KB Output is correct
29 Correct 2 ms 760 KB Output is correct
30 Correct 2 ms 760 KB Output is correct
31 Correct 2 ms 760 KB Output is correct
32 Correct 2 ms 760 KB Output is correct
33 Correct 2 ms 760 KB Output is correct
34 Correct 2 ms 760 KB Output is correct
35 Correct 2 ms 760 KB Output is correct
36 Correct 2 ms 760 KB Output is correct
37 Correct 3 ms 760 KB Output is correct
38 Correct 2 ms 760 KB Output is correct
39 Correct 2 ms 760 KB Output is correct
40 Correct 2 ms 760 KB Output is correct
41 Correct 2 ms 760 KB Output is correct
42 Correct 2 ms 760 KB Output is correct
43 Correct 2 ms 760 KB Output is correct
44 Correct 2 ms 760 KB Output is correct
45 Correct 3 ms 760 KB Output is correct
46 Correct 2 ms 760 KB Output is correct
47 Correct 2 ms 760 KB Output is correct
48 Correct 2 ms 760 KB Output is correct
49 Correct 2 ms 760 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 2 ms 440 KB Output is correct
4 Correct 2 ms 488 KB Output is correct
5 Correct 2 ms 632 KB Output is correct
6 Correct 2 ms 632 KB Output is correct
7 Correct 2 ms 632 KB Output is correct
8 Correct 2 ms 632 KB Output is correct
9 Correct 2 ms 632 KB Output is correct
10 Correct 2 ms 632 KB Output is correct
11 Correct 2 ms 632 KB Output is correct
12 Correct 2 ms 632 KB Output is correct
13 Correct 2 ms 632 KB Output is correct
14 Correct 2 ms 636 KB Output is correct
15 Correct 2 ms 636 KB Output is correct
16 Correct 2 ms 636 KB Output is correct
17 Correct 2 ms 636 KB Output is correct
18 Correct 2 ms 636 KB Output is correct
19 Correct 2 ms 636 KB Output is correct
20 Correct 2 ms 636 KB Output is correct
21 Correct 2 ms 636 KB Output is correct
22 Correct 2 ms 636 KB Output is correct
23 Correct 2 ms 636 KB Output is correct
24 Correct 2 ms 636 KB Output is correct
25 Correct 2 ms 760 KB Output is correct
26 Correct 2 ms 760 KB Output is correct
27 Correct 2 ms 760 KB Output is correct
28 Correct 3 ms 760 KB Output is correct
29 Correct 2 ms 760 KB Output is correct
30 Correct 2 ms 760 KB Output is correct
31 Correct 2 ms 760 KB Output is correct
32 Correct 2 ms 760 KB Output is correct
33 Correct 2 ms 760 KB Output is correct
34 Correct 2 ms 760 KB Output is correct
35 Correct 2 ms 760 KB Output is correct
36 Correct 2 ms 760 KB Output is correct
37 Correct 3 ms 760 KB Output is correct
38 Correct 2 ms 760 KB Output is correct
39 Correct 2 ms 760 KB Output is correct
40 Correct 2 ms 760 KB Output is correct
41 Correct 2 ms 760 KB Output is correct
42 Correct 2 ms 760 KB Output is correct
43 Correct 2 ms 760 KB Output is correct
44 Correct 2 ms 760 KB Output is correct
45 Correct 3 ms 760 KB Output is correct
46 Correct 2 ms 760 KB Output is correct
47 Correct 2 ms 760 KB Output is correct
48 Correct 2 ms 760 KB Output is correct
49 Correct 2 ms 760 KB Output is correct
50 Correct 3 ms 760 KB Output is correct
51 Correct 3 ms 760 KB Output is correct
52 Correct 3 ms 760 KB Output is correct
53 Correct 3 ms 760 KB Output is correct
54 Correct 2 ms 760 KB Output is correct
55 Correct 3 ms 760 KB Output is correct
56 Correct 3 ms 760 KB Output is correct
57 Correct 3 ms 760 KB Output is correct
58 Correct 2 ms 760 KB Output is correct
59 Correct 2 ms 760 KB Output is correct
60 Correct 2 ms 760 KB Output is correct
61 Correct 2 ms 760 KB Output is correct
62 Correct 2 ms 760 KB Output is correct
63 Correct 2 ms 760 KB Output is correct
64 Correct 2 ms 760 KB Output is correct
65 Correct 2 ms 760 KB Output is correct
66 Correct 2 ms 760 KB Output is correct
67 Correct 2 ms 760 KB Output is correct
68 Correct 2 ms 760 KB Output is correct
69 Correct 2 ms 760 KB Output is correct
70 Correct 2 ms 760 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 2 ms 440 KB Output is correct
4 Correct 2 ms 488 KB Output is correct
5 Correct 2 ms 632 KB Output is correct
6 Correct 2 ms 632 KB Output is correct
7 Correct 2 ms 632 KB Output is correct
8 Correct 2 ms 632 KB Output is correct
9 Correct 2 ms 632 KB Output is correct
10 Correct 2 ms 632 KB Output is correct
11 Correct 2 ms 632 KB Output is correct
12 Correct 2 ms 632 KB Output is correct
13 Correct 2 ms 632 KB Output is correct
14 Correct 2 ms 636 KB Output is correct
15 Correct 2 ms 636 KB Output is correct
16 Correct 2 ms 636 KB Output is correct
17 Correct 2 ms 636 KB Output is correct
18 Correct 2 ms 636 KB Output is correct
19 Correct 2 ms 636 KB Output is correct
20 Correct 2 ms 636 KB Output is correct
21 Correct 2 ms 636 KB Output is correct
22 Correct 2 ms 636 KB Output is correct
23 Correct 2 ms 636 KB Output is correct
24 Correct 2 ms 636 KB Output is correct
25 Correct 2 ms 760 KB Output is correct
26 Correct 2 ms 760 KB Output is correct
27 Correct 2 ms 760 KB Output is correct
28 Correct 3 ms 760 KB Output is correct
29 Correct 2 ms 760 KB Output is correct
30 Correct 2 ms 760 KB Output is correct
31 Correct 2 ms 760 KB Output is correct
32 Correct 2 ms 760 KB Output is correct
33 Correct 2 ms 760 KB Output is correct
34 Correct 2 ms 760 KB Output is correct
35 Correct 2 ms 760 KB Output is correct
36 Correct 2 ms 760 KB Output is correct
37 Correct 3 ms 760 KB Output is correct
38 Correct 2 ms 760 KB Output is correct
39 Correct 2 ms 760 KB Output is correct
40 Correct 2 ms 760 KB Output is correct
41 Correct 2 ms 760 KB Output is correct
42 Correct 2 ms 760 KB Output is correct
43 Correct 2 ms 760 KB Output is correct
44 Correct 2 ms 760 KB Output is correct
45 Correct 3 ms 760 KB Output is correct
46 Correct 2 ms 760 KB Output is correct
47 Correct 2 ms 760 KB Output is correct
48 Correct 2 ms 760 KB Output is correct
49 Correct 2 ms 760 KB Output is correct
50 Correct 3 ms 760 KB Output is correct
51 Correct 3 ms 760 KB Output is correct
52 Correct 3 ms 760 KB Output is correct
53 Correct 3 ms 760 KB Output is correct
54 Correct 2 ms 760 KB Output is correct
55 Correct 3 ms 760 KB Output is correct
56 Correct 3 ms 760 KB Output is correct
57 Correct 3 ms 760 KB Output is correct
58 Correct 2 ms 760 KB Output is correct
59 Correct 2 ms 760 KB Output is correct
60 Correct 2 ms 760 KB Output is correct
61 Correct 2 ms 760 KB Output is correct
62 Correct 2 ms 760 KB Output is correct
63 Correct 2 ms 760 KB Output is correct
64 Correct 2 ms 760 KB Output is correct
65 Correct 2 ms 760 KB Output is correct
66 Correct 2 ms 760 KB Output is correct
67 Correct 2 ms 760 KB Output is correct
68 Correct 2 ms 760 KB Output is correct
69 Correct 2 ms 760 KB Output is correct
70 Correct 2 ms 760 KB Output is correct
71 Correct 157 ms 2800 KB Output is correct
72 Correct 98 ms 2800 KB Output is correct
73 Correct 195 ms 2800 KB Output is correct
74 Correct 72 ms 2800 KB Output is correct
75 Correct 109 ms 2800 KB Output is correct
76 Correct 369 ms 4872 KB Output is correct
77 Correct 448 ms 5100 KB Output is correct
78 Correct 274 ms 5100 KB Output is correct
79 Correct 297 ms 5100 KB Output is correct
80 Correct 2 ms 5100 KB Output is correct
81 Correct 2 ms 5100 KB Output is correct
82 Correct 3 ms 5100 KB Output is correct
83 Correct 29 ms 5100 KB Output is correct
84 Correct 31 ms 5100 KB Output is correct
85 Correct 8 ms 5100 KB Output is correct
86 Correct 2 ms 5100 KB Output is correct
87 Correct 27 ms 5100 KB Output is correct
88 Correct 2 ms 5100 KB Output is correct
89 Correct 2 ms 5100 KB Output is correct
90 Correct 2 ms 5100 KB Output is correct
91 Correct 6 ms 5100 KB Output is correct
92 Correct 26 ms 5100 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 2 ms 440 KB Output is correct
4 Correct 2 ms 488 KB Output is correct
5 Correct 2 ms 632 KB Output is correct
6 Correct 2 ms 632 KB Output is correct
7 Correct 2 ms 632 KB Output is correct
8 Correct 2 ms 632 KB Output is correct
9 Correct 2 ms 632 KB Output is correct
10 Correct 2 ms 632 KB Output is correct
11 Correct 2 ms 632 KB Output is correct
12 Correct 2 ms 632 KB Output is correct
13 Correct 2 ms 632 KB Output is correct
14 Correct 2 ms 636 KB Output is correct
15 Correct 2 ms 636 KB Output is correct
16 Correct 2 ms 636 KB Output is correct
17 Correct 2 ms 636 KB Output is correct
18 Correct 2 ms 636 KB Output is correct
19 Correct 2 ms 636 KB Output is correct
20 Correct 2 ms 636 KB Output is correct
21 Correct 2 ms 636 KB Output is correct
22 Correct 2 ms 636 KB Output is correct
23 Correct 2 ms 636 KB Output is correct
24 Correct 2 ms 636 KB Output is correct
25 Correct 2 ms 760 KB Output is correct
26 Correct 2 ms 760 KB Output is correct
27 Correct 2 ms 760 KB Output is correct
28 Correct 3 ms 760 KB Output is correct
29 Correct 2 ms 760 KB Output is correct
30 Correct 2 ms 760 KB Output is correct
31 Correct 2 ms 760 KB Output is correct
32 Correct 2 ms 760 KB Output is correct
33 Correct 2 ms 760 KB Output is correct
34 Correct 2 ms 760 KB Output is correct
35 Correct 2 ms 760 KB Output is correct
36 Correct 2 ms 760 KB Output is correct
37 Correct 3 ms 760 KB Output is correct
38 Correct 2 ms 760 KB Output is correct
39 Correct 2 ms 760 KB Output is correct
40 Correct 2 ms 760 KB Output is correct
41 Correct 2 ms 760 KB Output is correct
42 Correct 2 ms 760 KB Output is correct
43 Correct 2 ms 760 KB Output is correct
44 Correct 2 ms 760 KB Output is correct
45 Correct 3 ms 760 KB Output is correct
46 Correct 2 ms 760 KB Output is correct
47 Correct 2 ms 760 KB Output is correct
48 Correct 2 ms 760 KB Output is correct
49 Correct 2 ms 760 KB Output is correct
50 Correct 3 ms 760 KB Output is correct
51 Correct 3 ms 760 KB Output is correct
52 Correct 3 ms 760 KB Output is correct
53 Correct 3 ms 760 KB Output is correct
54 Correct 2 ms 760 KB Output is correct
55 Correct 3 ms 760 KB Output is correct
56 Correct 3 ms 760 KB Output is correct
57 Correct 3 ms 760 KB Output is correct
58 Correct 2 ms 760 KB Output is correct
59 Correct 2 ms 760 KB Output is correct
60 Correct 2 ms 760 KB Output is correct
61 Correct 2 ms 760 KB Output is correct
62 Correct 2 ms 760 KB Output is correct
63 Correct 2 ms 760 KB Output is correct
64 Correct 2 ms 760 KB Output is correct
65 Correct 2 ms 760 KB Output is correct
66 Correct 2 ms 760 KB Output is correct
67 Correct 2 ms 760 KB Output is correct
68 Correct 2 ms 760 KB Output is correct
69 Correct 2 ms 760 KB Output is correct
70 Correct 2 ms 760 KB Output is correct
71 Correct 157 ms 2800 KB Output is correct
72 Correct 98 ms 2800 KB Output is correct
73 Correct 195 ms 2800 KB Output is correct
74 Correct 72 ms 2800 KB Output is correct
75 Correct 109 ms 2800 KB Output is correct
76 Correct 369 ms 4872 KB Output is correct
77 Correct 448 ms 5100 KB Output is correct
78 Correct 274 ms 5100 KB Output is correct
79 Correct 297 ms 5100 KB Output is correct
80 Correct 2 ms 5100 KB Output is correct
81 Correct 2 ms 5100 KB Output is correct
82 Correct 3 ms 5100 KB Output is correct
83 Correct 29 ms 5100 KB Output is correct
84 Correct 31 ms 5100 KB Output is correct
85 Correct 8 ms 5100 KB Output is correct
86 Correct 2 ms 5100 KB Output is correct
87 Correct 27 ms 5100 KB Output is correct
88 Correct 2 ms 5100 KB Output is correct
89 Correct 2 ms 5100 KB Output is correct
90 Correct 2 ms 5100 KB Output is correct
91 Correct 6 ms 5100 KB Output is correct
92 Correct 26 ms 5100 KB Output is correct
93 Correct 1385 ms 9384 KB Output is correct
94 Correct 499 ms 9384 KB Output is correct
95 Correct 743 ms 9384 KB Output is correct
96 Correct 649 ms 9384 KB Output is correct
97 Correct 635 ms 9384 KB Output is correct
98 Correct 1734 ms 17332 KB Output is correct
99 Correct 2121 ms 17516 KB Output is correct
100 Correct 1799 ms 17516 KB Output is correct
101 Correct 2191 ms 17516 KB Output is correct
102 Correct 1897 ms 17516 KB Output is correct
103 Correct 884 ms 17516 KB Output is correct
104 Correct 3 ms 17516 KB Output is correct
105 Correct 2 ms 17516 KB Output is correct
106 Correct 4 ms 17516 KB Output is correct
107 Correct 115 ms 17516 KB Output is correct
108 Correct 266 ms 17516 KB Output is correct
109 Correct 12 ms 17516 KB Output is correct
110 Correct 2 ms 17516 KB Output is correct
111 Correct 92 ms 17516 KB Output is correct
112 Correct 3 ms 17516 KB Output is correct
113 Correct 3 ms 17516 KB Output is correct
114 Correct 3 ms 17516 KB Output is correct
115 Correct 2 ms 17516 KB Output is correct
116 Correct 5 ms 17516 KB Output is correct
117 Correct 113 ms 17516 KB Output is correct