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답안 #267086

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
267086 2020-08-15T19:39:57 Z peuch Toys (CEOI18_toy) C++17
59 / 100
 5000 ms 21172 KB 
#include<bits/stdc++.h>
using namespace std;

const int MAXN = 2e4;

int n;
int cnt;
int v[MAXN], qnt[MAXN];

vector<int> divisor;
set<int> ans;
map<int, set<int> > dp;

void getDiv(int num);
void bt(int cur, int val, int num);
void calcDP(int num);

int main(){
	scanf("%d", &n);
	calcDP(n);
	printf("%lu\n", ans.size());
	set<int> :: iterator it;
	for(it = ans.begin(); it != ans.end(); it++){
		printf("%d ", *it);
	}
	printf("\n");
}

void getDiv(int num){
	memset(v, 0, sizeof(v));
	memset(qnt, 0, sizeof(qnt));
	divisor.clear();
	cnt = 0;
	int x = num;
	for(int i = 2; i * i <= n; i++){
		if(x % i == 0){
			v[++cnt] = i;
			while(x % i == 0) qnt[cnt]++, x /= i;
		} 
	}
	bt(1, 1, num);	
}

void calcDP(int num){
	if(!dp[num].empty()){
		ans = dp[num];
		return;
	}
	getDiv(num);
	vector<int> aux = divisor;
	set<int> ret;
	set<int> :: iterator it1, it2;
	set<int> aux1, aux2;
	for(int i = 0; i < aux.size(); i++){
		calcDP(aux[i]);
		aux1 = ans;
		calcDP(num / aux[i]);
		aux2 = ans;
		for(it1 = aux1.begin(); it1 != aux1.end(); it1++)
			for(it2 = aux2.begin(); it2 != aux2.end(); it2++)
				ret.insert(*it1 + *it2);
	}
	ans = ret;
	ans.insert(num - 1);
	dp[num] = ans;
}

void bt(int cur, int val, int num){
	if(cur > cnt){
		if(val == 1 || val == num) return;
		divisor.push_back(min(val, num / val));
		return;
	}
	int aux = 1;
	for(int i = 0; i <= qnt[cur]; i++){
		bt(cur + 1, val * aux, num);
		aux *= v[cur];
	}
}

Compilation message

toy.cpp: In function 'void calcDP(int)':
toy.cpp:54:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |  for(int i = 0; i < aux.size(); i++){
      |                 ~~^~~~~~~~~~~~
toy.cpp: In function 'int main()':
toy.cpp:19:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   19 |  scanf("%d", &n);
      |  ~~~~~^~~~~~~~~~

Subtask #1
19.0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 512 KB Output is correct
2 Correct 1 ms 512 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 0 ms 512 KB Output is correct
5 Correct 0 ms 512 KB Output is correct
6 Correct 1 ms 512 KB Output is correct
7 Correct 1 ms 512 KB Output is correct
8 Correct 0 ms 512 KB Output is correct
9 Correct 0 ms 512 KB Output is correct
10 Correct 1 ms 512 KB Output is correct
11 Correct 0 ms 512 KB Output is correct
12 Correct 1 ms 512 KB Output is correct
13 Correct 0 ms 512 KB Output is correct
14 Correct 1 ms 512 KB Output is correct
15 Correct 0 ms 512 KB Output is correct
16 Correct 1 ms 512 KB Output is correct
17 Correct 1 ms 416 KB Output is correct
18 Correct 1 ms 512 KB Output is correct
19 Correct 1 ms 512 KB Output is correct
20 Correct 1 ms 512 KB Output is correct
21 Correct 1 ms 512 KB Output is correct
22 Correct 1 ms 512 KB Output is correct
23 Correct 1 ms 512 KB Output is correct
24 Correct 1 ms 512 KB Output is correct
25 Correct 1 ms 512 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 512 KB Output is correct
2 Correct 1 ms 512 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 0 ms 512 KB Output is correct
5 Correct 0 ms 512 KB Output is correct
6 Correct 1 ms 512 KB Output is correct
7 Correct 1 ms 512 KB Output is correct
8 Correct 0 ms 512 KB Output is correct
9 Correct 0 ms 512 KB Output is correct
10 Correct 1 ms 512 KB Output is correct
11 Correct 0 ms 512 KB Output is correct
12 Correct 1 ms 512 KB Output is correct
13 Correct 0 ms 512 KB Output is correct
14 Correct 1 ms 512 KB Output is correct
15 Correct 0 ms 512 KB Output is correct
16 Correct 1 ms 512 KB Output is correct
17 Correct 1 ms 416 KB Output is correct
18 Correct 1 ms 512 KB Output is correct
19 Correct 1 ms 512 KB Output is correct
20 Correct 1 ms 512 KB Output is correct
21 Correct 1 ms 512 KB Output is correct
22 Correct 1 ms 512 KB Output is correct
23 Correct 1 ms 512 KB Output is correct
24 Correct 1 ms 512 KB Output is correct
25 Correct 1 ms 512 KB Output is correct
26 Correct 3 ms 512 KB Output is correct
27 Correct 3 ms 512 KB Output is correct
28 Correct 2 ms 512 KB Output is correct
29 Correct 2 ms 512 KB Output is correct
30 Correct 1 ms 512 KB Output is correct
31 Correct 4 ms 512 KB Output is correct
32 Correct 4 ms 512 KB Output is correct
33 Correct 3 ms 512 KB Output is correct
34 Correct 1 ms 512 KB Output is correct
35 Correct 0 ms 512 KB Output is correct
36 Correct 1 ms 512 KB Output is correct
37 Correct 2 ms 512 KB Output is correct
38 Correct 1 ms 512 KB Output is correct
39 Correct 1 ms 512 KB Output is correct
40 Correct 2 ms 512 KB Output is correct
41 Correct 1 ms 512 KB Output is correct
42 Correct 0 ms 512 KB Output is correct
43 Correct 1 ms 512 KB Output is correct
44 Correct 1 ms 512 KB Output is correct
45 Correct 1 ms 512 KB Output is correct
46 Correct 1 ms 512 KB Output is correct
47 Correct 2 ms 512 KB Output is correct
48 Correct 1 ms 512 KB Output is correct
49 Correct 1 ms 512 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 512 KB Output is correct
2 Correct 1 ms 512 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 0 ms 512 KB Output is correct
5 Correct 0 ms 512 KB Output is correct
6 Correct 1 ms 512 KB Output is correct
7 Correct 1 ms 512 KB Output is correct
8 Correct 0 ms 512 KB Output is correct
9 Correct 0 ms 512 KB Output is correct
10 Correct 1 ms 512 KB Output is correct
11 Correct 0 ms 512 KB Output is correct
12 Correct 1 ms 512 KB Output is correct
13 Correct 0 ms 512 KB Output is correct
14 Correct 1 ms 512 KB Output is correct
15 Correct 0 ms 512 KB Output is correct
16 Correct 1 ms 512 KB Output is correct
17 Correct 1 ms 416 KB Output is correct
18 Correct 1 ms 512 KB Output is correct
19 Correct 1 ms 512 KB Output is correct
20 Correct 1 ms 512 KB Output is correct
21 Correct 1 ms 512 KB Output is correct
22 Correct 1 ms 512 KB Output is correct
23 Correct 1 ms 512 KB Output is correct
24 Correct 1 ms 512 KB Output is correct
25 Correct 1 ms 512 KB Output is correct
26 Correct 3 ms 512 KB Output is correct
27 Correct 3 ms 512 KB Output is correct
28 Correct 2 ms 512 KB Output is correct
29 Correct 2 ms 512 KB Output is correct
30 Correct 1 ms 512 KB Output is correct
31 Correct 4 ms 512 KB Output is correct
32 Correct 4 ms 512 KB Output is correct
33 Correct 3 ms 512 KB Output is correct
34 Correct 1 ms 512 KB Output is correct
35 Correct 0 ms 512 KB Output is correct
36 Correct 1 ms 512 KB Output is correct
37 Correct 2 ms 512 KB Output is correct
38 Correct 1 ms 512 KB Output is correct
39 Correct 1 ms 512 KB Output is correct
40 Correct 2 ms 512 KB Output is correct
41 Correct 1 ms 512 KB Output is correct
42 Correct 0 ms 512 KB Output is correct
43 Correct 1 ms 512 KB Output is correct
44 Correct 1 ms 512 KB Output is correct
45 Correct 1 ms 512 KB Output is correct
46 Correct 1 ms 512 KB Output is correct
47 Correct 2 ms 512 KB Output is correct
48 Correct 1 ms 512 KB Output is correct
49 Correct 1 ms 512 KB Output is correct
50 Correct 15 ms 768 KB Output is correct
51 Correct 13 ms 768 KB Output is correct
52 Correct 16 ms 768 KB Output is correct
53 Correct 13 ms 768 KB Output is correct
54 Correct 7 ms 640 KB Output is correct
55 Correct 28 ms 896 KB Output is correct
56 Correct 26 ms 888 KB Output is correct
57 Correct 22 ms 888 KB Output is correct
58 Correct 1 ms 512 KB Output is correct
59 Correct 0 ms 512 KB Output is correct
60 Correct 2 ms 512 KB Output is correct
61 Correct 13 ms 768 KB Output is correct
62 Correct 5 ms 640 KB Output is correct
63 Correct 3 ms 512 KB Output is correct
64 Correct 1 ms 512 KB Output is correct
65 Correct 10 ms 768 KB Output is correct
66 Correct 0 ms 512 KB Output is correct
67 Correct 1 ms 512 KB Output is correct
68 Correct 1 ms 512 KB Output is correct
69 Correct 2 ms 512 KB Output is correct
70 Correct 4 ms 640 KB Output is correct

Subtask #4
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 512 KB Output is correct
2 Correct 1 ms 512 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 0 ms 512 KB Output is correct
5 Correct 0 ms 512 KB Output is correct
6 Correct 1 ms 512 KB Output is correct
7 Correct 1 ms 512 KB Output is correct
8 Correct 0 ms 512 KB Output is correct
9 Correct 0 ms 512 KB Output is correct
10 Correct 1 ms 512 KB Output is correct
11 Correct 0 ms 512 KB Output is correct
12 Correct 1 ms 512 KB Output is correct
13 Correct 0 ms 512 KB Output is correct
14 Correct 1 ms 512 KB Output is correct
15 Correct 0 ms 512 KB Output is correct
16 Correct 1 ms 512 KB Output is correct
17 Correct 1 ms 416 KB Output is correct
18 Correct 1 ms 512 KB Output is correct
19 Correct 1 ms 512 KB Output is correct
20 Correct 1 ms 512 KB Output is correct
21 Correct 1 ms 512 KB Output is correct
22 Correct 1 ms 512 KB Output is correct
23 Correct 1 ms 512 KB Output is correct
24 Correct 1 ms 512 KB Output is correct
25 Correct 1 ms 512 KB Output is correct
26 Correct 3 ms 512 KB Output is correct
27 Correct 3 ms 512 KB Output is correct
28 Correct 2 ms 512 KB Output is correct
29 Correct 2 ms 512 KB Output is correct
30 Correct 1 ms 512 KB Output is correct
31 Correct 4 ms 512 KB Output is correct
32 Correct 4 ms 512 KB Output is correct
33 Correct 3 ms 512 KB Output is correct
34 Correct 1 ms 512 KB Output is correct
35 Correct 0 ms 512 KB Output is correct
36 Correct 1 ms 512 KB Output is correct
37 Correct 2 ms 512 KB Output is correct
38 Correct 1 ms 512 KB Output is correct
39 Correct 1 ms 512 KB Output is correct
40 Correct 2 ms 512 KB Output is correct
41 Correct 1 ms 512 KB Output is correct
42 Correct 0 ms 512 KB Output is correct
43 Correct 1 ms 512 KB Output is correct
44 Correct 1 ms 512 KB Output is correct
45 Correct 1 ms 512 KB Output is correct
46 Correct 1 ms 512 KB Output is correct
47 Correct 2 ms 512 KB Output is correct
48 Correct 1 ms 512 KB Output is correct
49 Correct 1 ms 512 KB Output is correct
50 Correct 15 ms 768 KB Output is correct
51 Correct 13 ms 768 KB Output is correct
52 Correct 16 ms 768 KB Output is correct
53 Correct 13 ms 768 KB Output is correct
54 Correct 7 ms 640 KB Output is correct
55 Correct 28 ms 896 KB Output is correct
56 Correct 26 ms 888 KB Output is correct
57 Correct 22 ms 888 KB Output is correct
58 Correct 1 ms 512 KB Output is correct
59 Correct 0 ms 512 KB Output is correct
60 Correct 2 ms 512 KB Output is correct
61 Correct 13 ms 768 KB Output is correct
62 Correct 5 ms 640 KB Output is correct
63 Correct 3 ms 512 KB Output is correct
64 Correct 1 ms 512 KB Output is correct
65 Correct 10 ms 768 KB Output is correct
66 Correct 0 ms 512 KB Output is correct
67 Correct 1 ms 512 KB Output is correct
68 Correct 1 ms 512 KB Output is correct
69 Correct 2 ms 512 KB Output is correct
70 Correct 4 ms 640 KB Output is correct
71 Correct 4679 ms 21172 KB Output is correct
72 Correct 2837 ms 16288 KB Output is correct
73 Correct 4993 ms 18972 KB Output is correct
74 Correct 1987 ms 12948 KB Output is correct
75 Correct 2685 ms 13660 KB Output is correct
76 Execution timed out 5066 ms 20928 KB Time limit exceeded
77 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 512 KB Output is correct
2 Correct 1 ms 512 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 0 ms 512 KB Output is correct
5 Correct 0 ms 512 KB Output is correct
6 Correct 1 ms 512 KB Output is correct
7 Correct 1 ms 512 KB Output is correct
8 Correct 0 ms 512 KB Output is correct
9 Correct 0 ms 512 KB Output is correct
10 Correct 1 ms 512 KB Output is correct
11 Correct 0 ms 512 KB Output is correct
12 Correct 1 ms 512 KB Output is correct
13 Correct 0 ms 512 KB Output is correct
14 Correct 1 ms 512 KB Output is correct
15 Correct 0 ms 512 KB Output is correct
16 Correct 1 ms 512 KB Output is correct
17 Correct 1 ms 416 KB Output is correct
18 Correct 1 ms 512 KB Output is correct
19 Correct 1 ms 512 KB Output is correct
20 Correct 1 ms 512 KB Output is correct
21 Correct 1 ms 512 KB Output is correct
22 Correct 1 ms 512 KB Output is correct
23 Correct 1 ms 512 KB Output is correct
24 Correct 1 ms 512 KB Output is correct
25 Correct 1 ms 512 KB Output is correct
26 Correct 3 ms 512 KB Output is correct
27 Correct 3 ms 512 KB Output is correct
28 Correct 2 ms 512 KB Output is correct
29 Correct 2 ms 512 KB Output is correct
30 Correct 1 ms 512 KB Output is correct
31 Correct 4 ms 512 KB Output is correct
32 Correct 4 ms 512 KB Output is correct
33 Correct 3 ms 512 KB Output is correct
34 Correct 1 ms 512 KB Output is correct
35 Correct 0 ms 512 KB Output is correct
36 Correct 1 ms 512 KB Output is correct
37 Correct 2 ms 512 KB Output is correct
38 Correct 1 ms 512 KB Output is correct
39 Correct 1 ms 512 KB Output is correct
40 Correct 2 ms 512 KB Output is correct
41 Correct 1 ms 512 KB Output is correct
42 Correct 0 ms 512 KB Output is correct
43 Correct 1 ms 512 KB Output is correct
44 Correct 1 ms 512 KB Output is correct
45 Correct 1 ms 512 KB Output is correct
46 Correct 1 ms 512 KB Output is correct
47 Correct 2 ms 512 KB Output is correct
48 Correct 1 ms 512 KB Output is correct
49 Correct 1 ms 512 KB Output is correct
50 Correct 15 ms 768 KB Output is correct
51 Correct 13 ms 768 KB Output is correct
52 Correct 16 ms 768 KB Output is correct
53 Correct 13 ms 768 KB Output is correct
54 Correct 7 ms 640 KB Output is correct
55 Correct 28 ms 896 KB Output is correct
56 Correct 26 ms 888 KB Output is correct
57 Correct 22 ms 888 KB Output is correct
58 Correct 1 ms 512 KB Output is correct
59 Correct 0 ms 512 KB Output is correct
60 Correct 2 ms 512 KB Output is correct
61 Correct 13 ms 768 KB Output is correct
62 Correct 5 ms 640 KB Output is correct
63 Correct 3 ms 512 KB Output is correct
64 Correct 1 ms 512 KB Output is correct
65 Correct 10 ms 768 KB Output is correct
66 Correct 0 ms 512 KB Output is correct
67 Correct 1 ms 512 KB Output is correct
68 Correct 1 ms 512 KB Output is correct
69 Correct 2 ms 512 KB Output is correct
70 Correct 4 ms 640 KB Output is correct
71 Correct 4679 ms 21172 KB Output is correct
72 Correct 2837 ms 16288 KB Output is correct
73 Correct 4993 ms 18972 KB Output is correct
74 Correct 1987 ms 12948 KB Output is correct
75 Correct 2685 ms 13660 KB Output is correct
76 Execution timed out 5066 ms 20928 KB Time limit exceeded
77 Halted 0 ms 0 KB -