답안 #1077072

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1077072	2024-08-26T22:19:17 Z	xnqs	Bootfall (IZhO17_bootfall)	C++17	100 / 100	152 ms	3028 KB

bootfall

#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
#include <utility>
#include <algorithm>
#include <cstdint>

int x;
int arr[505];
uint32_t knapsack[125005];
int freq[250005];

void knapsack_add(int val) {
	for (int i = 125004; i >= val; i--) {
		knapsack[i] += knapsack[i-val];
	}
}

void knapsack_remove(int val) {
	for (int i = 0; i < 125005-val; i++) {
		knapsack[i+val] -= knapsack[i];
	}
}

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

	std::cin >> x;

	int sum = 0;
	knapsack[0] = 1;
	for (int i = 1; i <= x; i++) {
		std::cin >> arr[i];
		sum += arr[i];
		knapsack_add(arr[i]);
	}

	if (sum%2==1) {
		std::cout << "0\n";
		return 0;
	}
	if (!knapsack[sum/2]) {
		std::cout << "0\n";
		return 0;
	}

	for (int i = x; i >= 1; i--) {
		sum -= arr[i];
		knapsack_remove(arr[i]);
		if (i+1<=x) {
			sum += arr[i+1];
			knapsack_add(arr[i+1]);
		}

		for (int i = 0; i <= sum/2; i++) {
			freq[sum-i-i] += !!knapsack[i];
		}
	}

	std::vector<int> ret;
	for (int i = 1; i < 250005; i++) {
		if (freq[i]==x) {
			ret.emplace_back(i);
		}
	}

	std::cout << ret.size() << "\n";
	for (const auto& i : ret) {
		std::cout << i << " ";
	}
	std::cout << "\n";
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	1112 KB	Output is correct
2	Correct	2 ms	860 KB	Output is correct
3	Correct	1 ms	860 KB	Output is correct
4	Correct	2 ms	960 KB	Output is correct
5	Correct	3 ms	860 KB	Output is correct
6	Correct	2 ms	860 KB	Output is correct
7	Correct	2 ms	860 KB	Output is correct
8	Correct	3 ms	860 KB	Output is correct
9	Correct	2 ms	860 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	1112 KB	Output is correct
2	Correct	2 ms	860 KB	Output is correct
3	Correct	1 ms	860 KB	Output is correct
4	Correct	2 ms	960 KB	Output is correct
5	Correct	3 ms	860 KB	Output is correct
6	Correct	2 ms	860 KB	Output is correct
7	Correct	2 ms	860 KB	Output is correct
8	Correct	3 ms	860 KB	Output is correct
9	Correct	2 ms	860 KB	Output is correct
10	Correct	7 ms	856 KB	Output is correct
11	Correct	7 ms	860 KB	Output is correct
12	Correct	7 ms	860 KB	Output is correct
13	Correct	6 ms	956 KB	Output is correct
14	Correct	7 ms	860 KB	Output is correct
15	Correct	6 ms	860 KB	Output is correct
16	Correct	7 ms	956 KB	Output is correct
17	Correct	5 ms	956 KB	Output is correct
18	Correct	6 ms	860 KB	Output is correct
19	Correct	6 ms	956 KB	Output is correct
20	Correct	8 ms	1096 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	1112 KB	Output is correct
2	Correct	2 ms	860 KB	Output is correct
3	Correct	1 ms	860 KB	Output is correct
4	Correct	2 ms	960 KB	Output is correct
5	Correct	3 ms	860 KB	Output is correct
6	Correct	2 ms	860 KB	Output is correct
7	Correct	2 ms	860 KB	Output is correct
8	Correct	3 ms	860 KB	Output is correct
9	Correct	2 ms	860 KB	Output is correct
10	Correct	7 ms	856 KB	Output is correct
11	Correct	7 ms	860 KB	Output is correct
12	Correct	7 ms	860 KB	Output is correct
13	Correct	6 ms	956 KB	Output is correct
14	Correct	7 ms	860 KB	Output is correct
15	Correct	6 ms	860 KB	Output is correct
16	Correct	7 ms	956 KB	Output is correct
17	Correct	5 ms	956 KB	Output is correct
18	Correct	6 ms	860 KB	Output is correct
19	Correct	6 ms	956 KB	Output is correct
20	Correct	8 ms	1096 KB	Output is correct
21	Correct	13 ms	860 KB	Output is correct
22	Correct	15 ms	964 KB	Output is correct
23	Correct	11 ms	860 KB	Output is correct
24	Correct	19 ms	860 KB	Output is correct
25	Correct	18 ms	860 KB	Output is correct
26	Correct	20 ms	856 KB	Output is correct
27	Correct	27 ms	976 KB	Output is correct
28	Correct	20 ms	856 KB	Output is correct
29	Correct	21 ms	992 KB	Output is correct
30	Correct	26 ms	1112 KB	Output is correct
31	Correct	20 ms	972 KB	Output is correct
32	Correct	20 ms	952 KB	Output is correct
33	Correct	20 ms	936 KB	Output is correct
34	Correct	20 ms	956 KB	Output is correct
35	Correct	20 ms	860 KB	Output is correct
36	Correct	20 ms	968 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	1112 KB	Output is correct
2	Correct	2 ms	860 KB	Output is correct
3	Correct	1 ms	860 KB	Output is correct
4	Correct	2 ms	960 KB	Output is correct
5	Correct	3 ms	860 KB	Output is correct
6	Correct	2 ms	860 KB	Output is correct
7	Correct	2 ms	860 KB	Output is correct
8	Correct	3 ms	860 KB	Output is correct
9	Correct	2 ms	860 KB	Output is correct
10	Correct	7 ms	856 KB	Output is correct
11	Correct	7 ms	860 KB	Output is correct
12	Correct	7 ms	860 KB	Output is correct
13	Correct	6 ms	956 KB	Output is correct
14	Correct	7 ms	860 KB	Output is correct
15	Correct	6 ms	860 KB	Output is correct
16	Correct	7 ms	956 KB	Output is correct
17	Correct	5 ms	956 KB	Output is correct
18	Correct	6 ms	860 KB	Output is correct
19	Correct	6 ms	956 KB	Output is correct
20	Correct	8 ms	1096 KB	Output is correct
21	Correct	13 ms	860 KB	Output is correct
22	Correct	15 ms	964 KB	Output is correct
23	Correct	11 ms	860 KB	Output is correct
24	Correct	19 ms	860 KB	Output is correct
25	Correct	18 ms	860 KB	Output is correct
26	Correct	20 ms	856 KB	Output is correct
27	Correct	27 ms	976 KB	Output is correct
28	Correct	20 ms	856 KB	Output is correct
29	Correct	21 ms	992 KB	Output is correct
30	Correct	26 ms	1112 KB	Output is correct
31	Correct	20 ms	972 KB	Output is correct
32	Correct	20 ms	952 KB	Output is correct
33	Correct	20 ms	936 KB	Output is correct
34	Correct	20 ms	956 KB	Output is correct
35	Correct	20 ms	860 KB	Output is correct
36	Correct	20 ms	968 KB	Output is correct
37	Correct	39 ms	1012 KB	Output is correct
38	Correct	44 ms	1028 KB	Output is correct
39	Correct	63 ms	1168 KB	Output is correct
40	Correct	55 ms	1108 KB	Output is correct
41	Correct	74 ms	1112 KB	Output is correct
42	Correct	50 ms	1044 KB	Output is correct
43	Correct	51 ms	1360 KB	Output is correct
44	Correct	60 ms	1412 KB	Output is correct
45	Correct	59 ms	1408 KB	Output is correct
46	Correct	54 ms	860 KB	Output is correct
47	Correct	51 ms	1104 KB	Output is correct
48	Correct	52 ms	1428 KB	Output is correct
49	Correct	51 ms	1212 KB	Output is correct
50	Correct	50 ms	1080 KB	Output is correct
51	Correct	14 ms	856 KB	Output is correct
52	Correct	57 ms	1460 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	1112 KB	Output is correct
2	Correct	2 ms	860 KB	Output is correct
3	Correct	1 ms	860 KB	Output is correct
4	Correct	2 ms	960 KB	Output is correct
5	Correct	3 ms	860 KB	Output is correct
6	Correct	2 ms	860 KB	Output is correct
7	Correct	2 ms	860 KB	Output is correct
8	Correct	3 ms	860 KB	Output is correct
9	Correct	2 ms	860 KB	Output is correct
10	Correct	7 ms	856 KB	Output is correct
11	Correct	7 ms	860 KB	Output is correct
12	Correct	7 ms	860 KB	Output is correct
13	Correct	6 ms	956 KB	Output is correct
14	Correct	7 ms	860 KB	Output is correct
15	Correct	6 ms	860 KB	Output is correct
16	Correct	7 ms	956 KB	Output is correct
17	Correct	5 ms	956 KB	Output is correct
18	Correct	6 ms	860 KB	Output is correct
19	Correct	6 ms	956 KB	Output is correct
20	Correct	8 ms	1096 KB	Output is correct
21	Correct	13 ms	860 KB	Output is correct
22	Correct	15 ms	964 KB	Output is correct
23	Correct	11 ms	860 KB	Output is correct
24	Correct	19 ms	860 KB	Output is correct
25	Correct	18 ms	860 KB	Output is correct
26	Correct	20 ms	856 KB	Output is correct
27	Correct	27 ms	976 KB	Output is correct
28	Correct	20 ms	856 KB	Output is correct
29	Correct	21 ms	992 KB	Output is correct
30	Correct	26 ms	1112 KB	Output is correct
31	Correct	20 ms	972 KB	Output is correct
32	Correct	20 ms	952 KB	Output is correct
33	Correct	20 ms	936 KB	Output is correct
34	Correct	20 ms	956 KB	Output is correct
35	Correct	20 ms	860 KB	Output is correct
36	Correct	20 ms	968 KB	Output is correct
37	Correct	39 ms	1012 KB	Output is correct
38	Correct	44 ms	1028 KB	Output is correct
39	Correct	63 ms	1168 KB	Output is correct
40	Correct	55 ms	1108 KB	Output is correct
41	Correct	74 ms	1112 KB	Output is correct
42	Correct	50 ms	1044 KB	Output is correct
43	Correct	51 ms	1360 KB	Output is correct
44	Correct	60 ms	1412 KB	Output is correct
45	Correct	59 ms	1408 KB	Output is correct
46	Correct	54 ms	860 KB	Output is correct
47	Correct	51 ms	1104 KB	Output is correct
48	Correct	52 ms	1428 KB	Output is correct
49	Correct	51 ms	1212 KB	Output is correct
50	Correct	50 ms	1080 KB	Output is correct
51	Correct	14 ms	856 KB	Output is correct
52	Correct	57 ms	1460 KB	Output is correct
53	Correct	62 ms	1364 KB	Output is correct
54	Correct	72 ms	1408 KB	Output is correct
55	Correct	105 ms	1748 KB	Output is correct
56	Correct	63 ms	1364 KB	Output is correct
57	Correct	78 ms	1996 KB	Output is correct
58	Correct	78 ms	1428 KB	Output is correct
59	Correct	87 ms	1632 KB	Output is correct
60	Correct	18 ms	952 KB	Output is correct
61	Correct	75 ms	1588 KB	Output is correct
62	Correct	69 ms	1752 KB	Output is correct
63	Correct	73 ms	1740 KB	Output is correct
64	Correct	69 ms	1752 KB	Output is correct
65	Correct	63 ms	1120 KB	Output is correct
66	Correct	63 ms	1112 KB	Output is correct

Subtask #6
35.0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	1112 KB	Output is correct
2	Correct	2 ms	860 KB	Output is correct
3	Correct	1 ms	860 KB	Output is correct
4	Correct	2 ms	960 KB	Output is correct
5	Correct	3 ms	860 KB	Output is correct
6	Correct	2 ms	860 KB	Output is correct
7	Correct	2 ms	860 KB	Output is correct
8	Correct	3 ms	860 KB	Output is correct
9	Correct	2 ms	860 KB	Output is correct
10	Correct	7 ms	856 KB	Output is correct
11	Correct	7 ms	860 KB	Output is correct
12	Correct	7 ms	860 KB	Output is correct
13	Correct	6 ms	956 KB	Output is correct
14	Correct	7 ms	860 KB	Output is correct
15	Correct	6 ms	860 KB	Output is correct
16	Correct	7 ms	956 KB	Output is correct
17	Correct	5 ms	956 KB	Output is correct
18	Correct	6 ms	860 KB	Output is correct
19	Correct	6 ms	956 KB	Output is correct
20	Correct	8 ms	1096 KB	Output is correct
21	Correct	13 ms	860 KB	Output is correct
22	Correct	15 ms	964 KB	Output is correct
23	Correct	11 ms	860 KB	Output is correct
24	Correct	19 ms	860 KB	Output is correct
25	Correct	18 ms	860 KB	Output is correct
26	Correct	20 ms	856 KB	Output is correct
27	Correct	27 ms	976 KB	Output is correct
28	Correct	20 ms	856 KB	Output is correct
29	Correct	21 ms	992 KB	Output is correct
30	Correct	26 ms	1112 KB	Output is correct
31	Correct	20 ms	972 KB	Output is correct
32	Correct	20 ms	952 KB	Output is correct
33	Correct	20 ms	936 KB	Output is correct
34	Correct	20 ms	956 KB	Output is correct
35	Correct	20 ms	860 KB	Output is correct
36	Correct	20 ms	968 KB	Output is correct
37	Correct	39 ms	1012 KB	Output is correct
38	Correct	44 ms	1028 KB	Output is correct
39	Correct	63 ms	1168 KB	Output is correct
40	Correct	55 ms	1108 KB	Output is correct
41	Correct	74 ms	1112 KB	Output is correct
42	Correct	50 ms	1044 KB	Output is correct
43	Correct	51 ms	1360 KB	Output is correct
44	Correct	60 ms	1412 KB	Output is correct
45	Correct	59 ms	1408 KB	Output is correct
46	Correct	54 ms	860 KB	Output is correct
47	Correct	51 ms	1104 KB	Output is correct
48	Correct	52 ms	1428 KB	Output is correct
49	Correct	51 ms	1212 KB	Output is correct
50	Correct	50 ms	1080 KB	Output is correct
51	Correct	14 ms	856 KB	Output is correct
52	Correct	57 ms	1460 KB	Output is correct
53	Correct	62 ms	1364 KB	Output is correct
54	Correct	72 ms	1408 KB	Output is correct
55	Correct	105 ms	1748 KB	Output is correct
56	Correct	63 ms	1364 KB	Output is correct
57	Correct	78 ms	1996 KB	Output is correct
58	Correct	78 ms	1428 KB	Output is correct
59	Correct	87 ms	1632 KB	Output is correct
60	Correct	18 ms	952 KB	Output is correct
61	Correct	75 ms	1588 KB	Output is correct
62	Correct	69 ms	1752 KB	Output is correct
63	Correct	73 ms	1740 KB	Output is correct
64	Correct	69 ms	1752 KB	Output is correct
65	Correct	63 ms	1120 KB	Output is correct
66	Correct	63 ms	1112 KB	Output is correct
67	Correct	85 ms	1592 KB	Output is correct
68	Correct	26 ms	856 KB	Output is correct
69	Correct	125 ms	2772 KB	Output is correct
70	Correct	113 ms	2008 KB	Output is correct
71	Correct	121 ms	2068 KB	Output is correct
72	Correct	111 ms	1360 KB	Output is correct
73	Correct	110 ms	1368 KB	Output is correct
74	Correct	127 ms	3028 KB	Output is correct
75	Correct	119 ms	2512 KB	Output is correct
76	Correct	131 ms	3028 KB	Output is correct
77	Correct	152 ms	3028 KB	Output is correct

답안 #1077072

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 7.0 / 7.0

Subtask #3 15.0 / 15.0

Subtask #4 16.0 / 16.0

Subtask #5 21.0 / 21.0

Subtask #6 35.0 / 35.0

Subtask #1
6.0 / 6.0

Subtask #2
7.0 / 7.0

Subtask #3
15.0 / 15.0

Subtask #4
16.0 / 16.0

Subtask #5
21.0 / 21.0

Subtask #6
35.0 / 35.0