답안 #507245

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
507245	2022-01-12T09:56:33 Z	abc864197532	Bootfall (IZhO17_bootfall)	C++17	100 / 100	508 ms	2044 KB

bootfall

#include <bits/stdc++.h>
using namespace std;
#define lli long long int
#define mp make_pair
#define eb emplace_back
#define pb push_back
#define X first
#define Y second
#define pii pair<int, int>
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
void abc() {cout << endl;}
template <typename T, typename ...U> void abc(T i, U ...j) {
	cout << i << ' ', abc(j...);
}
template <typename T> void printv(T l, T r) {
	for (; l != r; ++l)
		cout << *l << " \n"[l + 1 == r];
}
#define test(x...) abc("[" + string(#x) + "]", x);
const int N = 500 * 500 + 5, C = 23;

bitset <N> dp;

int main () {
	ios::sync_with_stdio(false);
	cin.tie(0);
	int n;
	cin >> n;
	vector <int> a(n);
	int sum = 0;
	dp.flip(0);
	for (int i = 0; i < n; ++i) {
		cin >> a[i];
		sum += a[i];
		dp |= dp << a[i];
	}
	if (sum & 1 || !dp[sum >> 1]) {
		cout << 0 << endl << endl;
	} else {
		vector <int> ans(N, 0);
		for (int i = 0; i < n; i += C) {
			int to = min(i + C, n);
			dp.reset(), dp.flip(0);
			for (int j = 0; j < i; ++j)
				dp |= dp << a[j];
			for (int j = to; j < n; ++j)
				dp |= dp << a[j];
			for (int j = i; j < to; ++j) {
				auto cur = dp;
				for (int k = i; k < to; ++k) if (k ^ j)
					cur |= cur << a[k];
				for (int i = 0; i <= (sum - a[j]) / 2; ++i) if (cur[i])
					ans[abs(sum - a[j] - i - i)]++;
			}
		}
		int cnt = 0;
		for (int i : ans) if (i == n)
			cnt++;
		cout << cnt << endl;
		for (int i = 0; i < N; ++i) if (ans[i] == n)
			cout << i << ' ';
		cout << endl;
	}
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1356 KB	Output is correct
2	Correct	1 ms	1356 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	1356 KB	Output is correct
5	Correct	2 ms	1356 KB	Output is correct
6	Correct	2 ms	1312 KB	Output is correct
7	Correct	2 ms	1356 KB	Output is correct
8	Correct	2 ms	1408 KB	Output is correct
9	Correct	2 ms	1356 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1356 KB	Output is correct
2	Correct	1 ms	1356 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	1356 KB	Output is correct
5	Correct	2 ms	1356 KB	Output is correct
6	Correct	2 ms	1312 KB	Output is correct
7	Correct	2 ms	1356 KB	Output is correct
8	Correct	2 ms	1408 KB	Output is correct
9	Correct	2 ms	1356 KB	Output is correct
10	Correct	5 ms	1356 KB	Output is correct
11	Correct	7 ms	1416 KB	Output is correct
12	Correct	5 ms	1356 KB	Output is correct
13	Correct	5 ms	1356 KB	Output is correct
14	Correct	5 ms	1424 KB	Output is correct
15	Correct	6 ms	1420 KB	Output is correct
16	Correct	5 ms	1368 KB	Output is correct
17	Correct	5 ms	1356 KB	Output is correct
18	Correct	5 ms	1356 KB	Output is correct
19	Correct	5 ms	1356 KB	Output is correct
20	Correct	5 ms	1428 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1356 KB	Output is correct
2	Correct	1 ms	1356 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	1356 KB	Output is correct
5	Correct	2 ms	1356 KB	Output is correct
6	Correct	2 ms	1312 KB	Output is correct
7	Correct	2 ms	1356 KB	Output is correct
8	Correct	2 ms	1408 KB	Output is correct
9	Correct	2 ms	1356 KB	Output is correct
10	Correct	5 ms	1356 KB	Output is correct
11	Correct	7 ms	1416 KB	Output is correct
12	Correct	5 ms	1356 KB	Output is correct
13	Correct	5 ms	1356 KB	Output is correct
14	Correct	5 ms	1424 KB	Output is correct
15	Correct	6 ms	1420 KB	Output is correct
16	Correct	5 ms	1368 KB	Output is correct
17	Correct	5 ms	1356 KB	Output is correct
18	Correct	5 ms	1356 KB	Output is correct
19	Correct	5 ms	1356 KB	Output is correct
20	Correct	5 ms	1428 KB	Output is correct
21	Correct	12 ms	1420 KB	Output is correct
22	Correct	15 ms	1424 KB	Output is correct
23	Correct	10 ms	1428 KB	Output is correct
24	Correct	21 ms	1412 KB	Output is correct
25	Correct	22 ms	1416 KB	Output is correct
26	Correct	29 ms	1416 KB	Output is correct
27	Correct	23 ms	1408 KB	Output is correct
28	Correct	28 ms	1412 KB	Output is correct
29	Correct	23 ms	1424 KB	Output is correct
30	Correct	22 ms	1356 KB	Output is correct
31	Correct	24 ms	1356 KB	Output is correct
32	Correct	29 ms	1412 KB	Output is correct
33	Correct	21 ms	1356 KB	Output is correct
34	Correct	20 ms	1408 KB	Output is correct
35	Correct	30 ms	1364 KB	Output is correct
36	Correct	21 ms	1440 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1356 KB	Output is correct
2	Correct	1 ms	1356 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	1356 KB	Output is correct
5	Correct	2 ms	1356 KB	Output is correct
6	Correct	2 ms	1312 KB	Output is correct
7	Correct	2 ms	1356 KB	Output is correct
8	Correct	2 ms	1408 KB	Output is correct
9	Correct	2 ms	1356 KB	Output is correct
10	Correct	5 ms	1356 KB	Output is correct
11	Correct	7 ms	1416 KB	Output is correct
12	Correct	5 ms	1356 KB	Output is correct
13	Correct	5 ms	1356 KB	Output is correct
14	Correct	5 ms	1424 KB	Output is correct
15	Correct	6 ms	1420 KB	Output is correct
16	Correct	5 ms	1368 KB	Output is correct
17	Correct	5 ms	1356 KB	Output is correct
18	Correct	5 ms	1356 KB	Output is correct
19	Correct	5 ms	1356 KB	Output is correct
20	Correct	5 ms	1428 KB	Output is correct
21	Correct	12 ms	1420 KB	Output is correct
22	Correct	15 ms	1424 KB	Output is correct
23	Correct	10 ms	1428 KB	Output is correct
24	Correct	21 ms	1412 KB	Output is correct
25	Correct	22 ms	1416 KB	Output is correct
26	Correct	29 ms	1416 KB	Output is correct
27	Correct	23 ms	1408 KB	Output is correct
28	Correct	28 ms	1412 KB	Output is correct
29	Correct	23 ms	1424 KB	Output is correct
30	Correct	22 ms	1356 KB	Output is correct
31	Correct	24 ms	1356 KB	Output is correct
32	Correct	29 ms	1412 KB	Output is correct
33	Correct	21 ms	1356 KB	Output is correct
34	Correct	20 ms	1408 KB	Output is correct
35	Correct	30 ms	1364 KB	Output is correct
36	Correct	21 ms	1440 KB	Output is correct
37	Correct	55 ms	1412 KB	Output is correct
38	Correct	66 ms	1412 KB	Output is correct
39	Correct	71 ms	1408 KB	Output is correct
40	Correct	97 ms	1400 KB	Output is correct
41	Correct	82 ms	1400 KB	Output is correct
42	Correct	95 ms	1404 KB	Output is correct
43	Correct	98 ms	1524 KB	Output is correct
44	Correct	106 ms	1532 KB	Output is correct
45	Correct	115 ms	1528 KB	Output is correct
46	Correct	84 ms	1356 KB	Output is correct
47	Correct	96 ms	1408 KB	Output is correct
48	Correct	114 ms	1400 KB	Output is correct
49	Correct	103 ms	1412 KB	Output is correct
50	Correct	96 ms	1412 KB	Output is correct
51	Correct	3 ms	332 KB	Output is correct
52	Correct	118 ms	1528 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1356 KB	Output is correct
2	Correct	1 ms	1356 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	1356 KB	Output is correct
5	Correct	2 ms	1356 KB	Output is correct
6	Correct	2 ms	1312 KB	Output is correct
7	Correct	2 ms	1356 KB	Output is correct
8	Correct	2 ms	1408 KB	Output is correct
9	Correct	2 ms	1356 KB	Output is correct
10	Correct	5 ms	1356 KB	Output is correct
11	Correct	7 ms	1416 KB	Output is correct
12	Correct	5 ms	1356 KB	Output is correct
13	Correct	5 ms	1356 KB	Output is correct
14	Correct	5 ms	1424 KB	Output is correct
15	Correct	6 ms	1420 KB	Output is correct
16	Correct	5 ms	1368 KB	Output is correct
17	Correct	5 ms	1356 KB	Output is correct
18	Correct	5 ms	1356 KB	Output is correct
19	Correct	5 ms	1356 KB	Output is correct
20	Correct	5 ms	1428 KB	Output is correct
21	Correct	12 ms	1420 KB	Output is correct
22	Correct	15 ms	1424 KB	Output is correct
23	Correct	10 ms	1428 KB	Output is correct
24	Correct	21 ms	1412 KB	Output is correct
25	Correct	22 ms	1416 KB	Output is correct
26	Correct	29 ms	1416 KB	Output is correct
27	Correct	23 ms	1408 KB	Output is correct
28	Correct	28 ms	1412 KB	Output is correct
29	Correct	23 ms	1424 KB	Output is correct
30	Correct	22 ms	1356 KB	Output is correct
31	Correct	24 ms	1356 KB	Output is correct
32	Correct	29 ms	1412 KB	Output is correct
33	Correct	21 ms	1356 KB	Output is correct
34	Correct	20 ms	1408 KB	Output is correct
35	Correct	30 ms	1364 KB	Output is correct
36	Correct	21 ms	1440 KB	Output is correct
37	Correct	55 ms	1412 KB	Output is correct
38	Correct	66 ms	1412 KB	Output is correct
39	Correct	71 ms	1408 KB	Output is correct
40	Correct	97 ms	1400 KB	Output is correct
41	Correct	82 ms	1400 KB	Output is correct
42	Correct	95 ms	1404 KB	Output is correct
43	Correct	98 ms	1524 KB	Output is correct
44	Correct	106 ms	1532 KB	Output is correct
45	Correct	115 ms	1528 KB	Output is correct
46	Correct	84 ms	1356 KB	Output is correct
47	Correct	96 ms	1408 KB	Output is correct
48	Correct	114 ms	1400 KB	Output is correct
49	Correct	103 ms	1412 KB	Output is correct
50	Correct	96 ms	1412 KB	Output is correct
51	Correct	3 ms	332 KB	Output is correct
52	Correct	118 ms	1528 KB	Output is correct
53	Correct	163 ms	1528 KB	Output is correct
54	Correct	206 ms	1528 KB	Output is correct
55	Correct	209 ms	1664 KB	Output is correct
56	Correct	145 ms	1532 KB	Output is correct
57	Correct	220 ms	1656 KB	Output is correct
58	Correct	176 ms	1524 KB	Output is correct
59	Correct	232 ms	1536 KB	Output is correct
60	Correct	5 ms	332 KB	Output is correct
61	Correct	215 ms	1532 KB	Output is correct
62	Correct	177 ms	1656 KB	Output is correct
63	Correct	186 ms	1652 KB	Output is correct
64	Correct	196 ms	1660 KB	Output is correct
65	Correct	103 ms	1404 KB	Output is correct
66	Correct	101 ms	1412 KB	Output is correct

Subtask #6
35.0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	1356 KB	Output is correct
2	Correct	1 ms	1356 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	1356 KB	Output is correct
5	Correct	2 ms	1356 KB	Output is correct
6	Correct	2 ms	1312 KB	Output is correct
7	Correct	2 ms	1356 KB	Output is correct
8	Correct	2 ms	1408 KB	Output is correct
9	Correct	2 ms	1356 KB	Output is correct
10	Correct	5 ms	1356 KB	Output is correct
11	Correct	7 ms	1416 KB	Output is correct
12	Correct	5 ms	1356 KB	Output is correct
13	Correct	5 ms	1356 KB	Output is correct
14	Correct	5 ms	1424 KB	Output is correct
15	Correct	6 ms	1420 KB	Output is correct
16	Correct	5 ms	1368 KB	Output is correct
17	Correct	5 ms	1356 KB	Output is correct
18	Correct	5 ms	1356 KB	Output is correct
19	Correct	5 ms	1356 KB	Output is correct
20	Correct	5 ms	1428 KB	Output is correct
21	Correct	12 ms	1420 KB	Output is correct
22	Correct	15 ms	1424 KB	Output is correct
23	Correct	10 ms	1428 KB	Output is correct
24	Correct	21 ms	1412 KB	Output is correct
25	Correct	22 ms	1416 KB	Output is correct
26	Correct	29 ms	1416 KB	Output is correct
27	Correct	23 ms	1408 KB	Output is correct
28	Correct	28 ms	1412 KB	Output is correct
29	Correct	23 ms	1424 KB	Output is correct
30	Correct	22 ms	1356 KB	Output is correct
31	Correct	24 ms	1356 KB	Output is correct
32	Correct	29 ms	1412 KB	Output is correct
33	Correct	21 ms	1356 KB	Output is correct
34	Correct	20 ms	1408 KB	Output is correct
35	Correct	30 ms	1364 KB	Output is correct
36	Correct	21 ms	1440 KB	Output is correct
37	Correct	55 ms	1412 KB	Output is correct
38	Correct	66 ms	1412 KB	Output is correct
39	Correct	71 ms	1408 KB	Output is correct
40	Correct	97 ms	1400 KB	Output is correct
41	Correct	82 ms	1400 KB	Output is correct
42	Correct	95 ms	1404 KB	Output is correct
43	Correct	98 ms	1524 KB	Output is correct
44	Correct	106 ms	1532 KB	Output is correct
45	Correct	115 ms	1528 KB	Output is correct
46	Correct	84 ms	1356 KB	Output is correct
47	Correct	96 ms	1408 KB	Output is correct
48	Correct	114 ms	1400 KB	Output is correct
49	Correct	103 ms	1412 KB	Output is correct
50	Correct	96 ms	1412 KB	Output is correct
51	Correct	3 ms	332 KB	Output is correct
52	Correct	118 ms	1528 KB	Output is correct
53	Correct	163 ms	1528 KB	Output is correct
54	Correct	206 ms	1528 KB	Output is correct
55	Correct	209 ms	1664 KB	Output is correct
56	Correct	145 ms	1532 KB	Output is correct
57	Correct	220 ms	1656 KB	Output is correct
58	Correct	176 ms	1524 KB	Output is correct
59	Correct	232 ms	1536 KB	Output is correct
60	Correct	5 ms	332 KB	Output is correct
61	Correct	215 ms	1532 KB	Output is correct
62	Correct	177 ms	1656 KB	Output is correct
63	Correct	186 ms	1652 KB	Output is correct
64	Correct	196 ms	1660 KB	Output is correct
65	Correct	103 ms	1404 KB	Output is correct
66	Correct	101 ms	1412 KB	Output is correct
67	Correct	253 ms	1528 KB	Output is correct
68	Correct	7 ms	332 KB	Output is correct
69	Correct	473 ms	2044 KB	Output is correct
70	Correct	334 ms	1788 KB	Output is correct
71	Correct	356 ms	1684 KB	Output is correct
72	Correct	339 ms	1408 KB	Output is correct
73	Correct	339 ms	1400 KB	Output is correct
74	Correct	481 ms	2036 KB	Output is correct
75	Correct	420 ms	1920 KB	Output is correct
76	Correct	472 ms	2040 KB	Output is correct
77	Correct	508 ms	2040 KB	Output is correct

답안 #507245

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