oj.uz

Submission #507245

# Submission time Handle Problem Language Result Execution time Memory
507245 2022-01-12T09:56:33 Z abc864197532 Bootfall (IZhO17_bootfall) C++17
100 / 100
 508 ms 2044 KB 
#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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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