oj.uz

Submission #873274

# Submission time Handle Problem Language Result Execution time Memory
873274 2023-11-14T17:46:38 Z c2zi6 Bootfall (IZhO17_bootfall) C++14
65 / 100
 1000 ms 1240 KB 
#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
#define ff first
#define ss second
#define pb push_back
#define all(a) (a).begin(), (a).end()
#define replr(i, a, b) for (int i = int(a); i <= int(b); ++i)
#define reprl(i, a, b) for (int i = int(a); i >= int(b); --i)
#define rep(i, n) for (int i = 0; i < int(n); ++i)
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> PII;
typedef vector<int> VI;
typedef vector<PII> VPI;
typedef vector<VI> VVI;
typedef vector<VPI> VVPI;
typedef pair<ll, ll> PLL;
typedef vector<ll> VL;
typedef vector<PLL> VPL;
typedef vector<VL> VVL;
typedef vector<VPL> VVPL;
template<class T> T setmax(T& a, T b) {if (a < b) return a = b; return a;}
template<class T> T setmin(T& a, T b) {if (a < b) return a; return a = b;}

const int MAXN = 100;

const int MAXSUM = 500 * 500;
typedef bitset<MAXSUM+1> bit;

bit f(VI& v, int excludant = -1) {
	bit ans;
	ans[0] = 1;
	rep(i, v.size()) {
		if (i == excludant) continue;
		ans |= (ans << v[i]);
	}
	return ans;
}

void solve() {
	int n;
	cin >> n;
	VI a(n);
	int sum = 0;
	for (int& x : a) cin >> x, sum += x;

	bit pos = f(a);
	if (sum % 2 || !pos[sum/2]) cout << 0 << endl;
	else {
		bit ans = ~bit(0);
		rep(i, n) {
			bit pos = f(a, i);
			for (int x = 0; x <= MAXSUM; x++) {
				int newsum = (sum - a[i] + x);
				if (newsum % 2 || newsum/2 < x || (!pos[newsum/2] && !pos[newsum/2 - x])) {
					ans[x] = false;
				}
			}
		}
		VI v;
		for (int i = 0; i <= MAXSUM; i++) {
			if (ans[i]) v.pb(i);
		}
		cout << v.size() << endl;
		for (int x : v) cout << x << " ";
		cout << endl;
	}
}

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(NULL), cout.tie(NULL);
	solve();
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 344 KB Output is correct
2 Correct 4 ms 604 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 3 ms 344 KB Output is correct
5 Correct 8 ms 604 KB Output is correct
6 Correct 5 ms 348 KB Output is correct
7 Correct 4 ms 348 KB Output is correct
8 Correct 8 ms 600 KB Output is correct
9 Correct 7 ms 600 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 344 KB Output is correct
2 Correct 4 ms 604 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 3 ms 344 KB Output is correct
5 Correct 8 ms 604 KB Output is correct
6 Correct 5 ms 348 KB Output is correct
7 Correct 4 ms 348 KB Output is correct
8 Correct 8 ms 600 KB Output is correct
9 Correct 7 ms 600 KB Output is correct
10 Correct 20 ms 344 KB Output is correct
11 Correct 20 ms 604 KB Output is correct
12 Correct 20 ms 344 KB Output is correct
13 Correct 17 ms 348 KB Output is correct
14 Correct 19 ms 604 KB Output is correct
15 Correct 18 ms 348 KB Output is correct
16 Correct 20 ms 348 KB Output is correct
17 Correct 11 ms 604 KB Output is correct
18 Correct 15 ms 604 KB Output is correct
19 Correct 17 ms 604 KB Output is correct
20 Correct 20 ms 348 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 344 KB Output is correct
2 Correct 4 ms 604 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 3 ms 344 KB Output is correct
5 Correct 8 ms 604 KB Output is correct
6 Correct 5 ms 348 KB Output is correct
7 Correct 4 ms 348 KB Output is correct
8 Correct 8 ms 600 KB Output is correct
9 Correct 7 ms 600 KB Output is correct
10 Correct 20 ms 344 KB Output is correct
11 Correct 20 ms 604 KB Output is correct
12 Correct 20 ms 344 KB Output is correct
13 Correct 17 ms 348 KB Output is correct
14 Correct 19 ms 604 KB Output is correct
15 Correct 18 ms 348 KB Output is correct
16 Correct 20 ms 348 KB Output is correct
17 Correct 11 ms 604 KB Output is correct
18 Correct 15 ms 604 KB Output is correct
19 Correct 17 ms 604 KB Output is correct
20 Correct 20 ms 348 KB Output is correct
21 Correct 53 ms 584 KB Output is correct
22 Correct 77 ms 600 KB Output is correct
23 Correct 38 ms 604 KB Output is correct
24 Correct 93 ms 596 KB Output is correct
25 Correct 93 ms 580 KB Output is correct
26 Correct 104 ms 604 KB Output is correct
27 Correct 111 ms 604 KB Output is correct
28 Correct 106 ms 604 KB Output is correct
29 Correct 105 ms 604 KB Output is correct
30 Correct 102 ms 348 KB Output is correct
31 Correct 102 ms 580 KB Output is correct
32 Correct 103 ms 600 KB Output is correct
33 Correct 102 ms 348 KB Output is correct
34 Correct 108 ms 604 KB Output is correct
35 Correct 102 ms 580 KB Output is correct
36 Correct 102 ms 580 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 344 KB Output is correct
2 Correct 4 ms 604 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 3 ms 344 KB Output is correct
5 Correct 8 ms 604 KB Output is correct
6 Correct 5 ms 348 KB Output is correct
7 Correct 4 ms 348 KB Output is correct
8 Correct 8 ms 600 KB Output is correct
9 Correct 7 ms 600 KB Output is correct
10 Correct 20 ms 344 KB Output is correct
11 Correct 20 ms 604 KB Output is correct
12 Correct 20 ms 344 KB Output is correct
13 Correct 17 ms 348 KB Output is correct
14 Correct 19 ms 604 KB Output is correct
15 Correct 18 ms 348 KB Output is correct
16 Correct 20 ms 348 KB Output is correct
17 Correct 11 ms 604 KB Output is correct
18 Correct 15 ms 604 KB Output is correct
19 Correct 17 ms 604 KB Output is correct
20 Correct 20 ms 348 KB Output is correct
21 Correct 53 ms 584 KB Output is correct
22 Correct 77 ms 600 KB Output is correct
23 Correct 38 ms 604 KB Output is correct
24 Correct 93 ms 596 KB Output is correct
25 Correct 93 ms 580 KB Output is correct
26 Correct 104 ms 604 KB Output is correct
27 Correct 111 ms 604 KB Output is correct
28 Correct 106 ms 604 KB Output is correct
29 Correct 105 ms 604 KB Output is correct
30 Correct 102 ms 348 KB Output is correct
31 Correct 102 ms 580 KB Output is correct
32 Correct 103 ms 600 KB Output is correct
33 Correct 102 ms 348 KB Output is correct
34 Correct 108 ms 604 KB Output is correct
35 Correct 102 ms 580 KB Output is correct
36 Correct 102 ms 580 KB Output is correct
37 Correct 320 ms 600 KB Output is correct
38 Correct 320 ms 604 KB Output is correct
39 Correct 463 ms 580 KB Output is correct
40 Correct 547 ms 588 KB Output is correct
41 Correct 543 ms 348 KB Output is correct
42 Correct 471 ms 604 KB Output is correct
43 Correct 483 ms 836 KB Output is correct
44 Correct 471 ms 824 KB Output is correct
45 Correct 485 ms 852 KB Output is correct
46 Correct 551 ms 348 KB Output is correct
47 Correct 458 ms 580 KB Output is correct
48 Correct 468 ms 844 KB Output is correct
49 Correct 463 ms 544 KB Output is correct
50 Correct 469 ms 580 KB Output is correct
51 Correct 3 ms 600 KB Output is correct
52 Correct 528 ms 836 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 344 KB Output is correct
2 Correct 4 ms 604 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 3 ms 344 KB Output is correct
5 Correct 8 ms 604 KB Output is correct
6 Correct 5 ms 348 KB Output is correct
7 Correct 4 ms 348 KB Output is correct
8 Correct 8 ms 600 KB Output is correct
9 Correct 7 ms 600 KB Output is correct
10 Correct 20 ms 344 KB Output is correct
11 Correct 20 ms 604 KB Output is correct
12 Correct 20 ms 344 KB Output is correct
13 Correct 17 ms 348 KB Output is correct
14 Correct 19 ms 604 KB Output is correct
15 Correct 18 ms 348 KB Output is correct
16 Correct 20 ms 348 KB Output is correct
17 Correct 11 ms 604 KB Output is correct
18 Correct 15 ms 604 KB Output is correct
19 Correct 17 ms 604 KB Output is correct
20 Correct 20 ms 348 KB Output is correct
21 Correct 53 ms 584 KB Output is correct
22 Correct 77 ms 600 KB Output is correct
23 Correct 38 ms 604 KB Output is correct
24 Correct 93 ms 596 KB Output is correct
25 Correct 93 ms 580 KB Output is correct
26 Correct 104 ms 604 KB Output is correct
27 Correct 111 ms 604 KB Output is correct
28 Correct 106 ms 604 KB Output is correct
29 Correct 105 ms 604 KB Output is correct
30 Correct 102 ms 348 KB Output is correct
31 Correct 102 ms 580 KB Output is correct
32 Correct 103 ms 600 KB Output is correct
33 Correct 102 ms 348 KB Output is correct
34 Correct 108 ms 604 KB Output is correct
35 Correct 102 ms 580 KB Output is correct
36 Correct 102 ms 580 KB Output is correct
37 Correct 320 ms 600 KB Output is correct
38 Correct 320 ms 604 KB Output is correct
39 Correct 463 ms 580 KB Output is correct
40 Correct 547 ms 588 KB Output is correct
41 Correct 543 ms 348 KB Output is correct
42 Correct 471 ms 604 KB Output is correct
43 Correct 483 ms 836 KB Output is correct
44 Correct 471 ms 824 KB Output is correct
45 Correct 485 ms 852 KB Output is correct
46 Correct 551 ms 348 KB Output is correct
47 Correct 458 ms 580 KB Output is correct
48 Correct 468 ms 844 KB Output is correct
49 Correct 463 ms 544 KB Output is correct
50 Correct 469 ms 580 KB Output is correct
51 Correct 3 ms 600 KB Output is correct
52 Correct 528 ms 836 KB Output is correct
53 Correct 636 ms 836 KB Output is correct
54 Correct 834 ms 1108 KB Output is correct
55 Correct 884 ms 968 KB Output is correct
56 Correct 668 ms 852 KB Output is correct
57 Correct 824 ms 1240 KB Output is correct
58 Correct 828 ms 840 KB Output is correct
59 Correct 844 ms 968 KB Output is correct
60 Correct 3 ms 604 KB Output is correct
61 Correct 892 ms 968 KB Output is correct
62 Correct 708 ms 972 KB Output is correct
63 Correct 744 ms 984 KB Output is correct
64 Correct 694 ms 968 KB Output is correct
65 Correct 715 ms 576 KB Output is correct
66 Correct 728 ms 580 KB Output is correct

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 344 KB Output is correct
2 Correct 4 ms 604 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 3 ms 344 KB Output is correct
5 Correct 8 ms 604 KB Output is correct
6 Correct 5 ms 348 KB Output is correct
7 Correct 4 ms 348 KB Output is correct
8 Correct 8 ms 600 KB Output is correct
9 Correct 7 ms 600 KB Output is correct
10 Correct 20 ms 344 KB Output is correct
11 Correct 20 ms 604 KB Output is correct
12 Correct 20 ms 344 KB Output is correct
13 Correct 17 ms 348 KB Output is correct
14 Correct 19 ms 604 KB Output is correct
15 Correct 18 ms 348 KB Output is correct
16 Correct 20 ms 348 KB Output is correct
17 Correct 11 ms 604 KB Output is correct
18 Correct 15 ms 604 KB Output is correct
19 Correct 17 ms 604 KB Output is correct
20 Correct 20 ms 348 KB Output is correct
21 Correct 53 ms 584 KB Output is correct
22 Correct 77 ms 600 KB Output is correct
23 Correct 38 ms 604 KB Output is correct
24 Correct 93 ms 596 KB Output is correct
25 Correct 93 ms 580 KB Output is correct
26 Correct 104 ms 604 KB Output is correct
27 Correct 111 ms 604 KB Output is correct
28 Correct 106 ms 604 KB Output is correct
29 Correct 105 ms 604 KB Output is correct
30 Correct 102 ms 348 KB Output is correct
31 Correct 102 ms 580 KB Output is correct
32 Correct 103 ms 600 KB Output is correct
33 Correct 102 ms 348 KB Output is correct
34 Correct 108 ms 604 KB Output is correct
35 Correct 102 ms 580 KB Output is correct
36 Correct 102 ms 580 KB Output is correct
37 Correct 320 ms 600 KB Output is correct
38 Correct 320 ms 604 KB Output is correct
39 Correct 463 ms 580 KB Output is correct
40 Correct 547 ms 588 KB Output is correct
41 Correct 543 ms 348 KB Output is correct
42 Correct 471 ms 604 KB Output is correct
43 Correct 483 ms 836 KB Output is correct
44 Correct 471 ms 824 KB Output is correct
45 Correct 485 ms 852 KB Output is correct
46 Correct 551 ms 348 KB Output is correct
47 Correct 458 ms 580 KB Output is correct
48 Correct 468 ms 844 KB Output is correct
49 Correct 463 ms 544 KB Output is correct
50 Correct 469 ms 580 KB Output is correct
51 Correct 3 ms 600 KB Output is correct
52 Correct 528 ms 836 KB Output is correct
53 Correct 636 ms 836 KB Output is correct
54 Correct 834 ms 1108 KB Output is correct
55 Correct 884 ms 968 KB Output is correct
56 Correct 668 ms 852 KB Output is correct
57 Correct 824 ms 1240 KB Output is correct
58 Correct 828 ms 840 KB Output is correct
59 Correct 844 ms 968 KB Output is correct
60 Correct 3 ms 604 KB Output is correct
61 Correct 892 ms 968 KB Output is correct
62 Correct 708 ms 972 KB Output is correct
63 Correct 744 ms 984 KB Output is correct
64 Correct 694 ms 968 KB Output is correct
65 Correct 715 ms 576 KB Output is correct
66 Correct 728 ms 580 KB Output is correct
67 Execution timed out 1065 ms 544 KB Time limit exceeded
68 Halted 0 ms 0 KB -