oj.uz

Submission #969886

# Submission time Handle Problem Language Result Execution time Memory
969886 2024-04-25T18:15:13 Z starchan Bootfall (IZhO17_bootfall) C++17
100 / 100
 584 ms 8140 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define in array<int, 2>
#define pb push_back
#define pob pop_back
#define INF (int)1e17
#define fast() ios_base::sync_with_stdio(false); cin.tie(NULL)
 
const int mod = 1e9+33;
const int MX = 2e5+5e4+10;
 
int dp[MX];
 
void add(int x)
{
	for(int i = MX-1; i >= x; i--)
	{
		dp[i]+=dp[i-x];
		dp[i]%=mod;
	}
	return;
}
 
void rem(int x)
{
	for(int i = x; i < MX; i++)
	{
		dp[i]-=dp[i-x]; dp[i]+=mod;
		dp[i]%=mod;
	}
	return;
}
 
int l[MX];
int r[MX];
int st;

void kill(int x)
{
	if(x == st)
		st = r[st];
	else
	{
		r[l[x]] = r[x];
		l[r[x]] = l[x];
	}
}

signed main()
{
	fast();
	for(int i = 1; i < MX; i++)
	{
		l[i] = i-1;
		r[i] = i+1;
	}
	r[0] = 1;
	dp[0] = 1;
	int n;
	cin >> n;
	int S = 0;
	vector<int> a(n+1);
	for(int i = 1; i <= n; i++)
	{
		cin >> a[i]; S+=a[i];
		add(a[i]);
	}
	if(S%2 || (dp[S/2] == 0))
	{
		cout << "0\n";
		return 0;
	}
	for(int i = 1; i <= n; i++)
	{
		rem(a[i]);
		for(int V = st; V < MX; V = r[V])
		{
			int D = S+V-a[i];
			if(D%2)
				kill(V);
			if(dp[(D/2)] || ((D >= 2*V) && ((dp[(D/2)-V]))))
				continue;
			kill(V);
		}
		add(a[i]);
	}
	vector<int> v;
	for(int V = st; V < MX; V = r[V])
		v.pb(V);
	cout << v.size() << "\n";
	for(int x: v)
		cout << x << " ";
	cout << "\n";
	return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 6232 KB Output is correct
2 Correct 9 ms 6236 KB Output is correct
3 Correct 3 ms 6236 KB Output is correct
4 Correct 7 ms 6236 KB Output is correct
5 Correct 15 ms 6236 KB Output is correct
6 Correct 10 ms 6236 KB Output is correct
7 Correct 9 ms 6236 KB Output is correct
8 Correct 14 ms 6236 KB Output is correct
9 Correct 12 ms 6236 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 6232 KB Output is correct
2 Correct 9 ms 6236 KB Output is correct
3 Correct 3 ms 6236 KB Output is correct
4 Correct 7 ms 6236 KB Output is correct
5 Correct 15 ms 6236 KB Output is correct
6 Correct 10 ms 6236 KB Output is correct
7 Correct 9 ms 6236 KB Output is correct
8 Correct 14 ms 6236 KB Output is correct
9 Correct 12 ms 6236 KB Output is correct
10 Correct 33 ms 6236 KB Output is correct
11 Correct 37 ms 6236 KB Output is correct
12 Correct 33 ms 6236 KB Output is correct
13 Correct 30 ms 6236 KB Output is correct
14 Correct 32 ms 6236 KB Output is correct
15 Correct 35 ms 6236 KB Output is correct
16 Correct 39 ms 6236 KB Output is correct
17 Correct 22 ms 6236 KB Output is correct
18 Correct 28 ms 6236 KB Output is correct
19 Correct 31 ms 6332 KB Output is correct
20 Correct 36 ms 6564 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 6232 KB Output is correct
2 Correct 9 ms 6236 KB Output is correct
3 Correct 3 ms 6236 KB Output is correct
4 Correct 7 ms 6236 KB Output is correct
5 Correct 15 ms 6236 KB Output is correct
6 Correct 10 ms 6236 KB Output is correct
7 Correct 9 ms 6236 KB Output is correct
8 Correct 14 ms 6236 KB Output is correct
9 Correct 12 ms 6236 KB Output is correct
10 Correct 33 ms 6236 KB Output is correct
11 Correct 37 ms 6236 KB Output is correct
12 Correct 33 ms 6236 KB Output is correct
13 Correct 30 ms 6236 KB Output is correct
14 Correct 32 ms 6236 KB Output is correct
15 Correct 35 ms 6236 KB Output is correct
16 Correct 39 ms 6236 KB Output is correct
17 Correct 22 ms 6236 KB Output is correct
18 Correct 28 ms 6236 KB Output is correct
19 Correct 31 ms 6332 KB Output is correct
20 Correct 36 ms 6564 KB Output is correct
21 Correct 67 ms 6320 KB Output is correct
22 Correct 77 ms 6236 KB Output is correct
23 Correct 55 ms 6296 KB Output is correct
24 Correct 98 ms 6316 KB Output is correct
25 Correct 99 ms 6480 KB Output is correct
26 Correct 101 ms 6300 KB Output is correct
27 Correct 100 ms 6236 KB Output is correct
28 Correct 100 ms 6236 KB Output is correct
29 Correct 107 ms 6484 KB Output is correct
30 Correct 100 ms 6236 KB Output is correct
31 Correct 101 ms 6232 KB Output is correct
32 Correct 103 ms 6232 KB Output is correct
33 Correct 105 ms 6296 KB Output is correct
34 Correct 105 ms 6296 KB Output is correct
35 Correct 100 ms 6232 KB Output is correct
36 Correct 111 ms 6304 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 6232 KB Output is correct
2 Correct 9 ms 6236 KB Output is correct
3 Correct 3 ms 6236 KB Output is correct
4 Correct 7 ms 6236 KB Output is correct
5 Correct 15 ms 6236 KB Output is correct
6 Correct 10 ms 6236 KB Output is correct
7 Correct 9 ms 6236 KB Output is correct
8 Correct 14 ms 6236 KB Output is correct
9 Correct 12 ms 6236 KB Output is correct
10 Correct 33 ms 6236 KB Output is correct
11 Correct 37 ms 6236 KB Output is correct
12 Correct 33 ms 6236 KB Output is correct
13 Correct 30 ms 6236 KB Output is correct
14 Correct 32 ms 6236 KB Output is correct
15 Correct 35 ms 6236 KB Output is correct
16 Correct 39 ms 6236 KB Output is correct
17 Correct 22 ms 6236 KB Output is correct
18 Correct 28 ms 6236 KB Output is correct
19 Correct 31 ms 6332 KB Output is correct
20 Correct 36 ms 6564 KB Output is correct
21 Correct 67 ms 6320 KB Output is correct
22 Correct 77 ms 6236 KB Output is correct
23 Correct 55 ms 6296 KB Output is correct
24 Correct 98 ms 6316 KB Output is correct
25 Correct 99 ms 6480 KB Output is correct
26 Correct 101 ms 6300 KB Output is correct
27 Correct 100 ms 6236 KB Output is correct
28 Correct 100 ms 6236 KB Output is correct
29 Correct 107 ms 6484 KB Output is correct
30 Correct 100 ms 6236 KB Output is correct
31 Correct 101 ms 6232 KB Output is correct
32 Correct 103 ms 6232 KB Output is correct
33 Correct 105 ms 6296 KB Output is correct
34 Correct 105 ms 6296 KB Output is correct
35 Correct 100 ms 6232 KB Output is correct
36 Correct 111 ms 6304 KB Output is correct
37 Correct 208 ms 6556 KB Output is correct
38 Correct 203 ms 6480 KB Output is correct
39 Correct 244 ms 6304 KB Output is correct
40 Correct 278 ms 6560 KB Output is correct
41 Correct 268 ms 6236 KB Output is correct
42 Correct 259 ms 6740 KB Output is correct
43 Correct 251 ms 6612 KB Output is correct
44 Correct 264 ms 6684 KB Output is correct
45 Correct 259 ms 6684 KB Output is correct
46 Correct 279 ms 6232 KB Output is correct
47 Correct 262 ms 6556 KB Output is correct
48 Correct 255 ms 6612 KB Output is correct
49 Correct 251 ms 6236 KB Output is correct
50 Correct 266 ms 6572 KB Output is correct
51 Correct 81 ms 6232 KB Output is correct
52 Correct 295 ms 6684 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 6232 KB Output is correct
2 Correct 9 ms 6236 KB Output is correct
3 Correct 3 ms 6236 KB Output is correct
4 Correct 7 ms 6236 KB Output is correct
5 Correct 15 ms 6236 KB Output is correct
6 Correct 10 ms 6236 KB Output is correct
7 Correct 9 ms 6236 KB Output is correct
8 Correct 14 ms 6236 KB Output is correct
9 Correct 12 ms 6236 KB Output is correct
10 Correct 33 ms 6236 KB Output is correct
11 Correct 37 ms 6236 KB Output is correct
12 Correct 33 ms 6236 KB Output is correct
13 Correct 30 ms 6236 KB Output is correct
14 Correct 32 ms 6236 KB Output is correct
15 Correct 35 ms 6236 KB Output is correct
16 Correct 39 ms 6236 KB Output is correct
17 Correct 22 ms 6236 KB Output is correct
18 Correct 28 ms 6236 KB Output is correct
19 Correct 31 ms 6332 KB Output is correct
20 Correct 36 ms 6564 KB Output is correct
21 Correct 67 ms 6320 KB Output is correct
22 Correct 77 ms 6236 KB Output is correct
23 Correct 55 ms 6296 KB Output is correct
24 Correct 98 ms 6316 KB Output is correct
25 Correct 99 ms 6480 KB Output is correct
26 Correct 101 ms 6300 KB Output is correct
27 Correct 100 ms 6236 KB Output is correct
28 Correct 100 ms 6236 KB Output is correct
29 Correct 107 ms 6484 KB Output is correct
30 Correct 100 ms 6236 KB Output is correct
31 Correct 101 ms 6232 KB Output is correct
32 Correct 103 ms 6232 KB Output is correct
33 Correct 105 ms 6296 KB Output is correct
34 Correct 105 ms 6296 KB Output is correct
35 Correct 100 ms 6232 KB Output is correct
36 Correct 111 ms 6304 KB Output is correct
37 Correct 208 ms 6556 KB Output is correct
38 Correct 203 ms 6480 KB Output is correct
39 Correct 244 ms 6304 KB Output is correct
40 Correct 278 ms 6560 KB Output is correct
41 Correct 268 ms 6236 KB Output is correct
42 Correct 259 ms 6740 KB Output is correct
43 Correct 251 ms 6612 KB Output is correct
44 Correct 264 ms 6684 KB Output is correct
45 Correct 259 ms 6684 KB Output is correct
46 Correct 279 ms 6232 KB Output is correct
47 Correct 262 ms 6556 KB Output is correct
48 Correct 255 ms 6612 KB Output is correct
49 Correct 251 ms 6236 KB Output is correct
50 Correct 266 ms 6572 KB Output is correct
51 Correct 81 ms 6232 KB Output is correct
52 Correct 295 ms 6684 KB Output is correct
53 Correct 305 ms 6688 KB Output is correct
54 Correct 364 ms 6612 KB Output is correct
55 Correct 372 ms 7116 KB Output is correct
56 Correct 324 ms 6864 KB Output is correct
57 Correct 377 ms 7120 KB Output is correct
58 Correct 373 ms 6864 KB Output is correct
59 Correct 375 ms 6868 KB Output is correct
60 Correct 121 ms 6232 KB Output is correct
61 Correct 378 ms 6956 KB Output is correct
62 Correct 350 ms 6944 KB Output is correct
63 Correct 340 ms 6868 KB Output is correct
64 Correct 339 ms 6868 KB Output is correct
65 Correct 325 ms 6232 KB Output is correct
66 Correct 308 ms 6236 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 6232 KB Output is correct
2 Correct 9 ms 6236 KB Output is correct
3 Correct 3 ms 6236 KB Output is correct
4 Correct 7 ms 6236 KB Output is correct
5 Correct 15 ms 6236 KB Output is correct
6 Correct 10 ms 6236 KB Output is correct
7 Correct 9 ms 6236 KB Output is correct
8 Correct 14 ms 6236 KB Output is correct
9 Correct 12 ms 6236 KB Output is correct
10 Correct 33 ms 6236 KB Output is correct
11 Correct 37 ms 6236 KB Output is correct
12 Correct 33 ms 6236 KB Output is correct
13 Correct 30 ms 6236 KB Output is correct
14 Correct 32 ms 6236 KB Output is correct
15 Correct 35 ms 6236 KB Output is correct
16 Correct 39 ms 6236 KB Output is correct
17 Correct 22 ms 6236 KB Output is correct
18 Correct 28 ms 6236 KB Output is correct
19 Correct 31 ms 6332 KB Output is correct
20 Correct 36 ms 6564 KB Output is correct
21 Correct 67 ms 6320 KB Output is correct
22 Correct 77 ms 6236 KB Output is correct
23 Correct 55 ms 6296 KB Output is correct
24 Correct 98 ms 6316 KB Output is correct
25 Correct 99 ms 6480 KB Output is correct
26 Correct 101 ms 6300 KB Output is correct
27 Correct 100 ms 6236 KB Output is correct
28 Correct 100 ms 6236 KB Output is correct
29 Correct 107 ms 6484 KB Output is correct
30 Correct 100 ms 6236 KB Output is correct
31 Correct 101 ms 6232 KB Output is correct
32 Correct 103 ms 6232 KB Output is correct
33 Correct 105 ms 6296 KB Output is correct
34 Correct 105 ms 6296 KB Output is correct
35 Correct 100 ms 6232 KB Output is correct
36 Correct 111 ms 6304 KB Output is correct
37 Correct 208 ms 6556 KB Output is correct
38 Correct 203 ms 6480 KB Output is correct
39 Correct 244 ms 6304 KB Output is correct
40 Correct 278 ms 6560 KB Output is correct
41 Correct 268 ms 6236 KB Output is correct
42 Correct 259 ms 6740 KB Output is correct
43 Correct 251 ms 6612 KB Output is correct
44 Correct 264 ms 6684 KB Output is correct
45 Correct 259 ms 6684 KB Output is correct
46 Correct 279 ms 6232 KB Output is correct
47 Correct 262 ms 6556 KB Output is correct
48 Correct 255 ms 6612 KB Output is correct
49 Correct 251 ms 6236 KB Output is correct
50 Correct 266 ms 6572 KB Output is correct
51 Correct 81 ms 6232 KB Output is correct
52 Correct 295 ms 6684 KB Output is correct
53 Correct 305 ms 6688 KB Output is correct
54 Correct 364 ms 6612 KB Output is correct
55 Correct 372 ms 7116 KB Output is correct
56 Correct 324 ms 6864 KB Output is correct
57 Correct 377 ms 7120 KB Output is correct
58 Correct 373 ms 6864 KB Output is correct
59 Correct 375 ms 6868 KB Output is correct
60 Correct 121 ms 6232 KB Output is correct
61 Correct 378 ms 6956 KB Output is correct
62 Correct 350 ms 6944 KB Output is correct
63 Correct 340 ms 6868 KB Output is correct
64 Correct 339 ms 6868 KB Output is correct
65 Correct 325 ms 6232 KB Output is correct
66 Correct 308 ms 6236 KB Output is correct
67 Correct 424 ms 6864 KB Output is correct
68 Correct 168 ms 6308 KB Output is correct
69 Correct 574 ms 7888 KB Output is correct
70 Correct 547 ms 7380 KB Output is correct
71 Correct 543 ms 7200 KB Output is correct
72 Correct 487 ms 6232 KB Output is correct
73 Correct 492 ms 6484 KB Output is correct
74 Correct 581 ms 7964 KB Output is correct
75 Correct 558 ms 7712 KB Output is correct
76 Correct 578 ms 7736 KB Output is correct
77 Correct 584 ms 8140 KB Output is correct