oj.uz

Submission #886977

# Submission time Handle Problem Language Result Execution time Memory
886977 2023-12-13T10:56:04 Z NintsiChkhaidze Bootfall (IZhO17_bootfall) C++17
100 / 100
 219 ms 2640 KB 
#include <bits/stdc++.h>
#define pb push_back
#define s second
#define f first
#define left (h<<1),l,(l + r)/2
#define right ((h<<1)|1),(l + r)/2 + 1,r
#define pii pair<int,int>
#define ll long long
using namespace std;

const int N = 500 + 5;

int a[N],n,sum;
bitset <250005> dp,ans;

void go(int l,int r){

	if (l == r){
		for (int x = 0; x <= 250000; x++){
			int newsum = sum - a[l] + x;
			if (!(newsum%2==0 && newsum/2 >= x && dp[newsum/2 - x]))
				ans[x] = 0;
		}
		return;
	}

	int mid = (l + r)>>1;
	//right child-shi gadavdivart

	bitset <250005> olddp = dp;
	for (int j = l; j <= mid; j++){
		dp |= (dp << a[j]);
	}
	go(mid + 1,r);

	//left child-shi gadavdivart
	dp = olddp;
	for (int j = mid + 1; j <= r; j++){
		dp |= (dp << a[j]);
	}
	go(l,mid);
	
	dp = olddp;
}
signed main (){
    ios_base::sync_with_stdio(0),cin.tie(NULL),cout.tie(NULL);
	
	cin>>n;
	dp[0] = 1;
	for (int i = 1; i <= n; i++){
		cin >> a[i];
		sum += a[i];
		dp |= (dp << a[i]);
	}
	
	if (sum & 1 || !dp[sum/2]){
		cout<<0;
		exit(0);
	}

	for (int j = 0; j <= 250000; j++)
		ans[j] = 1;
	
	dp = 0;
	dp[0] = 1;
	go(1,n);

	vector <int> res;
	for (int j = 0; j <= 250000; j++)
		if (ans[j]) res.pb(j);

	cout<<(int)res.size()<<endl;
	for (int x: res)
		cout<<x<<" ";
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 604 KB Output is correct
2 Correct 4 ms 860 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 3 ms 604 KB Output is correct
5 Correct 7 ms 860 KB Output is correct
6 Correct 6 ms 860 KB Output is correct
7 Correct 5 ms 860 KB Output is correct
8 Correct 8 ms 1036 KB Output is correct
9 Correct 6 ms 856 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 604 KB Output is correct
2 Correct 4 ms 860 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 3 ms 604 KB Output is correct
5 Correct 7 ms 860 KB Output is correct
6 Correct 6 ms 860 KB Output is correct
7 Correct 5 ms 860 KB Output is correct
8 Correct 8 ms 1036 KB Output is correct
9 Correct 6 ms 856 KB Output is correct
10 Correct 17 ms 1116 KB Output is correct
11 Correct 17 ms 1112 KB Output is correct
12 Correct 17 ms 1116 KB Output is correct
13 Correct 14 ms 1116 KB Output is correct
14 Correct 16 ms 1128 KB Output is correct
15 Correct 15 ms 1376 KB Output is correct
16 Correct 16 ms 1124 KB Output is correct
17 Correct 12 ms 1040 KB Output is correct
18 Correct 15 ms 1132 KB Output is correct
19 Correct 14 ms 1368 KB Output is correct
20 Correct 17 ms 1116 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 604 KB Output is correct
2 Correct 4 ms 860 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 3 ms 604 KB Output is correct
5 Correct 7 ms 860 KB Output is correct
6 Correct 6 ms 860 KB Output is correct
7 Correct 5 ms 860 KB Output is correct
8 Correct 8 ms 1036 KB Output is correct
9 Correct 6 ms 856 KB Output is correct
10 Correct 17 ms 1116 KB Output is correct
11 Correct 17 ms 1112 KB Output is correct
12 Correct 17 ms 1116 KB Output is correct
13 Correct 14 ms 1116 KB Output is correct
14 Correct 16 ms 1128 KB Output is correct
15 Correct 15 ms 1376 KB Output is correct
16 Correct 16 ms 1124 KB Output is correct
17 Correct 12 ms 1040 KB Output is correct
18 Correct 15 ms 1132 KB Output is correct
19 Correct 14 ms 1368 KB Output is correct
20 Correct 17 ms 1116 KB Output is correct
21 Correct 34 ms 1116 KB Output is correct
22 Correct 39 ms 1300 KB Output is correct
23 Correct 27 ms 1112 KB Output is correct
24 Correct 53 ms 1300 KB Output is correct
25 Correct 50 ms 1312 KB Output is correct
26 Correct 52 ms 1112 KB Output is correct
27 Correct 53 ms 1116 KB Output is correct
28 Correct 52 ms 1112 KB Output is correct
29 Correct 52 ms 1284 KB Output is correct
30 Correct 52 ms 1112 KB Output is correct
31 Correct 52 ms 1112 KB Output is correct
32 Correct 52 ms 1116 KB Output is correct
33 Correct 52 ms 1112 KB Output is correct
34 Correct 53 ms 1112 KB Output is correct
35 Correct 52 ms 1112 KB Output is correct
36 Correct 52 ms 1112 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 604 KB Output is correct
2 Correct 4 ms 860 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 3 ms 604 KB Output is correct
5 Correct 7 ms 860 KB Output is correct
6 Correct 6 ms 860 KB Output is correct
7 Correct 5 ms 860 KB Output is correct
8 Correct 8 ms 1036 KB Output is correct
9 Correct 6 ms 856 KB Output is correct
10 Correct 17 ms 1116 KB Output is correct
11 Correct 17 ms 1112 KB Output is correct
12 Correct 17 ms 1116 KB Output is correct
13 Correct 14 ms 1116 KB Output is correct
14 Correct 16 ms 1128 KB Output is correct
15 Correct 15 ms 1376 KB Output is correct
16 Correct 16 ms 1124 KB Output is correct
17 Correct 12 ms 1040 KB Output is correct
18 Correct 15 ms 1132 KB Output is correct
19 Correct 14 ms 1368 KB Output is correct
20 Correct 17 ms 1116 KB Output is correct
21 Correct 34 ms 1116 KB Output is correct
22 Correct 39 ms 1300 KB Output is correct
23 Correct 27 ms 1112 KB Output is correct
24 Correct 53 ms 1300 KB Output is correct
25 Correct 50 ms 1312 KB Output is correct
26 Correct 52 ms 1112 KB Output is correct
27 Correct 53 ms 1116 KB Output is correct
28 Correct 52 ms 1112 KB Output is correct
29 Correct 52 ms 1284 KB Output is correct
30 Correct 52 ms 1112 KB Output is correct
31 Correct 52 ms 1112 KB Output is correct
32 Correct 52 ms 1116 KB Output is correct
33 Correct 52 ms 1112 KB Output is correct
34 Correct 53 ms 1112 KB Output is correct
35 Correct 52 ms 1112 KB Output is correct
36 Correct 52 ms 1112 KB Output is correct
37 Correct 101 ms 1380 KB Output is correct
38 Correct 103 ms 1376 KB Output is correct
39 Correct 133 ms 1616 KB Output is correct
40 Correct 135 ms 1620 KB Output is correct
41 Correct 152 ms 1372 KB Output is correct
42 Correct 127 ms 1384 KB Output is correct
43 Correct 119 ms 1616 KB Output is correct
44 Correct 119 ms 1616 KB Output is correct
45 Correct 124 ms 1652 KB Output is correct
46 Correct 146 ms 1620 KB Output is correct
47 Correct 124 ms 1508 KB Output is correct
48 Correct 123 ms 1616 KB Output is correct
49 Correct 131 ms 1368 KB Output is correct
50 Correct 124 ms 1380 KB Output is correct
51 Correct 2 ms 348 KB Output is correct
52 Correct 130 ms 1732 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 604 KB Output is correct
2 Correct 4 ms 860 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 3 ms 604 KB Output is correct
5 Correct 7 ms 860 KB Output is correct
6 Correct 6 ms 860 KB Output is correct
7 Correct 5 ms 860 KB Output is correct
8 Correct 8 ms 1036 KB Output is correct
9 Correct 6 ms 856 KB Output is correct
10 Correct 17 ms 1116 KB Output is correct
11 Correct 17 ms 1112 KB Output is correct
12 Correct 17 ms 1116 KB Output is correct
13 Correct 14 ms 1116 KB Output is correct
14 Correct 16 ms 1128 KB Output is correct
15 Correct 15 ms 1376 KB Output is correct
16 Correct 16 ms 1124 KB Output is correct
17 Correct 12 ms 1040 KB Output is correct
18 Correct 15 ms 1132 KB Output is correct
19 Correct 14 ms 1368 KB Output is correct
20 Correct 17 ms 1116 KB Output is correct
21 Correct 34 ms 1116 KB Output is correct
22 Correct 39 ms 1300 KB Output is correct
23 Correct 27 ms 1112 KB Output is correct
24 Correct 53 ms 1300 KB Output is correct
25 Correct 50 ms 1312 KB Output is correct
26 Correct 52 ms 1112 KB Output is correct
27 Correct 53 ms 1116 KB Output is correct
28 Correct 52 ms 1112 KB Output is correct
29 Correct 52 ms 1284 KB Output is correct
30 Correct 52 ms 1112 KB Output is correct
31 Correct 52 ms 1112 KB Output is correct
32 Correct 52 ms 1116 KB Output is correct
33 Correct 52 ms 1112 KB Output is correct
34 Correct 53 ms 1112 KB Output is correct
35 Correct 52 ms 1112 KB Output is correct
36 Correct 52 ms 1112 KB Output is correct
37 Correct 101 ms 1380 KB Output is correct
38 Correct 103 ms 1376 KB Output is correct
39 Correct 133 ms 1616 KB Output is correct
40 Correct 135 ms 1620 KB Output is correct
41 Correct 152 ms 1372 KB Output is correct
42 Correct 127 ms 1384 KB Output is correct
43 Correct 119 ms 1616 KB Output is correct
44 Correct 119 ms 1616 KB Output is correct
45 Correct 124 ms 1652 KB Output is correct
46 Correct 146 ms 1620 KB Output is correct
47 Correct 124 ms 1508 KB Output is correct
48 Correct 123 ms 1616 KB Output is correct
49 Correct 131 ms 1368 KB Output is correct
50 Correct 124 ms 1380 KB Output is correct
51 Correct 2 ms 348 KB Output is correct
52 Correct 130 ms 1732 KB Output is correct
53 Correct 146 ms 1748 KB Output is correct
54 Correct 176 ms 1744 KB Output is correct
55 Correct 159 ms 1876 KB Output is correct
56 Correct 148 ms 1744 KB Output is correct
57 Correct 155 ms 2128 KB Output is correct
58 Correct 168 ms 1724 KB Output is correct
59 Correct 164 ms 1748 KB Output is correct
60 Correct 2 ms 344 KB Output is correct
61 Correct 163 ms 1876 KB Output is correct
62 Correct 156 ms 2012 KB Output is correct
63 Correct 143 ms 2004 KB Output is correct
64 Correct 142 ms 1856 KB Output is correct
65 Correct 169 ms 1616 KB Output is correct
66 Correct 160 ms 1488 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 604 KB Output is correct
2 Correct 4 ms 860 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 3 ms 604 KB Output is correct
5 Correct 7 ms 860 KB Output is correct
6 Correct 6 ms 860 KB Output is correct
7 Correct 5 ms 860 KB Output is correct
8 Correct 8 ms 1036 KB Output is correct
9 Correct 6 ms 856 KB Output is correct
10 Correct 17 ms 1116 KB Output is correct
11 Correct 17 ms 1112 KB Output is correct
12 Correct 17 ms 1116 KB Output is correct
13 Correct 14 ms 1116 KB Output is correct
14 Correct 16 ms 1128 KB Output is correct
15 Correct 15 ms 1376 KB Output is correct
16 Correct 16 ms 1124 KB Output is correct
17 Correct 12 ms 1040 KB Output is correct
18 Correct 15 ms 1132 KB Output is correct
19 Correct 14 ms 1368 KB Output is correct
20 Correct 17 ms 1116 KB Output is correct
21 Correct 34 ms 1116 KB Output is correct
22 Correct 39 ms 1300 KB Output is correct
23 Correct 27 ms 1112 KB Output is correct
24 Correct 53 ms 1300 KB Output is correct
25 Correct 50 ms 1312 KB Output is correct
26 Correct 52 ms 1112 KB Output is correct
27 Correct 53 ms 1116 KB Output is correct
28 Correct 52 ms 1112 KB Output is correct
29 Correct 52 ms 1284 KB Output is correct
30 Correct 52 ms 1112 KB Output is correct
31 Correct 52 ms 1112 KB Output is correct
32 Correct 52 ms 1116 KB Output is correct
33 Correct 52 ms 1112 KB Output is correct
34 Correct 53 ms 1112 KB Output is correct
35 Correct 52 ms 1112 KB Output is correct
36 Correct 52 ms 1112 KB Output is correct
37 Correct 101 ms 1380 KB Output is correct
38 Correct 103 ms 1376 KB Output is correct
39 Correct 133 ms 1616 KB Output is correct
40 Correct 135 ms 1620 KB Output is correct
41 Correct 152 ms 1372 KB Output is correct
42 Correct 127 ms 1384 KB Output is correct
43 Correct 119 ms 1616 KB Output is correct
44 Correct 119 ms 1616 KB Output is correct
45 Correct 124 ms 1652 KB Output is correct
46 Correct 146 ms 1620 KB Output is correct
47 Correct 124 ms 1508 KB Output is correct
48 Correct 123 ms 1616 KB Output is correct
49 Correct 131 ms 1368 KB Output is correct
50 Correct 124 ms 1380 KB Output is correct
51 Correct 2 ms 348 KB Output is correct
52 Correct 130 ms 1732 KB Output is correct
53 Correct 146 ms 1748 KB Output is correct
54 Correct 176 ms 1744 KB Output is correct
55 Correct 159 ms 1876 KB Output is correct
56 Correct 148 ms 1744 KB Output is correct
57 Correct 155 ms 2128 KB Output is correct
58 Correct 168 ms 1724 KB Output is correct
59 Correct 164 ms 1748 KB Output is correct
60 Correct 2 ms 344 KB Output is correct
61 Correct 163 ms 1876 KB Output is correct
62 Correct 156 ms 2012 KB Output is correct
63 Correct 143 ms 2004 KB Output is correct
64 Correct 142 ms 1856 KB Output is correct
65 Correct 169 ms 1616 KB Output is correct
66 Correct 160 ms 1488 KB Output is correct
67 Correct 186 ms 1876 KB Output is correct
68 Correct 3 ms 348 KB Output is correct
69 Correct 199 ms 2424 KB Output is correct
70 Correct 215 ms 2112 KB Output is correct
71 Correct 216 ms 2112 KB Output is correct
72 Correct 219 ms 1472 KB Output is correct
73 Correct 211 ms 1468 KB Output is correct
74 Correct 186 ms 2640 KB Output is correct
75 Correct 198 ms 2364 KB Output is correct
76 Correct 187 ms 2512 KB Output is correct
77 Correct 212 ms 2624 KB Output is correct