oj.uz

Submission #1107917

# Submission time Handle Problem Language Result Execution time Memory
1107917 2024-11-02T10:39:06 Z alex_2008 Bootfall (IZhO17_bootfall) C++14
100 / 100
 806 ms 4816 KB 
#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#define ff first
#define ss second
typedef long long ll;
using namespace std;
const int P1 = 727196341;
const int P2 = 271915031;
const int N = 500 + 10;
int a[N];
int dp1[N * N];
int dp2[N * N];
int cnt[N * N];
void add(int x, int k) {
	for (int i = k; i >= x; i--) {
		dp1[i] = (dp1[i - x] + dp1[i]) % P1;
		dp2[i] = (dp2[i - x] + dp2[i]) % P2;
	}
}
void sub(int x, int sm) {
	for (int i = x; i <= sm; i++) {
		dp1[i] = (dp1[i] - dp1[i - x] + P1) % P1;
		dp2[i] = (dp2[i] - dp2[i - x] + P2) % P2;
	}
}
int main() {
	ios_base::sync_with_stdio(false); cin.tie(0);
	int n;
	cin >> n;
	int sm = 0;
	dp1[0] = 1;
	dp2[0] = 1;
	for (int i = 1; i <= n; i++) {
		cin >> a[i];		
		sm += a[i];
		add(a[i], sm);
	}
	if (sm % 2 != 0) {
		cout << 0 << "\n";
		return 0;
	}
	if (dp1[sm / 2] == 0 && dp2[sm / 2] == 0) {
		cout << 0 << "\n";
		return 0;
	}
	for (int i = 1; i <= n; i++) {
		sub(a[i], sm);
		sm -= a[i];
		for (int i = 0; 2 * i < sm; i++) {
			if ((dp1[i] != 0 || dp2[i] != 0)) {
				cnt[sm - 2 * i]++;
			}
		}		
		sm += a[i];
		add(a[i], sm);
	}
	vector <int> ans;
	for (int i = 1; i < N * N; i++) {
		if (cnt[i] == n) ans.push_back(i);
	}
	cout << (int)ans.size() << "\n";
	for (auto it : ans) {
		cout << it << " ";
	}
	cout << "\n";
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 2384 KB Output is correct
3 Correct 1 ms 2384 KB Output is correct
4 Correct 1 ms 2384 KB Output is correct
5 Correct 1 ms 2384 KB Output is correct
6 Correct 1 ms 2384 KB Output is correct
7 Correct 1 ms 2516 KB Output is correct
8 Correct 1 ms 2384 KB Output is correct
9 Correct 1 ms 2384 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 2384 KB Output is correct
3 Correct 1 ms 2384 KB Output is correct
4 Correct 1 ms 2384 KB Output is correct
5 Correct 1 ms 2384 KB Output is correct
6 Correct 1 ms 2384 KB Output is correct
7 Correct 1 ms 2516 KB Output is correct
8 Correct 1 ms 2384 KB Output is correct
9 Correct 1 ms 2384 KB Output is correct
10 Correct 1 ms 2384 KB Output is correct
11 Correct 1 ms 2384 KB Output is correct
12 Correct 1 ms 2384 KB Output is correct
13 Correct 1 ms 2384 KB Output is correct
14 Correct 1 ms 2384 KB Output is correct
15 Correct 1 ms 2384 KB Output is correct
16 Correct 1 ms 2384 KB Output is correct
17 Correct 1 ms 2384 KB Output is correct
18 Correct 1 ms 2384 KB Output is correct
19 Correct 2 ms 2384 KB Output is correct
20 Correct 1 ms 2384 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 2384 KB Output is correct
3 Correct 1 ms 2384 KB Output is correct
4 Correct 1 ms 2384 KB Output is correct
5 Correct 1 ms 2384 KB Output is correct
6 Correct 1 ms 2384 KB Output is correct
7 Correct 1 ms 2516 KB Output is correct
8 Correct 1 ms 2384 KB Output is correct
9 Correct 1 ms 2384 KB Output is correct
10 Correct 1 ms 2384 KB Output is correct
11 Correct 1 ms 2384 KB Output is correct
12 Correct 1 ms 2384 KB Output is correct
13 Correct 1 ms 2384 KB Output is correct
14 Correct 1 ms 2384 KB Output is correct
15 Correct 1 ms 2384 KB Output is correct
16 Correct 1 ms 2384 KB Output is correct
17 Correct 1 ms 2384 KB Output is correct
18 Correct 1 ms 2384 KB Output is correct
19 Correct 2 ms 2384 KB Output is correct
20 Correct 1 ms 2384 KB Output is correct
21 Correct 3 ms 2556 KB Output is correct
22 Correct 3 ms 2384 KB Output is correct
23 Correct 2 ms 2540 KB Output is correct
24 Correct 4 ms 2552 KB Output is correct
25 Correct 6 ms 2384 KB Output is correct
26 Correct 7 ms 2552 KB Output is correct
27 Correct 7 ms 2384 KB Output is correct
28 Correct 7 ms 2384 KB Output is correct
29 Correct 8 ms 2552 KB Output is correct
30 Correct 6 ms 2384 KB Output is correct
31 Correct 6 ms 2384 KB Output is correct
32 Correct 5 ms 2384 KB Output is correct
33 Correct 7 ms 2516 KB Output is correct
34 Correct 8 ms 2384 KB Output is correct
35 Correct 7 ms 2384 KB Output is correct
36 Correct 5 ms 2384 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 2384 KB Output is correct
3 Correct 1 ms 2384 KB Output is correct
4 Correct 1 ms 2384 KB Output is correct
5 Correct 1 ms 2384 KB Output is correct
6 Correct 1 ms 2384 KB Output is correct
7 Correct 1 ms 2516 KB Output is correct
8 Correct 1 ms 2384 KB Output is correct
9 Correct 1 ms 2384 KB Output is correct
10 Correct 1 ms 2384 KB Output is correct
11 Correct 1 ms 2384 KB Output is correct
12 Correct 1 ms 2384 KB Output is correct
13 Correct 1 ms 2384 KB Output is correct
14 Correct 1 ms 2384 KB Output is correct
15 Correct 1 ms 2384 KB Output is correct
16 Correct 1 ms 2384 KB Output is correct
17 Correct 1 ms 2384 KB Output is correct
18 Correct 1 ms 2384 KB Output is correct
19 Correct 2 ms 2384 KB Output is correct
20 Correct 1 ms 2384 KB Output is correct
21 Correct 3 ms 2556 KB Output is correct
22 Correct 3 ms 2384 KB Output is correct
23 Correct 2 ms 2540 KB Output is correct
24 Correct 4 ms 2552 KB Output is correct
25 Correct 6 ms 2384 KB Output is correct
26 Correct 7 ms 2552 KB Output is correct
27 Correct 7 ms 2384 KB Output is correct
28 Correct 7 ms 2384 KB Output is correct
29 Correct 8 ms 2552 KB Output is correct
30 Correct 6 ms 2384 KB Output is correct
31 Correct 6 ms 2384 KB Output is correct
32 Correct 5 ms 2384 KB Output is correct
33 Correct 7 ms 2516 KB Output is correct
34 Correct 8 ms 2384 KB Output is correct
35 Correct 7 ms 2384 KB Output is correct
36 Correct 5 ms 2384 KB Output is correct
37 Correct 26 ms 2632 KB Output is correct
38 Correct 27 ms 2584 KB Output is correct
39 Correct 101 ms 2640 KB Output is correct
40 Correct 62 ms 2632 KB Output is correct
41 Correct 138 ms 2776 KB Output is correct
42 Correct 53 ms 2624 KB Output is correct
43 Correct 89 ms 2964 KB Output is correct
44 Correct 104 ms 2968 KB Output is correct
45 Correct 94 ms 2888 KB Output is correct
46 Correct 81 ms 2524 KB Output is correct
47 Correct 63 ms 2640 KB Output is correct
48 Correct 101 ms 2984 KB Output is correct
49 Correct 108 ms 2640 KB Output is correct
50 Correct 56 ms 2640 KB Output is correct
51 Correct 10 ms 2384 KB Output is correct
52 Correct 126 ms 3076 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 2384 KB Output is correct
3 Correct 1 ms 2384 KB Output is correct
4 Correct 1 ms 2384 KB Output is correct
5 Correct 1 ms 2384 KB Output is correct
6 Correct 1 ms 2384 KB Output is correct
7 Correct 1 ms 2516 KB Output is correct
8 Correct 1 ms 2384 KB Output is correct
9 Correct 1 ms 2384 KB Output is correct
10 Correct 1 ms 2384 KB Output is correct
11 Correct 1 ms 2384 KB Output is correct
12 Correct 1 ms 2384 KB Output is correct
13 Correct 1 ms 2384 KB Output is correct
14 Correct 1 ms 2384 KB Output is correct
15 Correct 1 ms 2384 KB Output is correct
16 Correct 1 ms 2384 KB Output is correct
17 Correct 1 ms 2384 KB Output is correct
18 Correct 1 ms 2384 KB Output is correct
19 Correct 2 ms 2384 KB Output is correct
20 Correct 1 ms 2384 KB Output is correct
21 Correct 3 ms 2556 KB Output is correct
22 Correct 3 ms 2384 KB Output is correct
23 Correct 2 ms 2540 KB Output is correct
24 Correct 4 ms 2552 KB Output is correct
25 Correct 6 ms 2384 KB Output is correct
26 Correct 7 ms 2552 KB Output is correct
27 Correct 7 ms 2384 KB Output is correct
28 Correct 7 ms 2384 KB Output is correct
29 Correct 8 ms 2552 KB Output is correct
30 Correct 6 ms 2384 KB Output is correct
31 Correct 6 ms 2384 KB Output is correct
32 Correct 5 ms 2384 KB Output is correct
33 Correct 7 ms 2516 KB Output is correct
34 Correct 8 ms 2384 KB Output is correct
35 Correct 7 ms 2384 KB Output is correct
36 Correct 5 ms 2384 KB Output is correct
37 Correct 26 ms 2632 KB Output is correct
38 Correct 27 ms 2584 KB Output is correct
39 Correct 101 ms 2640 KB Output is correct
40 Correct 62 ms 2632 KB Output is correct
41 Correct 138 ms 2776 KB Output is correct
42 Correct 53 ms 2624 KB Output is correct
43 Correct 89 ms 2964 KB Output is correct
44 Correct 104 ms 2968 KB Output is correct
45 Correct 94 ms 2888 KB Output is correct
46 Correct 81 ms 2524 KB Output is correct
47 Correct 63 ms 2640 KB Output is correct
48 Correct 101 ms 2984 KB Output is correct
49 Correct 108 ms 2640 KB Output is correct
50 Correct 56 ms 2640 KB Output is correct
51 Correct 10 ms 2384 KB Output is correct
52 Correct 126 ms 3076 KB Output is correct
53 Correct 98 ms 2892 KB Output is correct
54 Correct 128 ms 2888 KB Output is correct
55 Correct 283 ms 3496 KB Output is correct
56 Correct 113 ms 2888 KB Output is correct
57 Correct 288 ms 3532 KB Output is correct
58 Correct 144 ms 3144 KB Output is correct
59 Correct 183 ms 3276 KB Output is correct
60 Correct 25 ms 2552 KB Output is correct
61 Correct 205 ms 3212 KB Output is correct
62 Correct 199 ms 3276 KB Output is correct
63 Correct 222 ms 3276 KB Output is correct
64 Correct 213 ms 3496 KB Output is correct
65 Correct 102 ms 2640 KB Output is correct
66 Correct 108 ms 2768 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 2384 KB Output is correct
3 Correct 1 ms 2384 KB Output is correct
4 Correct 1 ms 2384 KB Output is correct
5 Correct 1 ms 2384 KB Output is correct
6 Correct 1 ms 2384 KB Output is correct
7 Correct 1 ms 2516 KB Output is correct
8 Correct 1 ms 2384 KB Output is correct
9 Correct 1 ms 2384 KB Output is correct
10 Correct 1 ms 2384 KB Output is correct
11 Correct 1 ms 2384 KB Output is correct
12 Correct 1 ms 2384 KB Output is correct
13 Correct 1 ms 2384 KB Output is correct
14 Correct 1 ms 2384 KB Output is correct
15 Correct 1 ms 2384 KB Output is correct
16 Correct 1 ms 2384 KB Output is correct
17 Correct 1 ms 2384 KB Output is correct
18 Correct 1 ms 2384 KB Output is correct
19 Correct 2 ms 2384 KB Output is correct
20 Correct 1 ms 2384 KB Output is correct
21 Correct 3 ms 2556 KB Output is correct
22 Correct 3 ms 2384 KB Output is correct
23 Correct 2 ms 2540 KB Output is correct
24 Correct 4 ms 2552 KB Output is correct
25 Correct 6 ms 2384 KB Output is correct
26 Correct 7 ms 2552 KB Output is correct
27 Correct 7 ms 2384 KB Output is correct
28 Correct 7 ms 2384 KB Output is correct
29 Correct 8 ms 2552 KB Output is correct
30 Correct 6 ms 2384 KB Output is correct
31 Correct 6 ms 2384 KB Output is correct
32 Correct 5 ms 2384 KB Output is correct
33 Correct 7 ms 2516 KB Output is correct
34 Correct 8 ms 2384 KB Output is correct
35 Correct 7 ms 2384 KB Output is correct
36 Correct 5 ms 2384 KB Output is correct
37 Correct 26 ms 2632 KB Output is correct
38 Correct 27 ms 2584 KB Output is correct
39 Correct 101 ms 2640 KB Output is correct
40 Correct 62 ms 2632 KB Output is correct
41 Correct 138 ms 2776 KB Output is correct
42 Correct 53 ms 2624 KB Output is correct
43 Correct 89 ms 2964 KB Output is correct
44 Correct 104 ms 2968 KB Output is correct
45 Correct 94 ms 2888 KB Output is correct
46 Correct 81 ms 2524 KB Output is correct
47 Correct 63 ms 2640 KB Output is correct
48 Correct 101 ms 2984 KB Output is correct
49 Correct 108 ms 2640 KB Output is correct
50 Correct 56 ms 2640 KB Output is correct
51 Correct 10 ms 2384 KB Output is correct
52 Correct 126 ms 3076 KB Output is correct
53 Correct 98 ms 2892 KB Output is correct
54 Correct 128 ms 2888 KB Output is correct
55 Correct 283 ms 3496 KB Output is correct
56 Correct 113 ms 2888 KB Output is correct
57 Correct 288 ms 3532 KB Output is correct
58 Correct 144 ms 3144 KB Output is correct
59 Correct 183 ms 3276 KB Output is correct
60 Correct 25 ms 2552 KB Output is correct
61 Correct 205 ms 3212 KB Output is correct
62 Correct 199 ms 3276 KB Output is correct
63 Correct 222 ms 3276 KB Output is correct
64 Correct 213 ms 3496 KB Output is correct
65 Correct 102 ms 2640 KB Output is correct
66 Correct 108 ms 2768 KB Output is correct
67 Correct 199 ms 3276 KB Output is correct
68 Correct 72 ms 2636 KB Output is correct
69 Correct 721 ms 4296 KB Output is correct
70 Correct 443 ms 3532 KB Output is correct
71 Correct 420 ms 3532 KB Output is correct
72 Correct 425 ms 2984 KB Output is correct
73 Correct 418 ms 2980 KB Output is correct
74 Correct 743 ms 4408 KB Output is correct
75 Correct 573 ms 4068 KB Output is correct
76 Correct 806 ms 4816 KB Output is correct
77 Correct 794 ms 4552 KB Output is correct