oj.uz

Submission #990183

# Submission time Handle Problem Language Result Execution time Memory
990183 2024-05-29T19:51:02 Z tch1cherin Bootfall (IZhO17_bootfall) C++17
100 / 100
 558 ms 3528 KB 
#include <bits/stdc++.h>
using namespace std;
 
int main() {
  cin.tie(nullptr)->sync_with_stdio(false);
  int N;
  cin >> N;
  vector<int> a(N);
  for (int &value : a) {
    cin >> value;
  }
  int S = accumulate(a.begin(), a.end(), 0);
  for (int i = 0; i < N; i++) {
    if (a[i] % 2 != a[0] % 2 || S % 2) {
      cout << "0\n";
      exit(0);
    }
  }
  vector<uint64_t> rnd(N);
  mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
  for (int i = 0; i < N; i++) {
    rnd[i] = rng();
  }
  vector<uint64_t> dp(S + 1);
  dp[0] = 1;
  for (int i = 0; i < N; i++) {
    for (int j = S - a[i]; j >= 0; j--) {
      dp[j + a[i]] += dp[j];
    }
  }
  if (dp[S / 2] == 0) {
    cout << "0\n";
    exit(0);
  }
  vector<bool> good(S + 1, true);
  for (int i = 0; i < N; i++) {
    for (int j = 0; j + a[i] <= S; j++) {
      dp[j + a[i]] -= dp[j];
    }
    vector<bool> new_good(S + 1);
    for (int j = 0; j <= S; j++) {
      if (dp[j] > 0) {
        new_good[abs(2 * j - (S - a[i]))] = true;
      }
    }
    for (int j = 0; j <= S; j++) {
      good[j] = good[j] && new_good[j];
    }
    for (int j = S - a[i]; j >= 0; j--) {
      dp[j + a[i]] += dp[j];
    }
  }
  vector<int> answer;
  for (int i = 1; i <= S; i++) {
    if (good[i]) {
      answer.push_back(i);
    }
  }
  int k = (int)answer.size();
  cout << k << "\n";
  for (int i = 0; i < k; i++) {
    cout << answer[i] << " \n"[i + 1 == k];
  }
}

Subtask #1
6.0 / 6.0

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

Subtask #2
7.0 / 7.0

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

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 2 ms 348 KB Output is correct
22 Correct 2 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 4 ms 344 KB Output is correct
25 Correct 4 ms 344 KB Output is correct
26 Correct 5 ms 348 KB Output is correct
27 Correct 4 ms 524 KB Output is correct
28 Correct 5 ms 348 KB Output is correct
29 Correct 4 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 4 ms 512 KB Output is correct
32 Correct 3 ms 488 KB Output is correct
33 Correct 4 ms 348 KB Output is correct
34 Correct 4 ms 348 KB Output is correct
35 Correct 4 ms 348 KB Output is correct
36 Correct 3 ms 492 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 2 ms 348 KB Output is correct
22 Correct 2 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 4 ms 344 KB Output is correct
25 Correct 4 ms 344 KB Output is correct
26 Correct 5 ms 348 KB Output is correct
27 Correct 4 ms 524 KB Output is correct
28 Correct 5 ms 348 KB Output is correct
29 Correct 4 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 4 ms 512 KB Output is correct
32 Correct 3 ms 488 KB Output is correct
33 Correct 4 ms 348 KB Output is correct
34 Correct 4 ms 348 KB Output is correct
35 Correct 4 ms 348 KB Output is correct
36 Correct 3 ms 492 KB Output is correct
37 Correct 20 ms 600 KB Output is correct
38 Correct 20 ms 624 KB Output is correct
39 Correct 54 ms 856 KB Output is correct
40 Correct 44 ms 732 KB Output is correct
41 Correct 69 ms 860 KB Output is correct
42 Correct 37 ms 848 KB Output is correct
43 Correct 72 ms 1144 KB Output is correct
44 Correct 73 ms 1108 KB Output is correct
45 Correct 70 ms 1152 KB Output is correct
46 Correct 32 ms 604 KB Output is correct
47 Correct 41 ms 716 KB Output is correct
48 Correct 69 ms 1108 KB Output is correct
49 Correct 61 ms 948 KB Output is correct
50 Correct 41 ms 724 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 91 ms 1368 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 2 ms 348 KB Output is correct
22 Correct 2 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 4 ms 344 KB Output is correct
25 Correct 4 ms 344 KB Output is correct
26 Correct 5 ms 348 KB Output is correct
27 Correct 4 ms 524 KB Output is correct
28 Correct 5 ms 348 KB Output is correct
29 Correct 4 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 4 ms 512 KB Output is correct
32 Correct 3 ms 488 KB Output is correct
33 Correct 4 ms 348 KB Output is correct
34 Correct 4 ms 348 KB Output is correct
35 Correct 4 ms 348 KB Output is correct
36 Correct 3 ms 492 KB Output is correct
37 Correct 20 ms 600 KB Output is correct
38 Correct 20 ms 624 KB Output is correct
39 Correct 54 ms 856 KB Output is correct
40 Correct 44 ms 732 KB Output is correct
41 Correct 69 ms 860 KB Output is correct
42 Correct 37 ms 848 KB Output is correct
43 Correct 72 ms 1144 KB Output is correct
44 Correct 73 ms 1108 KB Output is correct
45 Correct 70 ms 1152 KB Output is correct
46 Correct 32 ms 604 KB Output is correct
47 Correct 41 ms 716 KB Output is correct
48 Correct 69 ms 1108 KB Output is correct
49 Correct 61 ms 948 KB Output is correct
50 Correct 41 ms 724 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 91 ms 1368 KB Output is correct
53 Correct 69 ms 1104 KB Output is correct
54 Correct 94 ms 1108 KB Output is correct
55 Correct 181 ms 1752 KB Output is correct
56 Correct 84 ms 1148 KB Output is correct
57 Correct 193 ms 2004 KB Output is correct
58 Correct 105 ms 1212 KB Output is correct
59 Correct 127 ms 1496 KB Output is correct
60 Correct 1 ms 344 KB Output is correct
61 Correct 134 ms 1524 KB Output is correct
62 Correct 140 ms 1580 KB Output is correct
63 Correct 149 ms 1752 KB Output is correct
64 Correct 153 ms 1664 KB Output is correct
65 Correct 54 ms 856 KB Output is correct
66 Correct 60 ms 856 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 2 ms 348 KB Output is correct
22 Correct 2 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 4 ms 344 KB Output is correct
25 Correct 4 ms 344 KB Output is correct
26 Correct 5 ms 348 KB Output is correct
27 Correct 4 ms 524 KB Output is correct
28 Correct 5 ms 348 KB Output is correct
29 Correct 4 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 4 ms 512 KB Output is correct
32 Correct 3 ms 488 KB Output is correct
33 Correct 4 ms 348 KB Output is correct
34 Correct 4 ms 348 KB Output is correct
35 Correct 4 ms 348 KB Output is correct
36 Correct 3 ms 492 KB Output is correct
37 Correct 20 ms 600 KB Output is correct
38 Correct 20 ms 624 KB Output is correct
39 Correct 54 ms 856 KB Output is correct
40 Correct 44 ms 732 KB Output is correct
41 Correct 69 ms 860 KB Output is correct
42 Correct 37 ms 848 KB Output is correct
43 Correct 72 ms 1144 KB Output is correct
44 Correct 73 ms 1108 KB Output is correct
45 Correct 70 ms 1152 KB Output is correct
46 Correct 32 ms 604 KB Output is correct
47 Correct 41 ms 716 KB Output is correct
48 Correct 69 ms 1108 KB Output is correct
49 Correct 61 ms 948 KB Output is correct
50 Correct 41 ms 724 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 91 ms 1368 KB Output is correct
53 Correct 69 ms 1104 KB Output is correct
54 Correct 94 ms 1108 KB Output is correct
55 Correct 181 ms 1752 KB Output is correct
56 Correct 84 ms 1148 KB Output is correct
57 Correct 193 ms 2004 KB Output is correct
58 Correct 105 ms 1212 KB Output is correct
59 Correct 127 ms 1496 KB Output is correct
60 Correct 1 ms 344 KB Output is correct
61 Correct 134 ms 1524 KB Output is correct
62 Correct 140 ms 1580 KB Output is correct
63 Correct 149 ms 1752 KB Output is correct
64 Correct 153 ms 1664 KB Output is correct
65 Correct 54 ms 856 KB Output is correct
66 Correct 60 ms 856 KB Output is correct
67 Correct 151 ms 1484 KB Output is correct
68 Correct 41 ms 1368 KB Output is correct
69 Correct 485 ms 3268 KB Output is correct
70 Correct 312 ms 2132 KB Output is correct
71 Correct 294 ms 2008 KB Output is correct
72 Correct 0 ms 344 KB Output is correct
73 Correct 0 ms 348 KB Output is correct
74 Correct 546 ms 3376 KB Output is correct
75 Correct 446 ms 2768 KB Output is correct
76 Correct 558 ms 3528 KB Output is correct
77 Correct 538 ms 3456 KB Output is correct