oj.uz

Submission #598438

# Submission time Handle Problem Language Result Execution time Memory
598438 2022-07-18T11:20:27 Z SuffixAutomata Bootfall (IZhO17_bootfall) C++17
100 / 100
 556 ms 3708 KB 
#include <bits/stdc++.h>
using namespace std;
const int MOD = 1000000007;
int dp[500 * 500 + 1], dp2[500 * 500 + 1];
bool ok[500 * 500 + 1];
int main() {
  int n;
  cin >> n;
  vector<int> ar(n);
  int sm = 0;
  dp[0] = 1;
  for (int i = 0; i < n; i++) {
    cin >> ar[i];
    for (int j = sm; j >= 0; j--)
      dp[j + ar[i]] = (dp[j + ar[i]] + dp[j]) % MOD;
    sm += ar[i];
  }
  auto x = [&](int i) {
    if (i < 0 || i % 2 || i / 2 > sm)
      return 0;
    return dp2[i / 2];
  };
  vector<int> ans;
  if (sm % 2 == 0 && dp[sm / 2]) {
    for (int v = 0; v <= 500 * 500; v++)
      ok[v] = 1;
    for (int i : ar) {
      memcpy(dp2, dp, sizeof dp2);
      for (int j = 0; j <= sm - i; j++)
        dp2[j + i] = (dp2[j + i] + MOD - dp2[j]) % MOD;
      for (int v = 0; v <= 500 * 500; v++)
        ok[v] = ok[v] && ((x(sm + v - i) + x(sm - v - i)) % MOD);
    }
    for (int v = 0; v <= 500 * 500; v++)
      if (ok[v])
        ans.push_back(v);
  }
  cout << ans.size() << endl;
  for (int i = 0; i < ans.size(); i++)
    cout << ans[i] << " \n"[i == ans.size() - 1];
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:39:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |   for (int i = 0; i < ans.size(); i++)
      |                   ~~^~~~~~~~~~~~
bootfall.cpp:40:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |     cout << ans[i] << " \n"[i == ans.size() - 1];
      |                             ~~^~~~~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1492 KB Output is correct
2 Correct 3 ms 1492 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 3 ms 1540 KB Output is correct
5 Correct 4 ms 1492 KB Output is correct
6 Correct 4 ms 1460 KB Output is correct
7 Correct 3 ms 1492 KB Output is correct
8 Correct 6 ms 1492 KB Output is correct
9 Correct 5 ms 1492 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1492 KB Output is correct
2 Correct 3 ms 1492 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 3 ms 1540 KB Output is correct
5 Correct 4 ms 1492 KB Output is correct
6 Correct 4 ms 1460 KB Output is correct
7 Correct 3 ms 1492 KB Output is correct
8 Correct 6 ms 1492 KB Output is correct
9 Correct 5 ms 1492 KB Output is correct
10 Correct 10 ms 1492 KB Output is correct
11 Correct 9 ms 1440 KB Output is correct
12 Correct 8 ms 1492 KB Output is correct
13 Correct 7 ms 1492 KB Output is correct
14 Correct 9 ms 1492 KB Output is correct
15 Correct 10 ms 1492 KB Output is correct
16 Correct 10 ms 1532 KB Output is correct
17 Correct 8 ms 1528 KB Output is correct
18 Correct 8 ms 1492 KB Output is correct
19 Correct 8 ms 1492 KB Output is correct
20 Correct 9 ms 1464 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1492 KB Output is correct
2 Correct 3 ms 1492 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 3 ms 1540 KB Output is correct
5 Correct 4 ms 1492 KB Output is correct
6 Correct 4 ms 1460 KB Output is correct
7 Correct 3 ms 1492 KB Output is correct
8 Correct 6 ms 1492 KB Output is correct
9 Correct 5 ms 1492 KB Output is correct
10 Correct 10 ms 1492 KB Output is correct
11 Correct 9 ms 1440 KB Output is correct
12 Correct 8 ms 1492 KB Output is correct
13 Correct 7 ms 1492 KB Output is correct
14 Correct 9 ms 1492 KB Output is correct
15 Correct 10 ms 1492 KB Output is correct
16 Correct 10 ms 1532 KB Output is correct
17 Correct 8 ms 1528 KB Output is correct
18 Correct 8 ms 1492 KB Output is correct
19 Correct 8 ms 1492 KB Output is correct
20 Correct 9 ms 1464 KB Output is correct
21 Correct 16 ms 1560 KB Output is correct
22 Correct 18 ms 1532 KB Output is correct
23 Correct 12 ms 1544 KB Output is correct
24 Correct 23 ms 1492 KB Output is correct
25 Correct 24 ms 1556 KB Output is correct
26 Correct 26 ms 1560 KB Output is correct
27 Correct 25 ms 1564 KB Output is correct
28 Correct 35 ms 1548 KB Output is correct
29 Correct 38 ms 1556 KB Output is correct
30 Correct 30 ms 1492 KB Output is correct
31 Correct 26 ms 1492 KB Output is correct
32 Correct 24 ms 1536 KB Output is correct
33 Correct 26 ms 1556 KB Output is correct
34 Correct 25 ms 1568 KB Output is correct
35 Correct 25 ms 1492 KB Output is correct
36 Correct 24 ms 1544 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1492 KB Output is correct
2 Correct 3 ms 1492 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 3 ms 1540 KB Output is correct
5 Correct 4 ms 1492 KB Output is correct
6 Correct 4 ms 1460 KB Output is correct
7 Correct 3 ms 1492 KB Output is correct
8 Correct 6 ms 1492 KB Output is correct
9 Correct 5 ms 1492 KB Output is correct
10 Correct 10 ms 1492 KB Output is correct
11 Correct 9 ms 1440 KB Output is correct
12 Correct 8 ms 1492 KB Output is correct
13 Correct 7 ms 1492 KB Output is correct
14 Correct 9 ms 1492 KB Output is correct
15 Correct 10 ms 1492 KB Output is correct
16 Correct 10 ms 1532 KB Output is correct
17 Correct 8 ms 1528 KB Output is correct
18 Correct 8 ms 1492 KB Output is correct
19 Correct 8 ms 1492 KB Output is correct
20 Correct 9 ms 1464 KB Output is correct
21 Correct 16 ms 1560 KB Output is correct
22 Correct 18 ms 1532 KB Output is correct
23 Correct 12 ms 1544 KB Output is correct
24 Correct 23 ms 1492 KB Output is correct
25 Correct 24 ms 1556 KB Output is correct
26 Correct 26 ms 1560 KB Output is correct
27 Correct 25 ms 1564 KB Output is correct
28 Correct 35 ms 1548 KB Output is correct
29 Correct 38 ms 1556 KB Output is correct
30 Correct 30 ms 1492 KB Output is correct
31 Correct 26 ms 1492 KB Output is correct
32 Correct 24 ms 1536 KB Output is correct
33 Correct 26 ms 1556 KB Output is correct
34 Correct 25 ms 1568 KB Output is correct
35 Correct 25 ms 1492 KB Output is correct
36 Correct 24 ms 1544 KB Output is correct
37 Correct 68 ms 1712 KB Output is correct
38 Correct 57 ms 1716 KB Output is correct
39 Correct 100 ms 1732 KB Output is correct
40 Correct 94 ms 1764 KB Output is correct
41 Correct 123 ms 1792 KB Output is correct
42 Correct 91 ms 1760 KB Output is correct
43 Correct 101 ms 2032 KB Output is correct
44 Correct 107 ms 2120 KB Output is correct
45 Correct 109 ms 2124 KB Output is correct
46 Correct 81 ms 1636 KB Output is correct
47 Correct 88 ms 1780 KB Output is correct
48 Correct 111 ms 2012 KB Output is correct
49 Correct 106 ms 1812 KB Output is correct
50 Correct 87 ms 1764 KB Output is correct
51 Correct 15 ms 424 KB Output is correct
52 Correct 131 ms 2208 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1492 KB Output is correct
2 Correct 3 ms 1492 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 3 ms 1540 KB Output is correct
5 Correct 4 ms 1492 KB Output is correct
6 Correct 4 ms 1460 KB Output is correct
7 Correct 3 ms 1492 KB Output is correct
8 Correct 6 ms 1492 KB Output is correct
9 Correct 5 ms 1492 KB Output is correct
10 Correct 10 ms 1492 KB Output is correct
11 Correct 9 ms 1440 KB Output is correct
12 Correct 8 ms 1492 KB Output is correct
13 Correct 7 ms 1492 KB Output is correct
14 Correct 9 ms 1492 KB Output is correct
15 Correct 10 ms 1492 KB Output is correct
16 Correct 10 ms 1532 KB Output is correct
17 Correct 8 ms 1528 KB Output is correct
18 Correct 8 ms 1492 KB Output is correct
19 Correct 8 ms 1492 KB Output is correct
20 Correct 9 ms 1464 KB Output is correct
21 Correct 16 ms 1560 KB Output is correct
22 Correct 18 ms 1532 KB Output is correct
23 Correct 12 ms 1544 KB Output is correct
24 Correct 23 ms 1492 KB Output is correct
25 Correct 24 ms 1556 KB Output is correct
26 Correct 26 ms 1560 KB Output is correct
27 Correct 25 ms 1564 KB Output is correct
28 Correct 35 ms 1548 KB Output is correct
29 Correct 38 ms 1556 KB Output is correct
30 Correct 30 ms 1492 KB Output is correct
31 Correct 26 ms 1492 KB Output is correct
32 Correct 24 ms 1536 KB Output is correct
33 Correct 26 ms 1556 KB Output is correct
34 Correct 25 ms 1568 KB Output is correct
35 Correct 25 ms 1492 KB Output is correct
36 Correct 24 ms 1544 KB Output is correct
37 Correct 68 ms 1712 KB Output is correct
38 Correct 57 ms 1716 KB Output is correct
39 Correct 100 ms 1732 KB Output is correct
40 Correct 94 ms 1764 KB Output is correct
41 Correct 123 ms 1792 KB Output is correct
42 Correct 91 ms 1760 KB Output is correct
43 Correct 101 ms 2032 KB Output is correct
44 Correct 107 ms 2120 KB Output is correct
45 Correct 109 ms 2124 KB Output is correct
46 Correct 81 ms 1636 KB Output is correct
47 Correct 88 ms 1780 KB Output is correct
48 Correct 111 ms 2012 KB Output is correct
49 Correct 106 ms 1812 KB Output is correct
50 Correct 87 ms 1764 KB Output is correct
51 Correct 15 ms 424 KB Output is correct
52 Correct 131 ms 2208 KB Output is correct
53 Correct 134 ms 1948 KB Output is correct
54 Correct 148 ms 2112 KB Output is correct
55 Correct 218 ms 2476 KB Output is correct
56 Correct 130 ms 2136 KB Output is correct
57 Correct 228 ms 2608 KB Output is correct
58 Correct 158 ms 2144 KB Output is correct
59 Correct 188 ms 2376 KB Output is correct
60 Correct 35 ms 476 KB Output is correct
61 Correct 189 ms 2376 KB Output is correct
62 Correct 185 ms 2388 KB Output is correct
63 Correct 207 ms 2532 KB Output is correct
64 Correct 190 ms 2420 KB Output is correct
65 Correct 118 ms 1604 KB Output is correct
66 Correct 122 ms 1712 KB Output is correct

Subtask #6
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 1492 KB Output is correct
2 Correct 3 ms 1492 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 3 ms 1540 KB Output is correct
5 Correct 4 ms 1492 KB Output is correct
6 Correct 4 ms 1460 KB Output is correct
7 Correct 3 ms 1492 KB Output is correct
8 Correct 6 ms 1492 KB Output is correct
9 Correct 5 ms 1492 KB Output is correct
10 Correct 10 ms 1492 KB Output is correct
11 Correct 9 ms 1440 KB Output is correct
12 Correct 8 ms 1492 KB Output is correct
13 Correct 7 ms 1492 KB Output is correct
14 Correct 9 ms 1492 KB Output is correct
15 Correct 10 ms 1492 KB Output is correct
16 Correct 10 ms 1532 KB Output is correct
17 Correct 8 ms 1528 KB Output is correct
18 Correct 8 ms 1492 KB Output is correct
19 Correct 8 ms 1492 KB Output is correct
20 Correct 9 ms 1464 KB Output is correct
21 Correct 16 ms 1560 KB Output is correct
22 Correct 18 ms 1532 KB Output is correct
23 Correct 12 ms 1544 KB Output is correct
24 Correct 23 ms 1492 KB Output is correct
25 Correct 24 ms 1556 KB Output is correct
26 Correct 26 ms 1560 KB Output is correct
27 Correct 25 ms 1564 KB Output is correct
28 Correct 35 ms 1548 KB Output is correct
29 Correct 38 ms 1556 KB Output is correct
30 Correct 30 ms 1492 KB Output is correct
31 Correct 26 ms 1492 KB Output is correct
32 Correct 24 ms 1536 KB Output is correct
33 Correct 26 ms 1556 KB Output is correct
34 Correct 25 ms 1568 KB Output is correct
35 Correct 25 ms 1492 KB Output is correct
36 Correct 24 ms 1544 KB Output is correct
37 Correct 68 ms 1712 KB Output is correct
38 Correct 57 ms 1716 KB Output is correct
39 Correct 100 ms 1732 KB Output is correct
40 Correct 94 ms 1764 KB Output is correct
41 Correct 123 ms 1792 KB Output is correct
42 Correct 91 ms 1760 KB Output is correct
43 Correct 101 ms 2032 KB Output is correct
44 Correct 107 ms 2120 KB Output is correct
45 Correct 109 ms 2124 KB Output is correct
46 Correct 81 ms 1636 KB Output is correct
47 Correct 88 ms 1780 KB Output is correct
48 Correct 111 ms 2012 KB Output is correct
49 Correct 106 ms 1812 KB Output is correct
50 Correct 87 ms 1764 KB Output is correct
51 Correct 15 ms 424 KB Output is correct
52 Correct 131 ms 2208 KB Output is correct
53 Correct 134 ms 1948 KB Output is correct
54 Correct 148 ms 2112 KB Output is correct
55 Correct 218 ms 2476 KB Output is correct
56 Correct 130 ms 2136 KB Output is correct
57 Correct 228 ms 2608 KB Output is correct
58 Correct 158 ms 2144 KB Output is correct
59 Correct 188 ms 2376 KB Output is correct
60 Correct 35 ms 476 KB Output is correct
61 Correct 189 ms 2376 KB Output is correct
62 Correct 185 ms 2388 KB Output is correct
63 Correct 207 ms 2532 KB Output is correct
64 Correct 190 ms 2420 KB Output is correct
65 Correct 118 ms 1604 KB Output is correct
66 Correct 122 ms 1712 KB Output is correct
67 Correct 193 ms 2332 KB Output is correct
68 Correct 102 ms 716 KB Output is correct
69 Correct 527 ms 3452 KB Output is correct
70 Correct 354 ms 2772 KB Output is correct
71 Correct 361 ms 2764 KB Output is correct
72 Correct 307 ms 1996 KB Output is correct
73 Correct 284 ms 1960 KB Output is correct
74 Correct 544 ms 3616 KB Output is correct
75 Correct 439 ms 3224 KB Output is correct
76 Correct 551 ms 3692 KB Output is correct
77 Correct 556 ms 3708 KB Output is correct