oj.uz

Submission #154249

# Submission time Handle Problem Language Result Execution time Memory
154249 2019-09-19T14:35:55 Z nthoang Bali Sculptures (APIO15_sculpture) C++17
100 / 100
 138 ms 504 KB 
#include <bits/stdc++.h>

#ifdef LOCAL
#include "/Users/nth842002/Library/debug.h"
#endif

using namespace std;

const int N = 2222;
const int LOG = 45;
const int INF = (int) 1e9 + 7;

int n, A, B;
long long a[N];
long long p2[LOG + 10];
long long prefix;

inline bool Check(long long sum) {
  sum = p2[LOG] - 1 - sum;
  return (sum & prefix) == prefix;
}

void Solve1() {
  long long ans = 0;
  for (int bits = LOG - 1; bits >= 0; bits--) {
    prefix += p2[bits];
    vector<int> f(n + 1, INF);
    f[0] = 0;
    for (int i = 0; i < n; i++) {
      if (f[i] == INF) {
        continue;
      }
      for (int j = i; j < n; j++) {
        if (Check(a[j] - (i == 0 ? 0 : a[i - 1]))) {
          f[j + 1] = min(f[j + 1], f[i] + 1);
        }
      }
    }
    if (f[n] > B) {
      prefix -= p2[bits];
      ans += p2[bits];
    }
  }
  cout << ans << '\n';
}

void Solve2() {
  long long ans = 0;
  for (int bits = LOG - 1; bits >= 0; bits--) {
    prefix += p2[bits];
    vector<vector<bool>> f(n + 1, vector<bool>(n + 1));
    f[0][0] = true;
    for (int i = 0; i < n; i++) {
      for (int k = 0; k < B; k++) {
        if (!f[i][k]) {
          continue;
        }
        for (int j = i; j < n; j++) {
          if (Check(a[j] - (i == 0 ? 0 : a[i - 1]))) {
            f[j + 1][k + 1] = true;
          }
        }
      }
    }
    bool exist = false;
    for (int k = A; k <= B; k++) {
      if (f[n][k]) {
        exist = true;
        break;
      }
    }
    if (not exist) {
      prefix -= p2[bits];
      ans += p2[bits];
    }
  }
  cout << ans << '\n';
}

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  cin >> n >> A >> B;
  for (int i = 0; i < n; i++) {
    cin >> a[i];
    a[i] += a[i - 1];
  }
  p2[0] = 1;
  for (int i = 1; i <= LOG; i++) {
    p2[i] = p2[i - 1] + p2[i - 1];
  }
  if (A == 1) {
    Solve1();
  } else {
    Solve2();
  }
  return 0;
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 380 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 420 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 380 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 380 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 504 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 444 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 412 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 416 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 348 KB Output is correct
4 Correct 2 ms 412 KB Output is correct
5 Correct 2 ms 380 KB Output is correct
6 Correct 2 ms 416 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 348 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 380 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 400 KB Output is correct
18 Correct 2 ms 424 KB Output is correct
19 Correct 2 ms 504 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 3 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 3 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 2 ms 416 KB Output is correct
4 Correct 2 ms 380 KB Output is correct
5 Correct 0 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 292 KB Output is correct
8 Correct 2 ms 292 KB Output is correct
9 Correct 2 ms 348 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 380 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 380 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 3 ms 380 KB Output is correct
27 Correct 3 ms 376 KB Output is correct
28 Correct 3 ms 376 KB Output is correct
29 Correct 1 ms 372 KB Output is correct
30 Correct 3 ms 376 KB Output is correct
31 Correct 3 ms 376 KB Output is correct
32 Correct 3 ms 376 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 0 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 3 ms 376 KB Output is correct
21 Correct 3 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 380 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 3 ms 376 KB Output is correct
34 Correct 3 ms 376 KB Output is correct
35 Correct 2 ms 420 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 252 KB Output is correct
38 Correct 3 ms 376 KB Output is correct
39 Correct 3 ms 376 KB Output is correct
40 Correct 2 ms 380 KB Output is correct
41 Correct 2 ms 376 KB Output is correct
42 Correct 2 ms 376 KB Output is correct
43 Correct 2 ms 376 KB Output is correct
44 Correct 2 ms 376 KB Output is correct
45 Correct 2 ms 376 KB Output is correct
46 Correct 2 ms 376 KB Output is correct
47 Correct 3 ms 376 KB Output is correct
48 Correct 2 ms 376 KB Output is correct
49 Correct 3 ms 376 KB Output is correct
50 Correct 2 ms 376 KB Output is correct
51 Correct 3 ms 376 KB Output is correct
52 Correct 3 ms 376 KB Output is correct
53 Correct 3 ms 376 KB Output is correct
54 Correct 3 ms 376 KB Output is correct
55 Correct 2 ms 376 KB Output is correct
56 Correct 3 ms 420 KB Output is correct
57 Correct 2 ms 296 KB Output is correct
58 Correct 2 ms 380 KB Output is correct
59 Correct 2 ms 376 KB Output is correct
60 Correct 3 ms 376 KB Output is correct
61 Correct 2 ms 376 KB Output is correct
62 Correct 3 ms 376 KB Output is correct
63 Correct 2 ms 376 KB Output is correct
64 Correct 22 ms 432 KB Output is correct
65 Correct 4 ms 376 KB Output is correct
66 Correct 3 ms 376 KB Output is correct
67 Correct 5 ms 376 KB Output is correct
68 Correct 9 ms 376 KB Output is correct
69 Correct 11 ms 376 KB Output is correct
70 Correct 11 ms 376 KB Output is correct
71 Correct 3 ms 376 KB Output is correct
72 Correct 13 ms 376 KB Output is correct
73 Correct 13 ms 376 KB Output is correct
74 Correct 13 ms 376 KB Output is correct

Subtask #5
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 252 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 504 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 3 ms 376 KB Output is correct
22 Correct 3 ms 380 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 380 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 380 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 3 ms 376 KB Output is correct
38 Correct 3 ms 376 KB Output is correct
39 Correct 3 ms 376 KB Output is correct
40 Correct 3 ms 376 KB Output is correct
41 Correct 3 ms 376 KB Output is correct
42 Correct 3 ms 376 KB Output is correct
43 Correct 2 ms 376 KB Output is correct
44 Correct 3 ms 376 KB Output is correct
45 Correct 2 ms 376 KB Output is correct
46 Correct 2 ms 376 KB Output is correct
47 Correct 2 ms 376 KB Output is correct
48 Correct 2 ms 376 KB Output is correct
49 Correct 3 ms 376 KB Output is correct
50 Correct 2 ms 376 KB Output is correct
51 Correct 3 ms 376 KB Output is correct
52 Correct 11 ms 376 KB Output is correct
53 Correct 10 ms 376 KB Output is correct
54 Correct 37 ms 376 KB Output is correct
55 Correct 27 ms 436 KB Output is correct
56 Correct 58 ms 424 KB Output is correct
57 Correct 53 ms 504 KB Output is correct
58 Correct 71 ms 420 KB Output is correct
59 Correct 98 ms 376 KB Output is correct
60 Correct 68 ms 376 KB Output is correct
61 Correct 2 ms 376 KB Output is correct
62 Correct 10 ms 376 KB Output is correct
63 Correct 38 ms 400 KB Output is correct
64 Correct 16 ms 376 KB Output is correct
65 Correct 28 ms 504 KB Output is correct
66 Correct 41 ms 376 KB Output is correct
67 Correct 54 ms 376 KB Output is correct
68 Correct 138 ms 376 KB Output is correct
69 Correct 52 ms 504 KB Output is correct