Submission #404470

# Submission time Handle Problem Language Result Execution time Memory
404470 2021-05-14T13:03:14 Z rama_pang Money (IZhO17_money) C++17
100 / 100
330 ms 18900 KB
#include <bits/stdc++.h>
using namespace std;

class SegTree {
 public:
  int sz;
  vector<int> tree;

  SegTree(int sz) : sz(sz), tree(2 * sz, 0) {}

  void Update(int p, int x) {
    for (p += sz; p > 0; p /= 2) tree[p] += x;
  }

  int Query(int l, int r) {
    int res = 0 ;
    for (l += sz, r += sz; l < r; l /= 2, r /= 2) {
      if (l & 1) res += tree[l++];
      if (r & 1) res += tree[--r];
    }
    return res;
  }
};

int main() {
  ios::sync_with_stdio(0);
  cin.tie(0);

  int N;
  cin >> N;
  vector<int> A(N);
  for (int i = 0; i < N; i++) {
    cin >> A[i];
  }

  const int MAX = 1e6 + 5;
  SegTree seg(MAX);

  int ans = 0;
  for (int i = 0, j; i < N; i = j + 1) {
    ans += 1;
    for (j = i; j + 1 < N && A[j] <= A[j + 1] && seg.Query(A[i] + 1, A[j + 1]) == 0; j++);
    for (int k = i; k <= j; k++) {
      seg.Update(A[k], 1);
    }
  }

  cout << ans << '\n';
  return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 5 ms 8140 KB Output is correct
2 Correct 4 ms 8140 KB Output is correct
3 Correct 4 ms 8140 KB Output is correct
4 Correct 4 ms 8140 KB Output is correct
5 Correct 4 ms 8140 KB Output is correct
6 Correct 4 ms 8140 KB Output is correct
7 Correct 5 ms 8140 KB Output is correct
8 Correct 5 ms 8140 KB Output is correct
9 Correct 5 ms 8064 KB Output is correct
10 Correct 5 ms 8120 KB Output is correct
11 Correct 5 ms 8140 KB Output is correct
12 Correct 5 ms 8140 KB Output is correct
13 Correct 4 ms 8140 KB Output is correct
14 Correct 5 ms 8128 KB Output is correct
15 Correct 5 ms 8140 KB Output is correct
16 Correct 5 ms 8124 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 8140 KB Output is correct
2 Correct 4 ms 8140 KB Output is correct
3 Correct 4 ms 8140 KB Output is correct
4 Correct 4 ms 8140 KB Output is correct
5 Correct 4 ms 8140 KB Output is correct
6 Correct 4 ms 8140 KB Output is correct
7 Correct 5 ms 8140 KB Output is correct
8 Correct 5 ms 8140 KB Output is correct
9 Correct 5 ms 8064 KB Output is correct
10 Correct 5 ms 8120 KB Output is correct
11 Correct 5 ms 8140 KB Output is correct
12 Correct 5 ms 8140 KB Output is correct
13 Correct 4 ms 8140 KB Output is correct
14 Correct 5 ms 8128 KB Output is correct
15 Correct 5 ms 8140 KB Output is correct
16 Correct 5 ms 8124 KB Output is correct
17 Correct 5 ms 8032 KB Output is correct
18 Correct 4 ms 8140 KB Output is correct
19 Correct 5 ms 8120 KB Output is correct
20 Correct 5 ms 8140 KB Output is correct
21 Correct 4 ms 8140 KB Output is correct
22 Correct 5 ms 8124 KB Output is correct
23 Correct 5 ms 8140 KB Output is correct
24 Correct 5 ms 8140 KB Output is correct
25 Correct 5 ms 8140 KB Output is correct
26 Correct 6 ms 8140 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 8140 KB Output is correct
2 Correct 4 ms 8140 KB Output is correct
3 Correct 4 ms 8140 KB Output is correct
4 Correct 4 ms 8140 KB Output is correct
5 Correct 4 ms 8140 KB Output is correct
6 Correct 4 ms 8140 KB Output is correct
7 Correct 5 ms 8140 KB Output is correct
8 Correct 5 ms 8140 KB Output is correct
9 Correct 5 ms 8064 KB Output is correct
10 Correct 5 ms 8120 KB Output is correct
11 Correct 5 ms 8140 KB Output is correct
12 Correct 5 ms 8140 KB Output is correct
13 Correct 4 ms 8140 KB Output is correct
14 Correct 5 ms 8128 KB Output is correct
15 Correct 5 ms 8140 KB Output is correct
16 Correct 5 ms 8124 KB Output is correct
17 Correct 5 ms 8032 KB Output is correct
18 Correct 4 ms 8140 KB Output is correct
19 Correct 5 ms 8120 KB Output is correct
20 Correct 5 ms 8140 KB Output is correct
21 Correct 4 ms 8140 KB Output is correct
22 Correct 5 ms 8124 KB Output is correct
23 Correct 5 ms 8140 KB Output is correct
24 Correct 5 ms 8140 KB Output is correct
25 Correct 5 ms 8140 KB Output is correct
26 Correct 6 ms 8140 KB Output is correct
27 Correct 5 ms 8140 KB Output is correct
28 Correct 5 ms 8140 KB Output is correct
29 Correct 5 ms 8140 KB Output is correct
30 Correct 4 ms 8140 KB Output is correct
31 Correct 4 ms 8120 KB Output is correct
32 Correct 5 ms 8140 KB Output is correct
33 Correct 5 ms 8140 KB Output is correct
34 Correct 4 ms 8140 KB Output is correct
35 Correct 5 ms 8120 KB Output is correct
36 Correct 5 ms 8128 KB Output is correct
37 Correct 4 ms 8140 KB Output is correct
38 Correct 6 ms 8140 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 8140 KB Output is correct
2 Correct 4 ms 8140 KB Output is correct
3 Correct 4 ms 8140 KB Output is correct
4 Correct 4 ms 8140 KB Output is correct
5 Correct 4 ms 8140 KB Output is correct
6 Correct 4 ms 8140 KB Output is correct
7 Correct 5 ms 8140 KB Output is correct
8 Correct 5 ms 8140 KB Output is correct
9 Correct 5 ms 8064 KB Output is correct
10 Correct 5 ms 8120 KB Output is correct
11 Correct 5 ms 8140 KB Output is correct
12 Correct 5 ms 8140 KB Output is correct
13 Correct 4 ms 8140 KB Output is correct
14 Correct 5 ms 8128 KB Output is correct
15 Correct 5 ms 8140 KB Output is correct
16 Correct 5 ms 8124 KB Output is correct
17 Correct 5 ms 8032 KB Output is correct
18 Correct 4 ms 8140 KB Output is correct
19 Correct 5 ms 8120 KB Output is correct
20 Correct 5 ms 8140 KB Output is correct
21 Correct 4 ms 8140 KB Output is correct
22 Correct 5 ms 8124 KB Output is correct
23 Correct 5 ms 8140 KB Output is correct
24 Correct 5 ms 8140 KB Output is correct
25 Correct 5 ms 8140 KB Output is correct
26 Correct 6 ms 8140 KB Output is correct
27 Correct 5 ms 8140 KB Output is correct
28 Correct 5 ms 8140 KB Output is correct
29 Correct 5 ms 8140 KB Output is correct
30 Correct 4 ms 8140 KB Output is correct
31 Correct 4 ms 8120 KB Output is correct
32 Correct 5 ms 8140 KB Output is correct
33 Correct 5 ms 8140 KB Output is correct
34 Correct 4 ms 8140 KB Output is correct
35 Correct 5 ms 8120 KB Output is correct
36 Correct 5 ms 8128 KB Output is correct
37 Correct 4 ms 8140 KB Output is correct
38 Correct 6 ms 8140 KB Output is correct
39 Correct 117 ms 13216 KB Output is correct
40 Correct 164 ms 16440 KB Output is correct
41 Correct 65 ms 12224 KB Output is correct
42 Correct 68 ms 11816 KB Output is correct
43 Correct 46 ms 10656 KB Output is correct
44 Correct 171 ms 18688 KB Output is correct
45 Correct 165 ms 18680 KB Output is correct
46 Correct 177 ms 18804 KB Output is correct
47 Correct 151 ms 18884 KB Output is correct
48 Correct 150 ms 18900 KB Output is correct
49 Correct 232 ms 18852 KB Output is correct
50 Correct 231 ms 18856 KB Output is correct
51 Correct 245 ms 18680 KB Output is correct
52 Correct 217 ms 18848 KB Output is correct
53 Correct 254 ms 18848 KB Output is correct
54 Correct 243 ms 18684 KB Output is correct
55 Correct 310 ms 18668 KB Output is correct
56 Correct 330 ms 18756 KB Output is correct
57 Correct 322 ms 18788 KB Output is correct
58 Correct 312 ms 18796 KB Output is correct
59 Correct 288 ms 18688 KB Output is correct
60 Correct 286 ms 18804 KB Output is correct
61 Correct 317 ms 18792 KB Output is correct
62 Correct 290 ms 18784 KB Output is correct