답안 #404470

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
404470	2021-05-14T13:03:14 Z	rama_pang	Money (IZhO17_money)	C++17	100 / 100	330 ms	18900 KB

money

#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;
}

Subtask #1
9.0 / 9.0

#	결과	실행 시간	메모리	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

Subtask #2
16.0 / 16.0

#	결과	실행 시간	메모리	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

Subtask #3
20.0 / 20.0

#	결과	실행 시간	메모리	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

Subtask #4
55.0 / 55.0

#	결과	실행 시간	메모리	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

답안 #404470

Compilation message

Subtask #1 9.0 / 9.0

Subtask #2 16.0 / 16.0

Subtask #3 20.0 / 20.0

Subtask #4 55.0 / 55.0

Subtask #1
9.0 / 9.0

Subtask #2
16.0 / 16.0

Subtask #3
20.0 / 20.0

Subtask #4
55.0 / 55.0