oj.uz

답안 #500831

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
500831 2022-01-01T11:14:35 Z erray Financial Report (JOI21_financial) C++17
100 / 100
 602 ms 54984 KB 
// author: erray
#include <bits/stdc++.h>
#ifdef DEBUG
  #include "debug.h"
#else
  #define debug(...) void(37)
  #define here void(37)
#endif

using namespace std;

const int inf = 0;
struct SegTree {
  int n;
  vector<int> mx;
  SegTree(int _n) : n(_n) {
    mx.resize((n << 1), -inf);
  }

  void modify(int i, int p) {
    assert(i >= 0 && i < n);
    mx[i += n] = p;
    while (i > 1) {
      mx[(i >> 1)] = max(mx[i], mx[i ^ 1]);
      i >>= 1;
    }
  }

  int get(int l, int r) {
    assert(l >= 0 && l <= r && r < n);
    l += n;
    r += n + 1;
    int res = -inf;
    while (l < r) {
      if (l & 1) {
        res = max(res, mx[l]);
        ++l;
      } 
      if (r & 1) {
        --r;
        res = max(res, mx[r]);
      }
      l >>= 1;
      r >>= 1;
    }
    return res;
  }
};

int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  int N, D;
  cin >> N >> D;
  vector<int> A(N);
  for (int i = 0; i < N; ++i) {
    cin >> A[i];
  }
  map<int, vector<int>> pos;
  for (int i = 0; i < N; ++i) {
    pos[A[i]].push_back(i);
  }

  set<int> block;
  for (int i = 0; i < N; ++i) {
    block.insert(i);
  }
  SegTree st(N);
  vector<int> dp(N);
  for (auto[foo, a] : pos) {
    for (auto i : a) {
      auto it = block.lower_bound(i);
      while (it != block.begin() && *prev(it) + D >= i) {
        block.erase(prev(it));
        it = block.lower_bound(i);  
      }
      int lim = (it == block.begin() ? 0 : *prev(it) + 1);
      debug(i, block);
      dp[i] = st.get(lim, i) + 1;
    }
    for (auto i : a) {
      st.modify(i, dp[i]);
    }
  }
  debug(dp);
  cout << st.get(0, N - 1) << '\n';
}

Subtask #1
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 308 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 308 KB Output is correct
7 Correct 0 ms 308 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 232 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 0 ms 204 KB Output is correct
23 Correct 0 ms 316 KB Output is correct
24 Correct 0 ms 204 KB Output is correct
25 Correct 0 ms 204 KB Output is correct
26 Correct 0 ms 204 KB Output is correct

Subtask #2
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 308 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 308 KB Output is correct
7 Correct 0 ms 308 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 232 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 0 ms 204 KB Output is correct
23 Correct 0 ms 316 KB Output is correct
24 Correct 0 ms 204 KB Output is correct
25 Correct 0 ms 204 KB Output is correct
26 Correct 0 ms 204 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 260 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 296 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 312 KB Output is correct
37 Correct 1 ms 304 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
39 Correct 1 ms 332 KB Output is correct
40 Correct 1 ms 332 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 308 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 308 KB Output is correct
7 Correct 0 ms 308 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 232 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 0 ms 204 KB Output is correct
23 Correct 0 ms 316 KB Output is correct
24 Correct 0 ms 204 KB Output is correct
25 Correct 0 ms 204 KB Output is correct
26 Correct 0 ms 204 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 260 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 296 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 312 KB Output is correct
37 Correct 1 ms 304 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
39 Correct 1 ms 332 KB Output is correct
40 Correct 1 ms 332 KB Output is correct
41 Correct 5 ms 972 KB Output is correct
42 Correct 6 ms 1484 KB Output is correct
43 Correct 3 ms 844 KB Output is correct
44 Correct 4 ms 960 KB Output is correct
45 Correct 4 ms 1084 KB Output is correct
46 Correct 5 ms 1452 KB Output is correct
47 Correct 5 ms 1532 KB Output is correct
48 Correct 6 ms 1484 KB Output is correct
49 Correct 6 ms 1556 KB Output is correct
50 Correct 5 ms 1564 KB Output is correct
51 Correct 6 ms 1484 KB Output is correct
52 Correct 6 ms 1476 KB Output is correct
53 Correct 4 ms 1484 KB Output is correct
54 Correct 5 ms 1472 KB Output is correct
55 Correct 5 ms 1484 KB Output is correct
56 Correct 5 ms 1484 KB Output is correct
57 Correct 6 ms 1484 KB Output is correct
58 Correct 4 ms 1560 KB Output is correct
59 Correct 4 ms 1468 KB Output is correct
60 Correct 4 ms 1484 KB Output is correct
61 Correct 5 ms 1484 KB Output is correct

Subtask #4
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 158 ms 24376 KB Output is correct
2 Correct 181 ms 23096 KB Output is correct
3 Correct 310 ms 23748 KB Output is correct
4 Correct 602 ms 49968 KB Output is correct
5 Correct 415 ms 54980 KB Output is correct
6 Correct 595 ms 54980 KB Output is correct
7 Correct 234 ms 54464 KB Output is correct
8 Correct 230 ms 54708 KB Output is correct
9 Correct 230 ms 54820 KB Output is correct
10 Correct 230 ms 54840 KB Output is correct
11 Correct 354 ms 54772 KB Output is correct
12 Correct 388 ms 54844 KB Output is correct
13 Correct 439 ms 54844 KB Output is correct
14 Correct 550 ms 54844 KB Output is correct

Subtask #5
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 159 ms 24648 KB Output is correct
2 Correct 165 ms 23236 KB Output is correct
3 Correct 191 ms 24288 KB Output is correct
4 Correct 413 ms 54984 KB Output is correct
5 Correct 369 ms 54840 KB Output is correct
6 Correct 430 ms 54976 KB Output is correct
7 Correct 238 ms 54796 KB Output is correct
8 Correct 237 ms 54980 KB Output is correct
9 Correct 247 ms 54508 KB Output is correct
10 Correct 298 ms 54680 KB Output is correct
11 Correct 395 ms 54852 KB Output is correct
12 Correct 345 ms 54864 KB Output is correct

Subtask #6
35.0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 308 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 308 KB Output is correct
7 Correct 0 ms 308 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 232 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 0 ms 204 KB Output is correct
23 Correct 0 ms 316 KB Output is correct
24 Correct 0 ms 204 KB Output is correct
25 Correct 0 ms 204 KB Output is correct
26 Correct 0 ms 204 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 260 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 296 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 312 KB Output is correct
37 Correct 1 ms 304 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
39 Correct 1 ms 332 KB Output is correct
40 Correct 1 ms 332 KB Output is correct
41 Correct 5 ms 972 KB Output is correct
42 Correct 6 ms 1484 KB Output is correct
43 Correct 3 ms 844 KB Output is correct
44 Correct 4 ms 960 KB Output is correct
45 Correct 4 ms 1084 KB Output is correct
46 Correct 5 ms 1452 KB Output is correct
47 Correct 5 ms 1532 KB Output is correct
48 Correct 6 ms 1484 KB Output is correct
49 Correct 6 ms 1556 KB Output is correct
50 Correct 5 ms 1564 KB Output is correct
51 Correct 6 ms 1484 KB Output is correct
52 Correct 6 ms 1476 KB Output is correct
53 Correct 4 ms 1484 KB Output is correct
54 Correct 5 ms 1472 KB Output is correct
55 Correct 5 ms 1484 KB Output is correct
56 Correct 5 ms 1484 KB Output is correct
57 Correct 6 ms 1484 KB Output is correct
58 Correct 4 ms 1560 KB Output is correct
59 Correct 4 ms 1468 KB Output is correct
60 Correct 4 ms 1484 KB Output is correct
61 Correct 5 ms 1484 KB Output is correct
62 Correct 158 ms 24376 KB Output is correct
63 Correct 181 ms 23096 KB Output is correct
64 Correct 310 ms 23748 KB Output is correct
65 Correct 602 ms 49968 KB Output is correct
66 Correct 415 ms 54980 KB Output is correct
67 Correct 595 ms 54980 KB Output is correct
68 Correct 234 ms 54464 KB Output is correct
69 Correct 230 ms 54708 KB Output is correct
70 Correct 230 ms 54820 KB Output is correct
71 Correct 230 ms 54840 KB Output is correct
72 Correct 354 ms 54772 KB Output is correct
73 Correct 388 ms 54844 KB Output is correct
74 Correct 439 ms 54844 KB Output is correct
75 Correct 550 ms 54844 KB Output is correct
76 Correct 159 ms 24648 KB Output is correct
77 Correct 165 ms 23236 KB Output is correct
78 Correct 191 ms 24288 KB Output is correct
79 Correct 413 ms 54984 KB Output is correct
80 Correct 369 ms 54840 KB Output is correct
81 Correct 430 ms 54976 KB Output is correct
82 Correct 238 ms 54796 KB Output is correct
83 Correct 237 ms 54980 KB Output is correct
84 Correct 247 ms 54508 KB Output is correct
85 Correct 298 ms 54680 KB Output is correct
86 Correct 395 ms 54852 KB Output is correct
87 Correct 345 ms 54864 KB Output is correct
88 Correct 311 ms 23888 KB Output is correct
89 Correct 570 ms 53680 KB Output is correct
90 Correct 304 ms 28612 KB Output is correct
91 Correct 432 ms 54852 KB Output is correct
92 Correct 173 ms 23804 KB Output is correct
93 Correct 203 ms 24264 KB Output is correct
94 Correct 390 ms 44996 KB Output is correct
95 Correct 468 ms 54844 KB Output is correct
96 Correct 467 ms 54924 KB Output is correct
97 Correct 444 ms 54980 KB Output is correct
98 Correct 439 ms 54848 KB Output is correct
99 Correct 432 ms 54832 KB Output is correct
100 Correct 419 ms 54868 KB Output is correct
101 Correct 249 ms 54864 KB Output is correct
102 Correct 250 ms 54852 KB Output is correct
103 Correct 269 ms 54852 KB Output is correct
104 Correct 291 ms 54940 KB Output is correct
105 Correct 320 ms 54760 KB Output is correct
106 Correct 292 ms 54972 KB Output is correct
107 Correct 307 ms 54976 KB Output is correct
108 Correct 402 ms 54976 KB Output is correct
109 Correct 383 ms 54844 KB Output is correct
110 Correct 426 ms 54852 KB Output is correct
111 Correct 425 ms 54828 KB Output is correct
112 Correct 320 ms 54872 KB Output is correct
113 Correct 405 ms 54972 KB Output is correct
114 Correct 386 ms 54864 KB Output is correct
115 Correct 232 ms 54836 KB Output is correct
116 Correct 229 ms 54868 KB Output is correct
117 Correct 229 ms 54976 KB Output is correct
118 Correct 217 ms 54876 KB Output is correct
119 Correct 258 ms 54816 KB Output is correct
120 Correct 258 ms 54716 KB Output is correct