oj.uz

답안 #825176

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
825176 2023-08-14T15:05:20 Z tch1cherin The short shank; Redemption (BOI21_prison) C++17
100 / 100
 415 ms 55516 KB 
#include <bits/stdc++.h>
using namespace std;

int main() {
  cin.tie(nullptr)->sync_with_stdio(false);
  int N, D, T;
  cin >> N >> D >> T;
  vector<int> pi(N, N);
  stack<pair<int, int>> S;
  int max_r = -1;
  int active = 0, passive = 0;
  for (int i = 0; i < N; i++) {
    int t;
    cin >> t;
    active += t <= T;
    max_r = max(max_r, i + T - t);
    if (!S.empty()) {
      S.top().second = max(S.top().second, i + T - t);
    }
    if (t > T && i <= max_r) {
      passive++;
      pi[i] = N;
      while (!S.empty() && S.top().second < i) {
        pi[S.top().first] = i;
        S.pop();
      }
      S.emplace(i, -1);
    } else {
      pi[i] = -1;
    }
  }
  vector<int> depth(N + 1, -1);
  depth[N] = 0;
  for (int i = N - 1; i >= 0; i--) {
    if (pi[i] != -1) {
      depth[i] = depth[pi[i]] + 1;
    }
  }
  vector<int> ord(N);
  iota(ord.begin(), ord.end(), 0);
  sort(ord.begin(), ord.end(), [&](int i, int j) {
    return depth[i] > depth[j];
  });
  vector<int> c(N);
  vector<bool> used(N);
  for (int i : ord) {
    if (pi[i] == -1) {
      continue;
    }
    int j = i;
    while (j < N && !used[j]) {
      c[i]++;
      used[j] = true;
      j = pi[j];
    }
  }
  sort(ord.begin(), ord.end(), [&](int i, int j) {
    return c[i] > c[j];
  });
  used.assign(N, false);
  int sum = 0;
  for (int k = 0; k < D; k++) {
    int i = ord[k];
    if (pi[i] == -1) {
      continue;
    }
    int j = i;
    while (j < N && !used[j]) {
      sum++;
      used[j] = true;
      j = pi[j];
    }
  }
  cout << active + passive - sum << "\n";
}

Subtask #1
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 76 ms 14068 KB Output is correct
3 Correct 69 ms 13904 KB Output is correct
4 Correct 67 ms 12492 KB Output is correct
5 Correct 61 ms 10292 KB Output is correct
6 Correct 71 ms 12600 KB Output is correct
7 Correct 110 ms 12112 KB Output is correct
8 Correct 71 ms 12788 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 316 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 2 ms 340 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 11 ms 2388 KB Output is correct
3 Correct 11 ms 2388 KB Output is correct
4 Correct 11 ms 2004 KB Output is correct
5 Correct 10 ms 2260 KB Output is correct
6 Correct 10 ms 2260 KB Output is correct
7 Correct 9 ms 2020 KB Output is correct
8 Correct 10 ms 2068 KB Output is correct
9 Correct 15 ms 1996 KB Output is correct
10 Correct 8 ms 2256 KB Output is correct

Subtask #5
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 316 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 384 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 2 ms 340 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 11 ms 2388 KB Output is correct
38 Correct 11 ms 2388 KB Output is correct
39 Correct 11 ms 2004 KB Output is correct
40 Correct 10 ms 2260 KB Output is correct
41 Correct 10 ms 2260 KB Output is correct
42 Correct 9 ms 2020 KB Output is correct
43 Correct 10 ms 2068 KB Output is correct
44 Correct 15 ms 1996 KB Output is correct
45 Correct 8 ms 2256 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 1 ms 324 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 1 ms 216 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 0 ms 320 KB Output is correct
53 Correct 1 ms 212 KB Output is correct
54 Correct 0 ms 212 KB Output is correct
55 Correct 1 ms 212 KB Output is correct
56 Correct 0 ms 212 KB Output is correct
57 Correct 1 ms 340 KB Output is correct
58 Correct 1 ms 340 KB Output is correct
59 Correct 1 ms 340 KB Output is correct
60 Correct 1 ms 340 KB Output is correct
61 Correct 1 ms 340 KB Output is correct
62 Correct 1 ms 340 KB Output is correct
63 Correct 1 ms 340 KB Output is correct
64 Correct 1 ms 340 KB Output is correct
65 Correct 1 ms 340 KB Output is correct
66 Correct 1 ms 340 KB Output is correct
67 Correct 1 ms 340 KB Output is correct
68 Correct 1 ms 340 KB Output is correct
69 Correct 1 ms 340 KB Output is correct
70 Correct 1 ms 212 KB Output is correct
71 Correct 11 ms 2380 KB Output is correct
72 Correct 11 ms 2400 KB Output is correct
73 Correct 11 ms 1924 KB Output is correct
74 Correct 9 ms 2260 KB Output is correct
75 Correct 10 ms 2260 KB Output is correct
76 Correct 9 ms 2020 KB Output is correct
77 Correct 10 ms 2004 KB Output is correct
78 Correct 15 ms 2028 KB Output is correct
79 Correct 8 ms 2260 KB Output is correct
80 Correct 11 ms 2408 KB Output is correct
81 Correct 11 ms 2284 KB Output is correct
82 Correct 11 ms 2388 KB Output is correct
83 Correct 11 ms 1876 KB Output is correct
84 Correct 9 ms 1740 KB Output is correct
85 Correct 10 ms 2260 KB Output is correct
86 Correct 10 ms 2080 KB Output is correct
87 Correct 10 ms 2028 KB Output is correct
88 Correct 13 ms 2016 KB Output is correct
89 Correct 12 ms 2004 KB Output is correct
90 Correct 10 ms 2024 KB Output is correct

Subtask #6
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 76 ms 14068 KB Output is correct
14 Correct 69 ms 13904 KB Output is correct
15 Correct 67 ms 12492 KB Output is correct
16 Correct 61 ms 10292 KB Output is correct
17 Correct 71 ms 12600 KB Output is correct
18 Correct 110 ms 12112 KB Output is correct
19 Correct 71 ms 12788 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 316 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 384 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 2 ms 340 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 11 ms 2388 KB Output is correct
46 Correct 11 ms 2388 KB Output is correct
47 Correct 11 ms 2004 KB Output is correct
48 Correct 10 ms 2260 KB Output is correct
49 Correct 10 ms 2260 KB Output is correct
50 Correct 9 ms 2020 KB Output is correct
51 Correct 10 ms 2068 KB Output is correct
52 Correct 15 ms 1996 KB Output is correct
53 Correct 8 ms 2256 KB Output is correct
54 Correct 0 ms 212 KB Output is correct
55 Correct 1 ms 324 KB Output is correct
56 Correct 1 ms 212 KB Output is correct
57 Correct 1 ms 216 KB Output is correct
58 Correct 1 ms 340 KB Output is correct
59 Correct 1 ms 212 KB Output is correct
60 Correct 0 ms 320 KB Output is correct
61 Correct 1 ms 212 KB Output is correct
62 Correct 0 ms 212 KB Output is correct
63 Correct 1 ms 212 KB Output is correct
64 Correct 0 ms 212 KB Output is correct
65 Correct 1 ms 340 KB Output is correct
66 Correct 1 ms 340 KB Output is correct
67 Correct 1 ms 340 KB Output is correct
68 Correct 1 ms 340 KB Output is correct
69 Correct 1 ms 340 KB Output is correct
70 Correct 1 ms 340 KB Output is correct
71 Correct 1 ms 340 KB Output is correct
72 Correct 1 ms 340 KB Output is correct
73 Correct 1 ms 340 KB Output is correct
74 Correct 1 ms 340 KB Output is correct
75 Correct 1 ms 340 KB Output is correct
76 Correct 1 ms 340 KB Output is correct
77 Correct 1 ms 340 KB Output is correct
78 Correct 1 ms 212 KB Output is correct
79 Correct 11 ms 2380 KB Output is correct
80 Correct 11 ms 2400 KB Output is correct
81 Correct 11 ms 1924 KB Output is correct
82 Correct 9 ms 2260 KB Output is correct
83 Correct 10 ms 2260 KB Output is correct
84 Correct 9 ms 2020 KB Output is correct
85 Correct 10 ms 2004 KB Output is correct
86 Correct 15 ms 2028 KB Output is correct
87 Correct 8 ms 2260 KB Output is correct
88 Correct 11 ms 2408 KB Output is correct
89 Correct 11 ms 2284 KB Output is correct
90 Correct 11 ms 2388 KB Output is correct
91 Correct 11 ms 1876 KB Output is correct
92 Correct 9 ms 1740 KB Output is correct
93 Correct 10 ms 2260 KB Output is correct
94 Correct 10 ms 2080 KB Output is correct
95 Correct 10 ms 2028 KB Output is correct
96 Correct 13 ms 2016 KB Output is correct
97 Correct 12 ms 2004 KB Output is correct
98 Correct 10 ms 2024 KB Output is correct
99 Correct 0 ms 212 KB Output is correct
100 Correct 1 ms 212 KB Output is correct
101 Correct 0 ms 212 KB Output is correct
102 Correct 0 ms 328 KB Output is correct
103 Correct 1 ms 212 KB Output is correct
104 Correct 0 ms 212 KB Output is correct
105 Correct 0 ms 320 KB Output is correct
106 Correct 0 ms 212 KB Output is correct
107 Correct 0 ms 212 KB Output is correct
108 Correct 1 ms 212 KB Output is correct
109 Correct 0 ms 212 KB Output is correct
110 Correct 0 ms 324 KB Output is correct
111 Correct 73 ms 14028 KB Output is correct
112 Correct 72 ms 13872 KB Output is correct
113 Correct 84 ms 12468 KB Output is correct
114 Correct 66 ms 10316 KB Output is correct
115 Correct 73 ms 12580 KB Output is correct
116 Correct 110 ms 12000 KB Output is correct
117 Correct 71 ms 12828 KB Output is correct
118 Correct 1 ms 340 KB Output is correct
119 Correct 1 ms 340 KB Output is correct
120 Correct 1 ms 376 KB Output is correct
121 Correct 1 ms 340 KB Output is correct
122 Correct 1 ms 340 KB Output is correct
123 Correct 1 ms 340 KB Output is correct
124 Correct 1 ms 340 KB Output is correct
125 Correct 1 ms 340 KB Output is correct
126 Correct 1 ms 356 KB Output is correct
127 Correct 1 ms 340 KB Output is correct
128 Correct 1 ms 340 KB Output is correct
129 Correct 1 ms 328 KB Output is correct
130 Correct 1 ms 340 KB Output is correct
131 Correct 0 ms 212 KB Output is correct
132 Correct 11 ms 2388 KB Output is correct
133 Correct 11 ms 2388 KB Output is correct
134 Correct 11 ms 2004 KB Output is correct
135 Correct 9 ms 2148 KB Output is correct
136 Correct 10 ms 2148 KB Output is correct
137 Correct 11 ms 2128 KB Output is correct
138 Correct 12 ms 2024 KB Output is correct
139 Correct 16 ms 2008 KB Output is correct
140 Correct 8 ms 2252 KB Output is correct
141 Correct 11 ms 2380 KB Output is correct
142 Correct 11 ms 2388 KB Output is correct
143 Correct 12 ms 2420 KB Output is correct
144 Correct 11 ms 1896 KB Output is correct
145 Correct 8 ms 1776 KB Output is correct
146 Correct 10 ms 2172 KB Output is correct
147 Correct 11 ms 2072 KB Output is correct
148 Correct 9 ms 2152 KB Output is correct
149 Correct 13 ms 2000 KB Output is correct
150 Correct 8 ms 2004 KB Output is correct
151 Correct 8 ms 2016 KB Output is correct
152 Correct 335 ms 55516 KB Output is correct
153 Correct 323 ms 55292 KB Output is correct
154 Correct 325 ms 55280 KB Output is correct
155 Correct 316 ms 47260 KB Output is correct
156 Correct 320 ms 40580 KB Output is correct
157 Correct 267 ms 51140 KB Output is correct
158 Correct 273 ms 51652 KB Output is correct
159 Correct 415 ms 49340 KB Output is correct
160 Correct 302 ms 49096 KB Output is correct
161 Correct 249 ms 52624 KB Output is correct
162 Correct 263 ms 50520 KB Output is correct