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답안 #952352

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
952352 2024-03-23T15:33:55 Z ind1v Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++11
77 / 100
 2611 ms 262148 KB 
#include <bits/stdc++.h>

using namespace std;

const int N = 1e6 + 5;
const int L = 20;

int n, m;
int w[N], rx[L][N];
int mx[L][N], lg2[N];
int mxr[L][N];

int rmx(int l, int r) {
  int w = lg2[r - l + 1];
  return max(mx[w][l], mx[w][r - (1 << w) + 1]);
}

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  for (int i = 2; i < N; i++) {
    lg2[i] = lg2[i >> 1] + 1;
  }
  cin >> n >> m;
  for (int i = 1; i <= n; i++) {
    cin >> w[i];
    mx[0][i] = w[i];
  }
  stack<int> st;
  for (int i = n; i >= 1; i--) {
    while (!st.empty() && w[i] > w[st.top()]) {
      st.pop();
    }
    rx[0][i] = (st.empty() ? n + 1 : st.top());
    st.push(i);
  }
  rx[0][n + 1] = n + 1;
  for (int j = 1; j < L; j++) {
    for (int i = 1; i <= n + 1; i++) {
      rx[j][i] = rx[j - 1][rx[j - 1][i]];
    }
    for (int i = 1; i + (1 << j) - 1 <= n; i++) {
      mx[j][i] = max(mx[j - 1][i], mx[j - 1][i + (1 << (j - 1))]);
    }
  }
  for (int i = 1; i <= n + 1; i++) {
    if (rx[0][i] > i + 1) {
      mxr[0][i] = w[i] + rmx(i + 1, rx[0][i] - 1);
    }
  }
  for (int j = 1; j < L; j++) {
    for (int i = 1; i <= n + 1; i++) {
      mxr[j][i] = max(mxr[j - 1][i], mxr[j - 1][rx[j - 1][i]]);
    }
  }
  while (m--) {
    int l, r, k;
    cin >> l >> r >> k;
    bool f = true;
    for (int i = L - 1; i >= 0; i--) {
      if (rx[i][l] <= r) {
        f &= (mxr[i][l] <= k);
        l = rx[i][l];
      }
    }
    if (l < r) {
      f &= (w[l] + rmx(l + 1, r) <= k);
    }
    cout << f << '\n';
  }
  return 0;
}

Subtask #1
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 37 ms 90456 KB Output is correct
2 Correct 11 ms 86364 KB Output is correct
3 Correct 16 ms 100700 KB Output is correct
4 Correct 12 ms 96652 KB Output is correct
5 Correct 12 ms 100756 KB Output is correct
6 Correct 14 ms 102748 KB Output is correct
7 Correct 13 ms 102748 KB Output is correct
8 Correct 13 ms 102864 KB Output is correct
9 Correct 13 ms 102748 KB Output is correct
10 Correct 14 ms 102708 KB Output is correct

Subtask #2
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 37 ms 90456 KB Output is correct
2 Correct 11 ms 86364 KB Output is correct
3 Correct 16 ms 100700 KB Output is correct
4 Correct 12 ms 96652 KB Output is correct
5 Correct 12 ms 100756 KB Output is correct
6 Correct 14 ms 102748 KB Output is correct
7 Correct 13 ms 102748 KB Output is correct
8 Correct 13 ms 102864 KB Output is correct
9 Correct 13 ms 102748 KB Output is correct
10 Correct 14 ms 102708 KB Output is correct
11 Correct 16 ms 106956 KB Output is correct
12 Correct 17 ms 111252 KB Output is correct
13 Correct 15 ms 111148 KB Output is correct
14 Correct 15 ms 111196 KB Output is correct
15 Correct 16 ms 111144 KB Output is correct
16 Correct 16 ms 111448 KB Output is correct
17 Correct 19 ms 111208 KB Output is correct
18 Correct 15 ms 111124 KB Output is correct

Subtask #3
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 982 ms 262144 KB Output is correct
2 Correct 1050 ms 262144 KB Output is correct
3 Correct 960 ms 262144 KB Output is correct
4 Correct 1010 ms 262144 KB Output is correct
5 Correct 2611 ms 262144 KB Output is correct

Subtask #4
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 64 ms 146252 KB Output is correct
2 Correct 58 ms 146192 KB Output is correct
3 Correct 79 ms 144464 KB Output is correct
4 Correct 85 ms 144468 KB Output is correct
5 Correct 84 ms 144468 KB Output is correct
6 Correct 59 ms 146256 KB Output is correct
7 Correct 57 ms 146260 KB Output is correct
8 Correct 80 ms 145968 KB Output is correct
9 Correct 37 ms 106324 KB Output is correct
10 Correct 67 ms 146004 KB Output is correct

Subtask #5
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 37 ms 90456 KB Output is correct
2 Correct 11 ms 86364 KB Output is correct
3 Correct 16 ms 100700 KB Output is correct
4 Correct 12 ms 96652 KB Output is correct
5 Correct 12 ms 100756 KB Output is correct
6 Correct 14 ms 102748 KB Output is correct
7 Correct 13 ms 102748 KB Output is correct
8 Correct 13 ms 102864 KB Output is correct
9 Correct 13 ms 102748 KB Output is correct
10 Correct 14 ms 102708 KB Output is correct
11 Correct 16 ms 106956 KB Output is correct
12 Correct 17 ms 111252 KB Output is correct
13 Correct 15 ms 111148 KB Output is correct
14 Correct 15 ms 111196 KB Output is correct
15 Correct 16 ms 111144 KB Output is correct
16 Correct 16 ms 111448 KB Output is correct
17 Correct 19 ms 111208 KB Output is correct
18 Correct 15 ms 111124 KB Output is correct
19 Correct 167 ms 177812 KB Output is correct
20 Correct 163 ms 177724 KB Output is correct
21 Correct 110 ms 177504 KB Output is correct
22 Correct 116 ms 177572 KB Output is correct
23 Correct 114 ms 177492 KB Output is correct
24 Correct 137 ms 176060 KB Output is correct
25 Correct 149 ms 175956 KB Output is correct
26 Correct 167 ms 176216 KB Output is correct
27 Correct 169 ms 176408 KB Output is correct
28 Correct 178 ms 176208 KB Output is correct
29 Correct 267 ms 176212 KB Output is correct
30 Correct 242 ms 176208 KB Output is correct
31 Correct 241 ms 176204 KB Output is correct
32 Correct 261 ms 176388 KB Output is correct
33 Correct 257 ms 176392 KB Output is correct
34 Correct 111 ms 177860 KB Output is correct
35 Correct 116 ms 178124 KB Output is correct
36 Correct 128 ms 177772 KB Output is correct
37 Correct 118 ms 177680 KB Output is correct
38 Correct 118 ms 178004 KB Output is correct
39 Correct 203 ms 176588 KB Output is correct
40 Correct 140 ms 155216 KB Output is correct
41 Correct 158 ms 175968 KB Output is correct

Subtask #6
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 37 ms 90456 KB Output is correct
2 Correct 11 ms 86364 KB Output is correct
3 Correct 16 ms 100700 KB Output is correct
4 Correct 12 ms 96652 KB Output is correct
5 Correct 12 ms 100756 KB Output is correct
6 Correct 14 ms 102748 KB Output is correct
7 Correct 13 ms 102748 KB Output is correct
8 Correct 13 ms 102864 KB Output is correct
9 Correct 13 ms 102748 KB Output is correct
10 Correct 14 ms 102708 KB Output is correct
11 Correct 16 ms 106956 KB Output is correct
12 Correct 17 ms 111252 KB Output is correct
13 Correct 15 ms 111148 KB Output is correct
14 Correct 15 ms 111196 KB Output is correct
15 Correct 16 ms 111144 KB Output is correct
16 Correct 16 ms 111448 KB Output is correct
17 Correct 19 ms 111208 KB Output is correct
18 Correct 15 ms 111124 KB Output is correct
19 Correct 982 ms 262144 KB Output is correct
20 Correct 1050 ms 262144 KB Output is correct
21 Correct 960 ms 262144 KB Output is correct
22 Correct 1010 ms 262144 KB Output is correct
23 Correct 2611 ms 262144 KB Output is correct
24 Correct 64 ms 146252 KB Output is correct
25 Correct 58 ms 146192 KB Output is correct
26 Correct 79 ms 144464 KB Output is correct
27 Correct 85 ms 144468 KB Output is correct
28 Correct 84 ms 144468 KB Output is correct
29 Correct 59 ms 146256 KB Output is correct
30 Correct 57 ms 146260 KB Output is correct
31 Correct 80 ms 145968 KB Output is correct
32 Correct 37 ms 106324 KB Output is correct
33 Correct 67 ms 146004 KB Output is correct
34 Correct 167 ms 177812 KB Output is correct
35 Correct 163 ms 177724 KB Output is correct
36 Correct 110 ms 177504 KB Output is correct
37 Correct 116 ms 177572 KB Output is correct
38 Correct 114 ms 177492 KB Output is correct
39 Correct 137 ms 176060 KB Output is correct
40 Correct 149 ms 175956 KB Output is correct
41 Correct 167 ms 176216 KB Output is correct
42 Correct 169 ms 176408 KB Output is correct
43 Correct 178 ms 176208 KB Output is correct
44 Correct 267 ms 176212 KB Output is correct
45 Correct 242 ms 176208 KB Output is correct
46 Correct 241 ms 176204 KB Output is correct
47 Correct 261 ms 176388 KB Output is correct
48 Correct 257 ms 176392 KB Output is correct
49 Correct 111 ms 177860 KB Output is correct
50 Correct 116 ms 178124 KB Output is correct
51 Correct 128 ms 177772 KB Output is correct
52 Correct 118 ms 177680 KB Output is correct
53 Correct 118 ms 178004 KB Output is correct
54 Correct 203 ms 176588 KB Output is correct
55 Correct 140 ms 155216 KB Output is correct
56 Correct 158 ms 175968 KB Output is correct
57 Runtime error 1070 ms 262148 KB Memory limit exceeded
58 Halted 0 ms 0 KB -