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Submission #930208

# Submission time Handle Problem Language Result Execution time Memory
930208 2024-02-19T02:41:57 Z vjudge1 Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
100 / 100
 1371 ms 141828 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define int long long
#define pb push_back
#define all(x) x.begin(), x.end()

const int maxn = 1e6 + 5;
const int mod = 1e9 + 7;

vector <int> g[maxn];
stack <int> st;
int a[maxn], t[4 * maxn];
int ans[maxn], res[maxn], l[maxn], r[maxn], k[maxn];

void upd(int v, int tl, int tr, int pos, int val) {
  if (tl == tr) {
    t[v] = max(val + a[pos], t[v]);
    return;
  }
  int mid = tl + tr >> 1;
  if (pos <= mid) upd(v + v, tl, mid, pos, val);
  else upd(v + v + 1, mid + 1, tr, pos, val);
  t[v] = max(t[v + v], t[v + v + 1]);
}

int get(int v, int tl, int tr, int l, int r) {
  if (l > tr || r < tl) return 0;
  if (l <= tl && tr <= r) return t[v];
  int mid = tl + tr >> 1;
  return max(get(v + v, tl, mid, l, r), get(v + v + 1, mid + 1, tr, l, r));
}

signed main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0); cout.tie(0);
  
  int n, m;
  cin >> n >> m;
  for (int i = 1; i <= n; i++) {
    cin >> a[i];
    while (!st.empty() && a[st.top()] <= a[i]) {
      st.pop();
    }
    if (st.empty()) ans[i] = -1;
    else ans[i] = st.top();
    st.push(i);
  }
  for (int i = 1; i <= m; i++) {
    cin >> l[i] >> r[i] >> k[i];
    g[r[i]].pb(i);
  }
  for (int i = 1; i <= n; i++) {
    if (ans[i] != -1) upd(1, 1, n, ans[i], a[i]);
    for (auto to : g[i]) res[to] = (get(1, 1, n, l[to], r[to]) > k[to] ? 0 : 1);
  }
  for (int i = 1; i <= m; i++) {
    cout << res[i] << '\n';
  }
}

Compilation message

sortbooks.cpp: In function 'void upd(long long int, long long int, long long int, long long int, long long int)':
sortbooks.cpp:22:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   22 |   int mid = tl + tr >> 1;
      |             ~~~^~~~
sortbooks.cpp: In function 'long long int get(long long int, long long int, long long int, long long int, long long int)':
sortbooks.cpp:31:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   31 |   int mid = tl + tr >> 1;
      |             ~~~^~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 23900 KB Output is correct
2 Correct 10 ms 23900 KB Output is correct
3 Correct 11 ms 23952 KB Output is correct
4 Correct 11 ms 23896 KB Output is correct
5 Correct 12 ms 23900 KB Output is correct
6 Correct 13 ms 24248 KB Output is correct
7 Correct 12 ms 23900 KB Output is correct
8 Correct 12 ms 24048 KB Output is correct
9 Correct 12 ms 23900 KB Output is correct
10 Correct 12 ms 23900 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 23900 KB Output is correct
2 Correct 10 ms 23900 KB Output is correct
3 Correct 11 ms 23952 KB Output is correct
4 Correct 11 ms 23896 KB Output is correct
5 Correct 12 ms 23900 KB Output is correct
6 Correct 13 ms 24248 KB Output is correct
7 Correct 12 ms 23900 KB Output is correct
8 Correct 12 ms 24048 KB Output is correct
9 Correct 12 ms 23900 KB Output is correct
10 Correct 12 ms 23900 KB Output is correct
11 Correct 14 ms 24156 KB Output is correct
12 Correct 14 ms 24664 KB Output is correct
13 Correct 14 ms 24444 KB Output is correct
14 Correct 15 ms 24408 KB Output is correct
15 Correct 14 ms 24408 KB Output is correct
16 Correct 15 ms 24300 KB Output is correct
17 Correct 13 ms 24412 KB Output is correct
18 Correct 17 ms 24396 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1314 ms 140944 KB Output is correct
2 Correct 1371 ms 141828 KB Output is correct
3 Correct 1314 ms 141556 KB Output is correct
4 Correct 1348 ms 141700 KB Output is correct
5 Correct 1061 ms 125508 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 82 ms 34796 KB Output is correct
2 Correct 80 ms 34368 KB Output is correct
3 Correct 74 ms 32640 KB Output is correct
4 Correct 75 ms 32636 KB Output is correct
5 Correct 75 ms 32612 KB Output is correct
6 Correct 61 ms 31700 KB Output is correct
7 Correct 66 ms 31824 KB Output is correct
8 Correct 65 ms 32192 KB Output is correct
9 Correct 39 ms 29432 KB Output is correct
10 Correct 65 ms 32204 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 23900 KB Output is correct
2 Correct 10 ms 23900 KB Output is correct
3 Correct 11 ms 23952 KB Output is correct
4 Correct 11 ms 23896 KB Output is correct
5 Correct 12 ms 23900 KB Output is correct
6 Correct 13 ms 24248 KB Output is correct
7 Correct 12 ms 23900 KB Output is correct
8 Correct 12 ms 24048 KB Output is correct
9 Correct 12 ms 23900 KB Output is correct
10 Correct 12 ms 23900 KB Output is correct
11 Correct 14 ms 24156 KB Output is correct
12 Correct 14 ms 24664 KB Output is correct
13 Correct 14 ms 24444 KB Output is correct
14 Correct 15 ms 24408 KB Output is correct
15 Correct 14 ms 24408 KB Output is correct
16 Correct 15 ms 24300 KB Output is correct
17 Correct 13 ms 24412 KB Output is correct
18 Correct 17 ms 24396 KB Output is correct
19 Correct 219 ms 48484 KB Output is correct
20 Correct 184 ms 48208 KB Output is correct
21 Correct 159 ms 46940 KB Output is correct
22 Correct 164 ms 46976 KB Output is correct
23 Correct 158 ms 46932 KB Output is correct
24 Correct 140 ms 42492 KB Output is correct
25 Correct 134 ms 42832 KB Output is correct
26 Correct 146 ms 43140 KB Output is correct
27 Correct 148 ms 43152 KB Output is correct
28 Correct 170 ms 43344 KB Output is correct
29 Correct 156 ms 43988 KB Output is correct
30 Correct 165 ms 44116 KB Output is correct
31 Correct 167 ms 44116 KB Output is correct
32 Correct 156 ms 44176 KB Output is correct
33 Correct 167 ms 44068 KB Output is correct
34 Correct 131 ms 42272 KB Output is correct
35 Correct 122 ms 42156 KB Output is correct
36 Correct 130 ms 42068 KB Output is correct
37 Correct 123 ms 42096 KB Output is correct
38 Correct 122 ms 42068 KB Output is correct
39 Correct 164 ms 43596 KB Output is correct
40 Correct 111 ms 40140 KB Output is correct
41 Correct 138 ms 41836 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 23900 KB Output is correct
2 Correct 10 ms 23900 KB Output is correct
3 Correct 11 ms 23952 KB Output is correct
4 Correct 11 ms 23896 KB Output is correct
5 Correct 12 ms 23900 KB Output is correct
6 Correct 13 ms 24248 KB Output is correct
7 Correct 12 ms 23900 KB Output is correct
8 Correct 12 ms 24048 KB Output is correct
9 Correct 12 ms 23900 KB Output is correct
10 Correct 12 ms 23900 KB Output is correct
11 Correct 14 ms 24156 KB Output is correct
12 Correct 14 ms 24664 KB Output is correct
13 Correct 14 ms 24444 KB Output is correct
14 Correct 15 ms 24408 KB Output is correct
15 Correct 14 ms 24408 KB Output is correct
16 Correct 15 ms 24300 KB Output is correct
17 Correct 13 ms 24412 KB Output is correct
18 Correct 17 ms 24396 KB Output is correct
19 Correct 1314 ms 140944 KB Output is correct
20 Correct 1371 ms 141828 KB Output is correct
21 Correct 1314 ms 141556 KB Output is correct
22 Correct 1348 ms 141700 KB Output is correct
23 Correct 1061 ms 125508 KB Output is correct
24 Correct 82 ms 34796 KB Output is correct
25 Correct 80 ms 34368 KB Output is correct
26 Correct 74 ms 32640 KB Output is correct
27 Correct 75 ms 32636 KB Output is correct
28 Correct 75 ms 32612 KB Output is correct
29 Correct 61 ms 31700 KB Output is correct
30 Correct 66 ms 31824 KB Output is correct
31 Correct 65 ms 32192 KB Output is correct
32 Correct 39 ms 29432 KB Output is correct
33 Correct 65 ms 32204 KB Output is correct
34 Correct 219 ms 48484 KB Output is correct
35 Correct 184 ms 48208 KB Output is correct
36 Correct 159 ms 46940 KB Output is correct
37 Correct 164 ms 46976 KB Output is correct
38 Correct 158 ms 46932 KB Output is correct
39 Correct 140 ms 42492 KB Output is correct
40 Correct 134 ms 42832 KB Output is correct
41 Correct 146 ms 43140 KB Output is correct
42 Correct 148 ms 43152 KB Output is correct
43 Correct 170 ms 43344 KB Output is correct
44 Correct 156 ms 43988 KB Output is correct
45 Correct 165 ms 44116 KB Output is correct
46 Correct 167 ms 44116 KB Output is correct
47 Correct 156 ms 44176 KB Output is correct
48 Correct 167 ms 44068 KB Output is correct
49 Correct 131 ms 42272 KB Output is correct
50 Correct 122 ms 42156 KB Output is correct
51 Correct 130 ms 42068 KB Output is correct
52 Correct 123 ms 42096 KB Output is correct
53 Correct 122 ms 42068 KB Output is correct
54 Correct 164 ms 43596 KB Output is correct
55 Correct 111 ms 40140 KB Output is correct
56 Correct 138 ms 41836 KB Output is correct
57 Correct 1281 ms 141232 KB Output is correct
58 Correct 1285 ms 141444 KB Output is correct
59 Correct 1205 ms 138724 KB Output is correct
60 Correct 1223 ms 138808 KB Output is correct
61 Correct 1212 ms 138576 KB Output is correct
62 Correct 1215 ms 138808 KB Output is correct
63 Correct 745 ms 116804 KB Output is correct
64 Correct 744 ms 116004 KB Output is correct
65 Correct 950 ms 121960 KB Output is correct
66 Correct 950 ms 121964 KB Output is correct
67 Correct 970 ms 122128 KB Output is correct
68 Correct 1031 ms 125108 KB Output is correct
69 Correct 1045 ms 124764 KB Output is correct
70 Correct 1034 ms 124276 KB Output is correct
71 Correct 1016 ms 124488 KB Output is correct
72 Correct 1018 ms 124300 KB Output is correct
73 Correct 725 ms 113388 KB Output is correct
74 Correct 699 ms 114496 KB Output is correct
75 Correct 696 ms 113436 KB Output is correct
76 Correct 686 ms 113408 KB Output is correct
77 Correct 708 ms 113256 KB Output is correct
78 Correct 915 ms 122392 KB Output is correct
79 Correct 633 ms 102840 KB Output is correct
80 Correct 887 ms 114948 KB Output is correct