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Submission #689800

# Submission time Handle Problem Language Result Execution time Memory
689800 2023-01-29T11:43:05 Z nguyentunglam Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
100 / 100
 833 ms 94116 KB 
#include<bits/stdc++.h>
#define fi first
#define se second
#define endl "\n"
#define ii pair<int, int>
using namespace std;
const int N = 1e6 + 10;
int a[N], k[N], bit[N], ans[N];
int n, m;
vector<pair<int, int> > query[N];
void up(int pos, int val) {
    while (pos) {
        bit[pos] = max(bit[pos], val);
        pos -= pos & -pos;
    }
}
int get(int pos) {
    int ret = 0;
    while (pos <= n) {
        ret = max(ret, bit[pos]);
        pos += pos & -pos;
    }
    return ret;
}
int main() {
    #define task ""
    cin.tie(0) -> sync_with_stdio(0);
    if (fopen ("task.inp", "r")) {
        freopen ("task.inp", "r", stdin);
        freopen ("task.out", "w", stdout);
    }
    if (fopen (task".inp", "r")) {
        freopen (task".inp", "r", stdin);
        freopen (task".out", "w", stdout);
    }
    cin >> n >> m;
    for(int i = 1; i <= n; i++) cin >> a[i];
    for(int i = 1; i <= m; i++) {
        int l, r; cin >> l >> r >> k[i];
        query[r].push_back({l, i});
    }
    stack<int> st;
    for(int i = 1; i <= n; i++) {
        while (!st.empty() && a[st.top()] <= a[i]) st.pop();
        if (!st.empty()) up(st.top(), a[st.top()] + a[i]);
        st.push(i);
        for(auto [l, id] : query[i]) ans[id] = get(l);
    }
    for(int i = 1; i <= m; i++) cout << (ans[i] <= k[i]) << endl;
}

Compilation message

sortbooks.cpp: In function 'int main()':
sortbooks.cpp:29:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   29 |         freopen ("task.inp", "r", stdin);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
sortbooks.cpp:30:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   30 |         freopen ("task.out", "w", stdout);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
sortbooks.cpp:33:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   33 |         freopen (task".inp", "r", stdin);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
sortbooks.cpp:34:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   34 |         freopen (task".out", "w", stdout);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23764 KB Output is correct
2 Correct 12 ms 23764 KB Output is correct
3 Correct 12 ms 23852 KB Output is correct
4 Correct 13 ms 23828 KB Output is correct
5 Correct 11 ms 23764 KB Output is correct
6 Correct 14 ms 23776 KB Output is correct
7 Correct 14 ms 23828 KB Output is correct
8 Correct 12 ms 23820 KB Output is correct
9 Correct 12 ms 23820 KB Output is correct
10 Correct 12 ms 23872 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23764 KB Output is correct
2 Correct 12 ms 23764 KB Output is correct
3 Correct 12 ms 23852 KB Output is correct
4 Correct 13 ms 23828 KB Output is correct
5 Correct 11 ms 23764 KB Output is correct
6 Correct 14 ms 23776 KB Output is correct
7 Correct 14 ms 23828 KB Output is correct
8 Correct 12 ms 23820 KB Output is correct
9 Correct 12 ms 23820 KB Output is correct
10 Correct 12 ms 23872 KB Output is correct
11 Correct 13 ms 23948 KB Output is correct
12 Correct 14 ms 24012 KB Output is correct
13 Correct 13 ms 24020 KB Output is correct
14 Correct 16 ms 24148 KB Output is correct
15 Correct 14 ms 24060 KB Output is correct
16 Correct 14 ms 24024 KB Output is correct
17 Correct 14 ms 24004 KB Output is correct
18 Correct 14 ms 24020 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 783 ms 83480 KB Output is correct
2 Correct 833 ms 76700 KB Output is correct
3 Correct 826 ms 93888 KB Output is correct
4 Correct 806 ms 94116 KB Output is correct
5 Correct 799 ms 90264 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 59 ms 27892 KB Output is correct
2 Correct 58 ms 28588 KB Output is correct
3 Correct 60 ms 28896 KB Output is correct
4 Correct 61 ms 28972 KB Output is correct
5 Correct 57 ms 29004 KB Output is correct
6 Correct 51 ms 28164 KB Output is correct
7 Correct 52 ms 28116 KB Output is correct
8 Correct 59 ms 28536 KB Output is correct
9 Correct 41 ms 27136 KB Output is correct
10 Correct 63 ms 28572 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23764 KB Output is correct
2 Correct 12 ms 23764 KB Output is correct
3 Correct 12 ms 23852 KB Output is correct
4 Correct 13 ms 23828 KB Output is correct
5 Correct 11 ms 23764 KB Output is correct
6 Correct 14 ms 23776 KB Output is correct
7 Correct 14 ms 23828 KB Output is correct
8 Correct 12 ms 23820 KB Output is correct
9 Correct 12 ms 23820 KB Output is correct
10 Correct 12 ms 23872 KB Output is correct
11 Correct 13 ms 23948 KB Output is correct
12 Correct 14 ms 24012 KB Output is correct
13 Correct 13 ms 24020 KB Output is correct
14 Correct 16 ms 24148 KB Output is correct
15 Correct 14 ms 24060 KB Output is correct
16 Correct 14 ms 24024 KB Output is correct
17 Correct 14 ms 24004 KB Output is correct
18 Correct 14 ms 24020 KB Output is correct
19 Correct 139 ms 35120 KB Output is correct
20 Correct 150 ms 37688 KB Output is correct
21 Correct 129 ms 36420 KB Output is correct
22 Correct 127 ms 36404 KB Output is correct
23 Correct 119 ms 36312 KB Output is correct
24 Correct 113 ms 35300 KB Output is correct
25 Correct 110 ms 35384 KB Output is correct
26 Correct 144 ms 36052 KB Output is correct
27 Correct 129 ms 36084 KB Output is correct
28 Correct 121 ms 36232 KB Output is correct
29 Correct 141 ms 36840 KB Output is correct
30 Correct 132 ms 36912 KB Output is correct
31 Correct 136 ms 36840 KB Output is correct
32 Correct 139 ms 36796 KB Output is correct
33 Correct 127 ms 36800 KB Output is correct
34 Correct 122 ms 34992 KB Output is correct
35 Correct 106 ms 34976 KB Output is correct
36 Correct 110 ms 34824 KB Output is correct
37 Correct 102 ms 34844 KB Output is correct
38 Correct 112 ms 35012 KB Output is correct
39 Correct 122 ms 35496 KB Output is correct
40 Correct 109 ms 33748 KB Output is correct
41 Correct 115 ms 34700 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23764 KB Output is correct
2 Correct 12 ms 23764 KB Output is correct
3 Correct 12 ms 23852 KB Output is correct
4 Correct 13 ms 23828 KB Output is correct
5 Correct 11 ms 23764 KB Output is correct
6 Correct 14 ms 23776 KB Output is correct
7 Correct 14 ms 23828 KB Output is correct
8 Correct 12 ms 23820 KB Output is correct
9 Correct 12 ms 23820 KB Output is correct
10 Correct 12 ms 23872 KB Output is correct
11 Correct 13 ms 23948 KB Output is correct
12 Correct 14 ms 24012 KB Output is correct
13 Correct 13 ms 24020 KB Output is correct
14 Correct 16 ms 24148 KB Output is correct
15 Correct 14 ms 24060 KB Output is correct
16 Correct 14 ms 24024 KB Output is correct
17 Correct 14 ms 24004 KB Output is correct
18 Correct 14 ms 24020 KB Output is correct
19 Correct 783 ms 83480 KB Output is correct
20 Correct 833 ms 76700 KB Output is correct
21 Correct 826 ms 93888 KB Output is correct
22 Correct 806 ms 94116 KB Output is correct
23 Correct 799 ms 90264 KB Output is correct
24 Correct 59 ms 27892 KB Output is correct
25 Correct 58 ms 28588 KB Output is correct
26 Correct 60 ms 28896 KB Output is correct
27 Correct 61 ms 28972 KB Output is correct
28 Correct 57 ms 29004 KB Output is correct
29 Correct 51 ms 28164 KB Output is correct
30 Correct 52 ms 28116 KB Output is correct
31 Correct 59 ms 28536 KB Output is correct
32 Correct 41 ms 27136 KB Output is correct
33 Correct 63 ms 28572 KB Output is correct
34 Correct 139 ms 35120 KB Output is correct
35 Correct 150 ms 37688 KB Output is correct
36 Correct 129 ms 36420 KB Output is correct
37 Correct 127 ms 36404 KB Output is correct
38 Correct 119 ms 36312 KB Output is correct
39 Correct 113 ms 35300 KB Output is correct
40 Correct 110 ms 35384 KB Output is correct
41 Correct 144 ms 36052 KB Output is correct
42 Correct 129 ms 36084 KB Output is correct
43 Correct 121 ms 36232 KB Output is correct
44 Correct 141 ms 36840 KB Output is correct
45 Correct 132 ms 36912 KB Output is correct
46 Correct 136 ms 36840 KB Output is correct
47 Correct 139 ms 36796 KB Output is correct
48 Correct 127 ms 36800 KB Output is correct
49 Correct 122 ms 34992 KB Output is correct
50 Correct 106 ms 34976 KB Output is correct
51 Correct 110 ms 34824 KB Output is correct
52 Correct 102 ms 34844 KB Output is correct
53 Correct 112 ms 35012 KB Output is correct
54 Correct 122 ms 35496 KB Output is correct
55 Correct 109 ms 33748 KB Output is correct
56 Correct 115 ms 34700 KB Output is correct
57 Correct 798 ms 93796 KB Output is correct
58 Correct 827 ms 93820 KB Output is correct
59 Correct 745 ms 90952 KB Output is correct
60 Correct 752 ms 90884 KB Output is correct
61 Correct 772 ms 72392 KB Output is correct
62 Correct 797 ms 90836 KB Output is correct
63 Correct 506 ms 81564 KB Output is correct
64 Correct 508 ms 81576 KB Output is correct
65 Correct 705 ms 86696 KB Output is correct
66 Correct 714 ms 86740 KB Output is correct
67 Correct 716 ms 86824 KB Output is correct
68 Correct 763 ms 89704 KB Output is correct
69 Correct 746 ms 89688 KB Output is correct
70 Correct 745 ms 89264 KB Output is correct
71 Correct 787 ms 89364 KB Output is correct
72 Correct 792 ms 89404 KB Output is correct
73 Correct 472 ms 78556 KB Output is correct
74 Correct 493 ms 79264 KB Output is correct
75 Correct 468 ms 78408 KB Output is correct
76 Correct 472 ms 78444 KB Output is correct
77 Correct 476 ms 78348 KB Output is correct
78 Correct 670 ms 83116 KB Output is correct
79 Correct 531 ms 72804 KB Output is correct
80 Correct 654 ms 62288 KB Output is correct