oj.uz

Submission #532524

# Submission time Handle Problem Language Result Execution time Memory
532524 2022-03-03T04:50:28 Z syl123456 Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
100 / 100
 942 ms 90944 KB 
#include <bits/stdc++.h>
#define all(i) (i).begin(), (i).end()
using namespace std;
void Debug(bool _split) {}
template<typename T1, typename ...T2>
void Debug(bool _split, T1 i, T2 ...j) {
    if (_split)
        cerr << ", ";
    cerr << i;
    Debug(true, j...);
}
#define debug(args...) cerr << "Line(" << __LINE__ << ") : [" << #args << "] is [", Debug(false, args), cerr << "]" << endl
template<typename T1, typename T2>
ostream& operator << (ostream& i, pair<T1, T2> j) {
    return i << '(' << j.first << ", " << j.second << ')';
}
 
typedef long long ll;
typedef pair<int, int> pi;
const int inf = 0x3f3f3f3f, lg = 20;
const ll mod = 1e9 + 7, INF = 0x3f3f3f3f3f3f3f3f;
 
signed main() {
    ios::sync_with_stdio(0), cin.tie(0);
    int n, m;
    cin >> n >> m;
    int a[n];
    for (int &i : a)
        cin >> i;
    vector<int> qry[n];
    int l[m], k[m], ans[m];
    for (int i = 0, x; i < m; ++i)
        cin >> l[i] >> x >> k[i], --l[i], qry[--x].push_back(i);
    vector<int> stk;
    int bit[n + 1]{};
    auto modify = [&](int i, int d) {
        i = n - 1 - i;
        for (++i; i <= n; i += i & -i)
            bit[i] = max(bit[i], d);
    };
    auto query = [&](int i) {
        i = n - 1 - i;
        int res = 0;
        for (++i; i; i -= i & -i)
            res = max(res, bit[i]);
        return res;
    };
    for (int i = 0; i < n; ++i) {
        while (!stk.empty() && a[stk.back()] <= a[i]) {
            if (stk.size() > 1) {
                int x = stk[stk.size() - 2], y = stk.back();
                modify(x, a[x] + a[y]);
            }
            stk.pop_back();
        }
        stk.push_back(i);
        for (int j : qry[i]) {
            int x = lower_bound(all(stk), l[j]) - stk.begin();
            int tmp = x >= stk.size() - 1 ? 0 : a[stk[x]] + a[stk[x + 1]];
            tmp = max(tmp, query(l[j]));
            if (tmp <= k[j])
                ans[j] = 1;
            else
                ans[j] = 0;
        }
    }
    for (int i : ans)
        cout << i << '\n';
}

Compilation message

sortbooks.cpp: In function 'int main()':
sortbooks.cpp:59:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   59 |             int tmp = x >= stk.size() - 1 ? 0 : a[stk[x]] + a[stk[x + 1]];
      |                       ~~^~~~~~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 320 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 320 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 2 ms 460 KB Output is correct
12 Correct 2 ms 548 KB Output is correct
13 Correct 2 ms 584 KB Output is correct
14 Correct 3 ms 724 KB Output is correct
15 Correct 4 ms 704 KB Output is correct
16 Correct 3 ms 716 KB Output is correct
17 Correct 3 ms 680 KB Output is correct
18 Correct 2 ms 584 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 882 ms 63608 KB Output is correct
2 Correct 924 ms 90944 KB Output is correct
3 Correct 942 ms 89144 KB Output is correct
4 Correct 903 ms 81328 KB Output is correct
5 Correct 862 ms 88428 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 59 ms 6848 KB Output is correct
2 Correct 51 ms 7544 KB Output is correct
3 Correct 47 ms 8128 KB Output is correct
4 Correct 48 ms 8288 KB Output is correct
5 Correct 50 ms 8380 KB Output is correct
6 Correct 40 ms 7172 KB Output is correct
7 Correct 45 ms 7172 KB Output is correct
8 Correct 52 ms 7872 KB Output is correct
9 Correct 30 ms 3420 KB Output is correct
10 Correct 49 ms 7856 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 320 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 2 ms 460 KB Output is correct
12 Correct 2 ms 548 KB Output is correct
13 Correct 2 ms 584 KB Output is correct
14 Correct 3 ms 724 KB Output is correct
15 Correct 4 ms 704 KB Output is correct
16 Correct 3 ms 716 KB Output is correct
17 Correct 3 ms 680 KB Output is correct
18 Correct 2 ms 584 KB Output is correct
19 Correct 139 ms 19140 KB Output is correct
20 Correct 148 ms 19100 KB Output is correct
21 Correct 122 ms 17192 KB Output is correct
22 Correct 115 ms 17184 KB Output is correct
23 Correct 143 ms 17312 KB Output is correct
24 Correct 111 ms 16876 KB Output is correct
25 Correct 109 ms 16964 KB Output is correct
26 Correct 117 ms 17860 KB Output is correct
27 Correct 119 ms 17964 KB Output is correct
28 Correct 123 ms 18116 KB Output is correct
29 Correct 136 ms 19104 KB Output is correct
30 Correct 146 ms 19080 KB Output is correct
31 Correct 127 ms 18988 KB Output is correct
32 Correct 144 ms 19076 KB Output is correct
33 Correct 141 ms 18964 KB Output is correct
34 Correct 101 ms 16560 KB Output is correct
35 Correct 104 ms 16596 KB Output is correct
36 Correct 97 ms 16412 KB Output is correct
37 Correct 95 ms 16352 KB Output is correct
38 Correct 102 ms 16580 KB Output is correct
39 Correct 115 ms 17328 KB Output is correct
40 Correct 101 ms 14140 KB Output is correct
41 Correct 114 ms 17016 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 320 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 2 ms 460 KB Output is correct
12 Correct 2 ms 548 KB Output is correct
13 Correct 2 ms 584 KB Output is correct
14 Correct 3 ms 724 KB Output is correct
15 Correct 4 ms 704 KB Output is correct
16 Correct 3 ms 716 KB Output is correct
17 Correct 3 ms 680 KB Output is correct
18 Correct 2 ms 584 KB Output is correct
19 Correct 882 ms 63608 KB Output is correct
20 Correct 924 ms 90944 KB Output is correct
21 Correct 942 ms 89144 KB Output is correct
22 Correct 903 ms 81328 KB Output is correct
23 Correct 862 ms 88428 KB Output is correct
24 Correct 59 ms 6848 KB Output is correct
25 Correct 51 ms 7544 KB Output is correct
26 Correct 47 ms 8128 KB Output is correct
27 Correct 48 ms 8288 KB Output is correct
28 Correct 50 ms 8380 KB Output is correct
29 Correct 40 ms 7172 KB Output is correct
30 Correct 45 ms 7172 KB Output is correct
31 Correct 52 ms 7872 KB Output is correct
32 Correct 30 ms 3420 KB Output is correct
33 Correct 49 ms 7856 KB Output is correct
34 Correct 139 ms 19140 KB Output is correct
35 Correct 148 ms 19100 KB Output is correct
36 Correct 122 ms 17192 KB Output is correct
37 Correct 115 ms 17184 KB Output is correct
38 Correct 143 ms 17312 KB Output is correct
39 Correct 111 ms 16876 KB Output is correct
40 Correct 109 ms 16964 KB Output is correct
41 Correct 117 ms 17860 KB Output is correct
42 Correct 119 ms 17964 KB Output is correct
43 Correct 123 ms 18116 KB Output is correct
44 Correct 136 ms 19104 KB Output is correct
45 Correct 146 ms 19080 KB Output is correct
46 Correct 127 ms 18988 KB Output is correct
47 Correct 144 ms 19076 KB Output is correct
48 Correct 141 ms 18964 KB Output is correct
49 Correct 101 ms 16560 KB Output is correct
50 Correct 104 ms 16596 KB Output is correct
51 Correct 97 ms 16412 KB Output is correct
52 Correct 95 ms 16352 KB Output is correct
53 Correct 102 ms 16580 KB Output is correct
54 Correct 115 ms 17328 KB Output is correct
55 Correct 101 ms 14140 KB Output is correct
56 Correct 114 ms 17016 KB Output is correct
57 Correct 894 ms 65976 KB Output is correct
58 Correct 924 ms 66000 KB Output is correct
59 Correct 814 ms 62900 KB Output is correct
60 Correct 820 ms 61956 KB Output is correct
61 Correct 801 ms 63000 KB Output is correct
62 Correct 815 ms 62744 KB Output is correct
63 Correct 566 ms 56764 KB Output is correct
64 Correct 582 ms 56728 KB Output is correct
65 Correct 750 ms 62444 KB Output is correct
66 Correct 764 ms 62480 KB Output is correct
67 Correct 815 ms 62536 KB Output is correct
68 Correct 836 ms 66980 KB Output is correct
69 Correct 832 ms 66928 KB Output is correct
70 Correct 826 ms 66336 KB Output is correct
71 Correct 818 ms 65844 KB Output is correct
72 Correct 835 ms 64620 KB Output is correct
73 Correct 501 ms 54464 KB Output is correct
74 Correct 546 ms 54388 KB Output is correct
75 Correct 513 ms 54128 KB Output is correct
76 Correct 523 ms 54104 KB Output is correct
77 Correct 510 ms 53612 KB Output is correct
78 Correct 718 ms 61872 KB Output is correct
79 Correct 544 ms 44148 KB Output is correct
80 Correct 708 ms 61868 KB Output is correct