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Submission #1073854

# Submission time Handle Problem Language Result Execution time Memory
1073854 2024-08-25T00:03:50 Z vjudge1 Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
100 / 100
 1138 ms 101716 KB 
#include <bits/stdc++.h>
//#define int long long
using namespace std;

const int N = 1e6 + 7;
int a[N], mx[N], ans[N];
struct node {
    int l, k, in;    
};
vector<node> qu[N];
int tr[4 * N];
void upd(int i, int x, int v, int lx, int rx) {
    if(lx == rx) {
        tr[v] = max(tr[v], x);
        if(x == 0)tr[v] = 0;
        return;
    }
    int m = (lx + rx) >> 1;
    if(i <= m)upd(i, x, v + v, lx, m);
    else upd(i, x, v + v + 1, m + 1, rx);
    tr[v] = max(tr[v + v], tr[v + v + 1]);
}
int get(int l, int r, int v, int lx, int rx) {
    if(lx > r || l > rx)return 0;
    if(lx >= l && r >= rx)return tr[v];
    int m = (lx + rx) >> 1;
    return max(get(l, r, v + v, lx, m), get(l, r, v + v + 1, m + 1, rx));
}
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];
        upd(i, a[i], 1, 1, n);
    }
    stack<int> s;
    for(int i = 1; i <= n; i++) {
        while(!s.empty() && a[s.top()] <= a[i])s.pop();
        if(s.empty())mx[i] = 0;
        else mx[i] = s.top();
        s.push(i);
    }
    for(int i = 1; i <= n; i++)upd(i, 0, 1, 1, n);
    for(int i = 1; i <= m; i++) {
        int l, r, k;
        cin>>l>>r>>k;
        qu[r].push_back({l, k, i});
    }
    //хахахахаха, буквально второй парой каждой позиции, при том что мы хотим увеличить стоимость, это просто ближайший больший слева. Ведь если есть другой больше слева, который мы можем взять, его можно взять в пару вместе с нашим максом и его)
    for(int i = 1; i <= n; i++) {
        if(mx[i])upd(mx[i], a[i] + a[mx[i]], 1, 1, n);
        for(int j = 0; j < qu[i].size(); j++) {
            int l = qu[i][j].l, r = i, k = qu[i][j].k, index = qu[i][j].in;
            int mxx = get(l, r, 1, 1, n);
            if(mxx > k)ans[index] = 0;
            else ans[index] = 1;
        }
    }
    for(int i = 1; i <= m; i++)cout << ans[i] << '\n';
}

Compilation message

sortbooks.cpp: In function 'int main()':
sortbooks.cpp:54:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<node>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |         for(int j = 0; j < qu[i].size(); j++) {
      |                        ~~^~~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 29016 KB Output is correct
2 Correct 4 ms 29020 KB Output is correct
3 Correct 4 ms 29020 KB Output is correct
4 Correct 5 ms 29020 KB Output is correct
5 Correct 5 ms 29020 KB Output is correct
6 Correct 6 ms 29020 KB Output is correct
7 Correct 5 ms 29016 KB Output is correct
8 Correct 4 ms 29020 KB Output is correct
9 Correct 4 ms 29132 KB Output is correct
10 Correct 5 ms 29020 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 29016 KB Output is correct
2 Correct 4 ms 29020 KB Output is correct
3 Correct 4 ms 29020 KB Output is correct
4 Correct 5 ms 29020 KB Output is correct
5 Correct 5 ms 29020 KB Output is correct
6 Correct 6 ms 29020 KB Output is correct
7 Correct 5 ms 29016 KB Output is correct
8 Correct 4 ms 29020 KB Output is correct
9 Correct 4 ms 29132 KB Output is correct
10 Correct 5 ms 29020 KB Output is correct
11 Correct 5 ms 29276 KB Output is correct
12 Correct 6 ms 29276 KB Output is correct
13 Correct 7 ms 29272 KB Output is correct
14 Correct 8 ms 29276 KB Output is correct
15 Correct 12 ms 29272 KB Output is correct
16 Correct 10 ms 29528 KB Output is correct
17 Correct 6 ms 29276 KB Output is correct
18 Correct 6 ms 29276 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1138 ms 90332 KB Output is correct
2 Correct 1020 ms 101456 KB Output is correct
3 Correct 1060 ms 101312 KB Output is correct
4 Correct 1092 ms 101476 KB Output is correct
5 Correct 950 ms 101456 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 36432 KB Output is correct
2 Correct 74 ms 36384 KB Output is correct
3 Correct 69 ms 37716 KB Output is correct
4 Correct 74 ms 37712 KB Output is correct
5 Correct 69 ms 37716 KB Output is correct
6 Correct 62 ms 37200 KB Output is correct
7 Correct 60 ms 37204 KB Output is correct
8 Correct 69 ms 36364 KB Output is correct
9 Correct 26 ms 32784 KB Output is correct
10 Correct 74 ms 36364 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 29016 KB Output is correct
2 Correct 4 ms 29020 KB Output is correct
3 Correct 4 ms 29020 KB Output is correct
4 Correct 5 ms 29020 KB Output is correct
5 Correct 5 ms 29020 KB Output is correct
6 Correct 6 ms 29020 KB Output is correct
7 Correct 5 ms 29016 KB Output is correct
8 Correct 4 ms 29020 KB Output is correct
9 Correct 4 ms 29132 KB Output is correct
10 Correct 5 ms 29020 KB Output is correct
11 Correct 5 ms 29276 KB Output is correct
12 Correct 6 ms 29276 KB Output is correct
13 Correct 7 ms 29272 KB Output is correct
14 Correct 8 ms 29276 KB Output is correct
15 Correct 12 ms 29272 KB Output is correct
16 Correct 10 ms 29528 KB Output is correct
17 Correct 6 ms 29276 KB Output is correct
18 Correct 6 ms 29276 KB Output is correct
19 Correct 173 ms 41812 KB Output is correct
20 Correct 184 ms 41988 KB Output is correct
21 Correct 168 ms 41476 KB Output is correct
22 Correct 158 ms 41296 KB Output is correct
23 Correct 170 ms 41424 KB Output is correct
24 Correct 142 ms 41296 KB Output is correct
25 Correct 141 ms 41296 KB Output is correct
26 Correct 145 ms 41552 KB Output is correct
27 Correct 148 ms 41556 KB Output is correct
28 Correct 147 ms 41552 KB Output is correct
29 Correct 155 ms 41888 KB Output is correct
30 Correct 157 ms 41812 KB Output is correct
31 Correct 166 ms 42068 KB Output is correct
32 Correct 153 ms 41812 KB Output is correct
33 Correct 161 ms 41892 KB Output is correct
34 Correct 133 ms 40936 KB Output is correct
35 Correct 133 ms 40960 KB Output is correct
36 Correct 131 ms 41044 KB Output is correct
37 Correct 127 ms 41040 KB Output is correct
38 Correct 135 ms 41044 KB Output is correct
39 Correct 152 ms 41672 KB Output is correct
40 Correct 105 ms 40212 KB Output is correct
41 Correct 139 ms 41476 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 29016 KB Output is correct
2 Correct 4 ms 29020 KB Output is correct
3 Correct 4 ms 29020 KB Output is correct
4 Correct 5 ms 29020 KB Output is correct
5 Correct 5 ms 29020 KB Output is correct
6 Correct 6 ms 29020 KB Output is correct
7 Correct 5 ms 29016 KB Output is correct
8 Correct 4 ms 29020 KB Output is correct
9 Correct 4 ms 29132 KB Output is correct
10 Correct 5 ms 29020 KB Output is correct
11 Correct 5 ms 29276 KB Output is correct
12 Correct 6 ms 29276 KB Output is correct
13 Correct 7 ms 29272 KB Output is correct
14 Correct 8 ms 29276 KB Output is correct
15 Correct 12 ms 29272 KB Output is correct
16 Correct 10 ms 29528 KB Output is correct
17 Correct 6 ms 29276 KB Output is correct
18 Correct 6 ms 29276 KB Output is correct
19 Correct 1138 ms 90332 KB Output is correct
20 Correct 1020 ms 101456 KB Output is correct
21 Correct 1060 ms 101312 KB Output is correct
22 Correct 1092 ms 101476 KB Output is correct
23 Correct 950 ms 101456 KB Output is correct
24 Correct 77 ms 36432 KB Output is correct
25 Correct 74 ms 36384 KB Output is correct
26 Correct 69 ms 37716 KB Output is correct
27 Correct 74 ms 37712 KB Output is correct
28 Correct 69 ms 37716 KB Output is correct
29 Correct 62 ms 37200 KB Output is correct
30 Correct 60 ms 37204 KB Output is correct
31 Correct 69 ms 36364 KB Output is correct
32 Correct 26 ms 32784 KB Output is correct
33 Correct 74 ms 36364 KB Output is correct
34 Correct 173 ms 41812 KB Output is correct
35 Correct 184 ms 41988 KB Output is correct
36 Correct 168 ms 41476 KB Output is correct
37 Correct 158 ms 41296 KB Output is correct
38 Correct 170 ms 41424 KB Output is correct
39 Correct 142 ms 41296 KB Output is correct
40 Correct 141 ms 41296 KB Output is correct
41 Correct 145 ms 41552 KB Output is correct
42 Correct 148 ms 41556 KB Output is correct
43 Correct 147 ms 41552 KB Output is correct
44 Correct 155 ms 41888 KB Output is correct
45 Correct 157 ms 41812 KB Output is correct
46 Correct 166 ms 42068 KB Output is correct
47 Correct 153 ms 41812 KB Output is correct
48 Correct 161 ms 41892 KB Output is correct
49 Correct 133 ms 40936 KB Output is correct
50 Correct 133 ms 40960 KB Output is correct
51 Correct 131 ms 41044 KB Output is correct
52 Correct 127 ms 41040 KB Output is correct
53 Correct 135 ms 41044 KB Output is correct
54 Correct 152 ms 41672 KB Output is correct
55 Correct 105 ms 40212 KB Output is correct
56 Correct 139 ms 41476 KB Output is correct
57 Correct 1069 ms 101716 KB Output is correct
58 Correct 986 ms 101580 KB Output is correct
59 Correct 983 ms 100148 KB Output is correct
60 Correct 983 ms 100180 KB Output is correct
61 Correct 932 ms 100180 KB Output is correct
62 Correct 972 ms 100236 KB Output is correct
63 Correct 748 ms 96852 KB Output is correct
64 Correct 731 ms 96852 KB Output is correct
65 Correct 883 ms 99900 KB Output is correct
66 Correct 858 ms 99876 KB Output is correct
67 Correct 849 ms 100048 KB Output is correct
68 Correct 941 ms 101600 KB Output is correct
69 Correct 935 ms 101716 KB Output is correct
70 Correct 910 ms 101460 KB Output is correct
71 Correct 932 ms 101460 KB Output is correct
72 Correct 943 ms 101344 KB Output is correct
73 Correct 743 ms 92712 KB Output is correct
74 Correct 675 ms 93780 KB Output is correct
75 Correct 733 ms 92752 KB Output is correct
76 Correct 672 ms 93008 KB Output is correct
77 Correct 695 ms 92760 KB Output is correct
78 Correct 919 ms 93920 KB Output is correct
79 Correct 592 ms 81144 KB Output is correct
80 Correct 806 ms 91368 KB Output is correct