oj.uz

Submission #1036713

# Submission time Handle Problem Language Result Execution time Memory
1036713 2024-07-27T15:52:49 Z BF001 Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
100 / 100
 711 ms 105380 KB 
#include<bits/stdc++.h>
using namespace std;
 
#define N 1000005

struct ii{
    int l, r, idx;
    bool operator < (ii& o){
        return l < o.l;
    }
};

struct fw{
    int n;
    vector<int> bit;
    fw(int siz){
        n = siz;
        bit.resize(n + 1, 0);
    }
    void ud(int pos, int val){
        while (pos <= n){
            bit[pos] = max(bit[pos], val);
            pos += (pos & (-pos));
        }
    }
    int get(int pos){
        int rt = 0;
        while (pos >= 1){
            rt = max(rt, bit[pos]);
            pos -= (pos & (-pos));
        }
        return rt;
    }
};

int n, m, a[N], res[N];
vector<ii> vd, qr[N]; 

signed main(){
    ios_base::sync_with_stdio(0);
    cin.tie(NULL);
 
    stack<int> st;
    cin >> n >> m;
    for (int i = 1; i <= n; i++){
        cin >> a[i];
        while (st.size() && a[st.top()] <= a[i]) st.pop();
        if (st.size()){
            vd.push_back({st.top(), i, 0});
        }
        st.push(i);
    }
 
    for (int i = 1; i <= m; i++){
        int l, r, k;
        cin >> l >> r >> k;
        qr[l].push_back({k, r, i});
    }

    sort(vd.begin(), vd.end());
    int j = (int) vd.size();
    fw s1(n);

    for (int i = n; i >= 1; i--){
        while (j - 1 >= 0 && vd[j - 1].l >= i){
            j--;
            s1.ud(vd[j].r, a[vd[j].l] + a[vd[j].r]);
        }
        for (auto x : qr[i]){
            res[x.idx] = (s1.get(x.r) <= x.l);
        }
    }

    for (int i = 1; i <= m; i++) cout << res[i] << "\n";

    return 0;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23896 KB Output is correct
2 Correct 10 ms 23900 KB Output is correct
3 Correct 13 ms 23752 KB Output is correct
4 Correct 9 ms 23932 KB Output is correct
5 Correct 10 ms 23900 KB Output is correct
6 Correct 10 ms 23900 KB Output is correct
7 Correct 10 ms 23900 KB Output is correct
8 Correct 10 ms 23900 KB Output is correct
9 Correct 10 ms 23904 KB Output is correct
10 Correct 9 ms 23900 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23896 KB Output is correct
2 Correct 10 ms 23900 KB Output is correct
3 Correct 13 ms 23752 KB Output is correct
4 Correct 9 ms 23932 KB Output is correct
5 Correct 10 ms 23900 KB Output is correct
6 Correct 10 ms 23900 KB Output is correct
7 Correct 10 ms 23900 KB Output is correct
8 Correct 10 ms 23900 KB Output is correct
9 Correct 10 ms 23904 KB Output is correct
10 Correct 9 ms 23900 KB Output is correct
11 Correct 13 ms 23900 KB Output is correct
12 Correct 15 ms 24228 KB Output is correct
13 Correct 12 ms 24152 KB Output is correct
14 Correct 13 ms 24156 KB Output is correct
15 Correct 14 ms 24156 KB Output is correct
16 Correct 11 ms 24156 KB Output is correct
17 Correct 11 ms 24188 KB Output is correct
18 Correct 11 ms 24156 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 659 ms 102964 KB Output is correct
2 Correct 627 ms 104012 KB Output is correct
3 Correct 600 ms 103852 KB Output is correct
4 Correct 672 ms 103984 KB Output is correct
5 Correct 530 ms 92104 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 50 ms 30636 KB Output is correct
2 Correct 52 ms 30452 KB Output is correct
3 Correct 45 ms 29268 KB Output is correct
4 Correct 47 ms 29268 KB Output is correct
5 Correct 44 ms 29520 KB Output is correct
6 Correct 35 ms 28952 KB Output is correct
7 Correct 34 ms 28956 KB Output is correct
8 Correct 48 ms 29896 KB Output is correct
9 Correct 28 ms 27148 KB Output is correct
10 Correct 42 ms 29648 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23896 KB Output is correct
2 Correct 10 ms 23900 KB Output is correct
3 Correct 13 ms 23752 KB Output is correct
4 Correct 9 ms 23932 KB Output is correct
5 Correct 10 ms 23900 KB Output is correct
6 Correct 10 ms 23900 KB Output is correct
7 Correct 10 ms 23900 KB Output is correct
8 Correct 10 ms 23900 KB Output is correct
9 Correct 10 ms 23904 KB Output is correct
10 Correct 9 ms 23900 KB Output is correct
11 Correct 13 ms 23900 KB Output is correct
12 Correct 15 ms 24228 KB Output is correct
13 Correct 12 ms 24152 KB Output is correct
14 Correct 13 ms 24156 KB Output is correct
15 Correct 14 ms 24156 KB Output is correct
16 Correct 11 ms 24156 KB Output is correct
17 Correct 11 ms 24188 KB Output is correct
18 Correct 11 ms 24156 KB Output is correct
19 Correct 113 ms 40128 KB Output is correct
20 Correct 115 ms 40000 KB Output is correct
21 Correct 96 ms 39356 KB Output is correct
22 Correct 119 ms 39400 KB Output is correct
23 Correct 99 ms 39268 KB Output is correct
24 Correct 81 ms 36944 KB Output is correct
25 Correct 80 ms 36944 KB Output is correct
26 Correct 90 ms 37088 KB Output is correct
27 Correct 89 ms 37244 KB Output is correct
28 Correct 86 ms 37204 KB Output is correct
29 Correct 92 ms 37716 KB Output is correct
30 Correct 102 ms 37712 KB Output is correct
31 Correct 94 ms 37712 KB Output is correct
32 Correct 102 ms 37712 KB Output is correct
33 Correct 100 ms 37680 KB Output is correct
34 Correct 71 ms 36076 KB Output is correct
35 Correct 77 ms 36180 KB Output is correct
36 Correct 77 ms 35968 KB Output is correct
37 Correct 71 ms 36084 KB Output is correct
38 Correct 84 ms 36184 KB Output is correct
39 Correct 94 ms 36292 KB Output is correct
40 Correct 87 ms 34300 KB Output is correct
41 Correct 84 ms 37068 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 23896 KB Output is correct
2 Correct 10 ms 23900 KB Output is correct
3 Correct 13 ms 23752 KB Output is correct
4 Correct 9 ms 23932 KB Output is correct
5 Correct 10 ms 23900 KB Output is correct
6 Correct 10 ms 23900 KB Output is correct
7 Correct 10 ms 23900 KB Output is correct
8 Correct 10 ms 23900 KB Output is correct
9 Correct 10 ms 23904 KB Output is correct
10 Correct 9 ms 23900 KB Output is correct
11 Correct 13 ms 23900 KB Output is correct
12 Correct 15 ms 24228 KB Output is correct
13 Correct 12 ms 24152 KB Output is correct
14 Correct 13 ms 24156 KB Output is correct
15 Correct 14 ms 24156 KB Output is correct
16 Correct 11 ms 24156 KB Output is correct
17 Correct 11 ms 24188 KB Output is correct
18 Correct 11 ms 24156 KB Output is correct
19 Correct 659 ms 102964 KB Output is correct
20 Correct 627 ms 104012 KB Output is correct
21 Correct 600 ms 103852 KB Output is correct
22 Correct 672 ms 103984 KB Output is correct
23 Correct 530 ms 92104 KB Output is correct
24 Correct 50 ms 30636 KB Output is correct
25 Correct 52 ms 30452 KB Output is correct
26 Correct 45 ms 29268 KB Output is correct
27 Correct 47 ms 29268 KB Output is correct
28 Correct 44 ms 29520 KB Output is correct
29 Correct 35 ms 28952 KB Output is correct
30 Correct 34 ms 28956 KB Output is correct
31 Correct 48 ms 29896 KB Output is correct
32 Correct 28 ms 27148 KB Output is correct
33 Correct 42 ms 29648 KB Output is correct
34 Correct 113 ms 40128 KB Output is correct
35 Correct 115 ms 40000 KB Output is correct
36 Correct 96 ms 39356 KB Output is correct
37 Correct 119 ms 39400 KB Output is correct
38 Correct 99 ms 39268 KB Output is correct
39 Correct 81 ms 36944 KB Output is correct
40 Correct 80 ms 36944 KB Output is correct
41 Correct 90 ms 37088 KB Output is correct
42 Correct 89 ms 37244 KB Output is correct
43 Correct 86 ms 37204 KB Output is correct
44 Correct 92 ms 37716 KB Output is correct
45 Correct 102 ms 37712 KB Output is correct
46 Correct 94 ms 37712 KB Output is correct
47 Correct 102 ms 37712 KB Output is correct
48 Correct 100 ms 37680 KB Output is correct
49 Correct 71 ms 36076 KB Output is correct
50 Correct 77 ms 36180 KB Output is correct
51 Correct 77 ms 35968 KB Output is correct
52 Correct 71 ms 36084 KB Output is correct
53 Correct 84 ms 36184 KB Output is correct
54 Correct 94 ms 36292 KB Output is correct
55 Correct 87 ms 34300 KB Output is correct
56 Correct 84 ms 37068 KB Output is correct
57 Correct 679 ms 105380 KB Output is correct
58 Correct 685 ms 105124 KB Output is correct
59 Correct 630 ms 103104 KB Output is correct
60 Correct 706 ms 102524 KB Output is correct
61 Correct 697 ms 100404 KB Output is correct
62 Correct 711 ms 94120 KB Output is correct
63 Correct 351 ms 85908 KB Output is correct
64 Correct 392 ms 85784 KB Output is correct
65 Correct 581 ms 91480 KB Output is correct
66 Correct 585 ms 91404 KB Output is correct
67 Correct 579 ms 91532 KB Output is correct
68 Correct 665 ms 93528 KB Output is correct
69 Correct 616 ms 93576 KB Output is correct
70 Correct 635 ms 93284 KB Output is correct
71 Correct 619 ms 93184 KB Output is correct
72 Correct 655 ms 93000 KB Output is correct
73 Correct 323 ms 83472 KB Output is correct
74 Correct 331 ms 84212 KB Output is correct
75 Correct 311 ms 83284 KB Output is correct
76 Correct 348 ms 83436 KB Output is correct
77 Correct 337 ms 83548 KB Output is correct
78 Correct 544 ms 87384 KB Output is correct
79 Correct 406 ms 74456 KB Output is correct
80 Correct 540 ms 89136 KB Output is correct