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Submission #598976

# Submission time Handle Problem Language Result Execution time Memory
598976 2022-07-19T08:34:54 Z Jomnoi Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
100 / 100
 1400 ms 93732 KB 
#include <bits/stdc++.h>
using namespace std;

const int MAX_N = 1e6 + 5;
const int MAX_M = 1e6 + 5;
const int INF = 1e9 + 7;

int w[MAX_N];
bool ans[MAX_M];
vector <tuple <int, int, int>> queries[MAX_N];
int tree[4 * MAX_N];

void update(int idx, int l, int r, int q, int v) {
    if(l == r) {
        tree[idx] = v;
        return;
    }

    int mid = (l + r) / 2;
    if(q <= mid) {
        update(idx * 2, l, mid, q, v);
    }
    else {
        update(idx * 2 + 1, mid + 1, r, q, v);
    }
    tree[idx] = max(tree[idx * 2], tree[idx * 2 + 1]);
}

int query(int idx, int l, int r, int ql, int qr) {
    if(r < ql or qr < l) {
        return 0;
    }
    if(ql <= l and r <= qr) {
        return tree[idx];
    }

    int mid = (l + r) / 2;
    return max(query(idx * 2, l, mid, ql, qr), query(idx * 2 + 1, mid + 1, r, ql, qr));
}

int main() {
    cin.tie(nullptr)->sync_with_stdio(false);

    int N, M;
    cin >> N >> M;

    for(int i = 1; i <= N; i++) {
        cin >> w[i];
    }

    for(int i = 1; i <= M; i++) {
        int l, r, k;
        cin >> l >> r >> k;

        queries[r].emplace_back(l, i, k);
    }

    stack <int> stk;
    for(int i = 1; i <= N; i++) {
        while(!stk.empty() and w[stk.top()] <= w[i]) {
            stk.pop();
        }

        if(!stk.empty()) {
            update(1, 1, N, stk.top(), w[stk.top()] + w[i]);
        }
        stk.push(i);

        for(auto [l, id, k] : queries[i]) {
            ans[id] = (query(1, 1, N, l, i) <= k);
        }
    }

    for(int i = 1; i <= M; i++) {
        cout << ans[i] << '\n';
    }
    return 0;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 23764 KB Output is correct
2 Correct 12 ms 23828 KB Output is correct
3 Correct 15 ms 23748 KB Output is correct
4 Correct 13 ms 23764 KB Output is correct
5 Correct 13 ms 23764 KB Output is correct
6 Correct 13 ms 23852 KB Output is correct
7 Correct 13 ms 23852 KB Output is correct
8 Correct 13 ms 23804 KB Output is correct
9 Correct 13 ms 23764 KB Output is correct
10 Correct 12 ms 23764 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 23764 KB Output is correct
2 Correct 12 ms 23828 KB Output is correct
3 Correct 15 ms 23748 KB Output is correct
4 Correct 13 ms 23764 KB Output is correct
5 Correct 13 ms 23764 KB Output is correct
6 Correct 13 ms 23852 KB Output is correct
7 Correct 13 ms 23852 KB Output is correct
8 Correct 13 ms 23804 KB Output is correct
9 Correct 13 ms 23764 KB Output is correct
10 Correct 12 ms 23764 KB Output is correct
11 Correct 15 ms 23900 KB Output is correct
12 Correct 19 ms 23892 KB Output is correct
13 Correct 19 ms 23984 KB Output is correct
14 Correct 19 ms 24044 KB Output is correct
15 Correct 20 ms 23964 KB Output is correct
16 Correct 16 ms 23892 KB Output is correct
17 Correct 15 ms 23892 KB Output is correct
18 Correct 15 ms 24000 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1314 ms 60624 KB Output is correct
2 Correct 1223 ms 60652 KB Output is correct
3 Correct 1272 ms 60652 KB Output is correct
4 Correct 1400 ms 60800 KB Output is correct
5 Correct 1247 ms 52428 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 93 ms 27596 KB Output is correct
2 Correct 116 ms 29356 KB Output is correct
3 Correct 126 ms 28436 KB Output is correct
4 Correct 103 ms 28504 KB Output is correct
5 Correct 90 ms 28540 KB Output is correct
6 Correct 74 ms 28040 KB Output is correct
7 Correct 72 ms 28012 KB Output is correct
8 Correct 84 ms 28108 KB Output is correct
9 Correct 56 ms 26920 KB Output is correct
10 Correct 97 ms 28168 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 23764 KB Output is correct
2 Correct 12 ms 23828 KB Output is correct
3 Correct 15 ms 23748 KB Output is correct
4 Correct 13 ms 23764 KB Output is correct
5 Correct 13 ms 23764 KB Output is correct
6 Correct 13 ms 23852 KB Output is correct
7 Correct 13 ms 23852 KB Output is correct
8 Correct 13 ms 23804 KB Output is correct
9 Correct 13 ms 23764 KB Output is correct
10 Correct 12 ms 23764 KB Output is correct
11 Correct 15 ms 23900 KB Output is correct
12 Correct 19 ms 23892 KB Output is correct
13 Correct 19 ms 23984 KB Output is correct
14 Correct 19 ms 24044 KB Output is correct
15 Correct 20 ms 23964 KB Output is correct
16 Correct 16 ms 23892 KB Output is correct
17 Correct 15 ms 23892 KB Output is correct
18 Correct 15 ms 24000 KB Output is correct
19 Correct 242 ms 32464 KB Output is correct
20 Correct 240 ms 38028 KB Output is correct
21 Correct 198 ms 37400 KB Output is correct
22 Correct 215 ms 37396 KB Output is correct
23 Correct 234 ms 37388 KB Output is correct
24 Correct 167 ms 35192 KB Output is correct
25 Correct 183 ms 35140 KB Output is correct
26 Correct 208 ms 35536 KB Output is correct
27 Correct 238 ms 35496 KB Output is correct
28 Correct 240 ms 35640 KB Output is correct
29 Correct 215 ms 35960 KB Output is correct
30 Correct 202 ms 36024 KB Output is correct
31 Correct 224 ms 35988 KB Output is correct
32 Correct 193 ms 36012 KB Output is correct
33 Correct 208 ms 35968 KB Output is correct
34 Correct 148 ms 34808 KB Output is correct
35 Correct 146 ms 34740 KB Output is correct
36 Correct 145 ms 34576 KB Output is correct
37 Correct 163 ms 34588 KB Output is correct
38 Correct 157 ms 34700 KB Output is correct
39 Correct 165 ms 34892 KB Output is correct
40 Correct 150 ms 32976 KB Output is correct
41 Correct 179 ms 33872 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 23764 KB Output is correct
2 Correct 12 ms 23828 KB Output is correct
3 Correct 15 ms 23748 KB Output is correct
4 Correct 13 ms 23764 KB Output is correct
5 Correct 13 ms 23764 KB Output is correct
6 Correct 13 ms 23852 KB Output is correct
7 Correct 13 ms 23852 KB Output is correct
8 Correct 13 ms 23804 KB Output is correct
9 Correct 13 ms 23764 KB Output is correct
10 Correct 12 ms 23764 KB Output is correct
11 Correct 15 ms 23900 KB Output is correct
12 Correct 19 ms 23892 KB Output is correct
13 Correct 19 ms 23984 KB Output is correct
14 Correct 19 ms 24044 KB Output is correct
15 Correct 20 ms 23964 KB Output is correct
16 Correct 16 ms 23892 KB Output is correct
17 Correct 15 ms 23892 KB Output is correct
18 Correct 15 ms 24000 KB Output is correct
19 Correct 1314 ms 60624 KB Output is correct
20 Correct 1223 ms 60652 KB Output is correct
21 Correct 1272 ms 60652 KB Output is correct
22 Correct 1400 ms 60800 KB Output is correct
23 Correct 1247 ms 52428 KB Output is correct
24 Correct 93 ms 27596 KB Output is correct
25 Correct 116 ms 29356 KB Output is correct
26 Correct 126 ms 28436 KB Output is correct
27 Correct 103 ms 28504 KB Output is correct
28 Correct 90 ms 28540 KB Output is correct
29 Correct 74 ms 28040 KB Output is correct
30 Correct 72 ms 28012 KB Output is correct
31 Correct 84 ms 28108 KB Output is correct
32 Correct 56 ms 26920 KB Output is correct
33 Correct 97 ms 28168 KB Output is correct
34 Correct 242 ms 32464 KB Output is correct
35 Correct 240 ms 38028 KB Output is correct
36 Correct 198 ms 37400 KB Output is correct
37 Correct 215 ms 37396 KB Output is correct
38 Correct 234 ms 37388 KB Output is correct
39 Correct 167 ms 35192 KB Output is correct
40 Correct 183 ms 35140 KB Output is correct
41 Correct 208 ms 35536 KB Output is correct
42 Correct 238 ms 35496 KB Output is correct
43 Correct 240 ms 35640 KB Output is correct
44 Correct 215 ms 35960 KB Output is correct
45 Correct 202 ms 36024 KB Output is correct
46 Correct 224 ms 35988 KB Output is correct
47 Correct 193 ms 36012 KB Output is correct
48 Correct 208 ms 35968 KB Output is correct
49 Correct 148 ms 34808 KB Output is correct
50 Correct 146 ms 34740 KB Output is correct
51 Correct 145 ms 34576 KB Output is correct
52 Correct 163 ms 34588 KB Output is correct
53 Correct 157 ms 34700 KB Output is correct
54 Correct 165 ms 34892 KB Output is correct
55 Correct 150 ms 32976 KB Output is correct
56 Correct 179 ms 33872 KB Output is correct
57 Correct 1312 ms 93640 KB Output is correct
58 Correct 1243 ms 93732 KB Output is correct
59 Correct 1210 ms 92148 KB Output is correct
60 Correct 1226 ms 92280 KB Output is correct
61 Correct 1125 ms 92172 KB Output is correct
62 Correct 1114 ms 92128 KB Output is correct
63 Correct 792 ms 80688 KB Output is correct
64 Correct 802 ms 80644 KB Output is correct
65 Correct 1049 ms 83792 KB Output is correct
66 Correct 1002 ms 83724 KB Output is correct
67 Correct 1006 ms 83984 KB Output is correct
68 Correct 1069 ms 85440 KB Output is correct
69 Correct 1032 ms 85476 KB Output is correct
70 Correct 1092 ms 85160 KB Output is correct
71 Correct 1097 ms 85184 KB Output is correct
72 Correct 1063 ms 85160 KB Output is correct
73 Correct 736 ms 76524 KB Output is correct
74 Correct 760 ms 77532 KB Output is correct
75 Correct 781 ms 76596 KB Output is correct
76 Correct 906 ms 76900 KB Output is correct
77 Correct 895 ms 76400 KB Output is correct
78 Correct 1105 ms 80252 KB Output is correct
79 Correct 798 ms 68704 KB Output is correct
80 Correct 1101 ms 74748 KB Output is correct