Submission #594285

# Submission time Handle Problem Language Result Execution time Memory
594285 2022-07-12T10:29:12 Z DAleksa Art Exhibition (JOI18_art) C++17
100 / 100
574 ms 45068 KB
#include <bits/stdc++.h>

using namespace std;

#define int long long

const int N = 5e5 + 10;
int n;
int a[N], b[N];
int st[4 * N];
int lzy[4 * N];

void propagate(int index, int l, int mid, int r) {
    if(2 * index + 1 < 4 * N) {
        st[2 * index] += lzy[index];
        lzy[2 * index] += lzy[index];
        st[2 * index + 1] += lzy[index];
        lzy[2 * index + 1] += lzy[index];
        lzy[index] = 0;
    }
}

void update(int index, int l, int r, int L, int R, int val) {
    if(l > r || r < L || R < l) return;
    if(L <= l && r <= R) {
        st[index] += val;
        lzy[index] += val;
        return;
    }
    int mid = (l + r) >> 1;
    propagate(index, l, mid, r);
    update(2 * index, l, mid, L, R, val);
    update(2 * index + 1, mid + 1, r, L, R, val);
    st[index] = max(st[2 * index], st[2 * index + 1]);
}

int get(int index, int l, int r, int L, int R) {
    if(l > r || r < L || R < l) return 0;
    if(L <= l && r <= R) return st[index];
    int mid = (l + r) >> 1;
    propagate(index, l, mid, r);
    return max(get(2 * index, l, mid, L, R), get(2 * index + 1, mid + 1, r, L, R));
}

signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cin >> n;
    for(int i = 1; i <= n; i++) cin >> a[i] >> b[i];
    pair<int, int> p[n + 1];
    for(int i = 1; i <= n; i++) {
        p[i].first = a[i];
        p[i].second = b[i];
    }
    sort(p + 1, p + n + 1);
    for(int i = 1; i <= n; i++) {
        a[i] = p[i].first;
        b[i] = p[i].second;
    }
    int res = 0;
    for(int i = 1; i <= n; i++) {
        update(1, 1, n, i, i, a[i]);
        update(1, 1, n, 1, i, b[i]);
        res = max(res, get(1, 1, n, 1, i) - a[i]);
    }
    cout << res;
    return 0;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 360 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 360 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 328 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 360 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 328 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 5 ms 856 KB Output is correct
28 Correct 6 ms 852 KB Output is correct
29 Correct 6 ms 856 KB Output is correct
30 Correct 5 ms 852 KB Output is correct
31 Correct 4 ms 852 KB Output is correct
32 Correct 6 ms 772 KB Output is correct
33 Correct 6 ms 840 KB Output is correct
34 Correct 7 ms 852 KB Output is correct
35 Correct 6 ms 804 KB Output is correct
36 Correct 6 ms 880 KB Output is correct
37 Correct 5 ms 784 KB Output is correct
38 Correct 4 ms 792 KB Output is correct
39 Correct 11 ms 872 KB Output is correct
40 Correct 5 ms 848 KB Output is correct
41 Correct 6 ms 784 KB Output is correct
42 Correct 8 ms 848 KB Output is correct
43 Correct 5 ms 800 KB Output is correct
44 Correct 5 ms 844 KB Output is correct
45 Correct 5 ms 792 KB Output is correct
46 Correct 7 ms 852 KB Output is correct
47 Correct 9 ms 852 KB Output is correct
48 Correct 6 ms 856 KB Output is correct
49 Correct 5 ms 852 KB Output is correct
50 Correct 4 ms 852 KB Output is correct
51 Correct 5 ms 844 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 360 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 328 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 5 ms 856 KB Output is correct
28 Correct 6 ms 852 KB Output is correct
29 Correct 6 ms 856 KB Output is correct
30 Correct 5 ms 852 KB Output is correct
31 Correct 4 ms 852 KB Output is correct
32 Correct 6 ms 772 KB Output is correct
33 Correct 6 ms 840 KB Output is correct
34 Correct 7 ms 852 KB Output is correct
35 Correct 6 ms 804 KB Output is correct
36 Correct 6 ms 880 KB Output is correct
37 Correct 5 ms 784 KB Output is correct
38 Correct 4 ms 792 KB Output is correct
39 Correct 11 ms 872 KB Output is correct
40 Correct 5 ms 848 KB Output is correct
41 Correct 6 ms 784 KB Output is correct
42 Correct 8 ms 848 KB Output is correct
43 Correct 5 ms 800 KB Output is correct
44 Correct 5 ms 844 KB Output is correct
45 Correct 5 ms 792 KB Output is correct
46 Correct 7 ms 852 KB Output is correct
47 Correct 9 ms 852 KB Output is correct
48 Correct 6 ms 856 KB Output is correct
49 Correct 5 ms 852 KB Output is correct
50 Correct 4 ms 852 KB Output is correct
51 Correct 5 ms 844 KB Output is correct
52 Correct 574 ms 45068 KB Output is correct
53 Correct 531 ms 44912 KB Output is correct
54 Correct 555 ms 45012 KB Output is correct
55 Correct 500 ms 44988 KB Output is correct
56 Correct 473 ms 44940 KB Output is correct
57 Correct 490 ms 44936 KB Output is correct
58 Correct 535 ms 45000 KB Output is correct
59 Correct 490 ms 44988 KB Output is correct
60 Correct 495 ms 44980 KB Output is correct
61 Correct 533 ms 44876 KB Output is correct
62 Correct 497 ms 44988 KB Output is correct
63 Correct 520 ms 45068 KB Output is correct
64 Correct 499 ms 44920 KB Output is correct
65 Correct 485 ms 44948 KB Output is correct
66 Correct 492 ms 44948 KB Output is correct
67 Correct 497 ms 45048 KB Output is correct
68 Correct 483 ms 45004 KB Output is correct