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Submission #1095511

# Submission time Handle Problem Language Result Execution time Memory
1095511 2024-10-02T12:49:43 Z thangdz2k7 Bubble Sort 2 (JOI18_bubblesort2) C++17
100 / 100
 1269 ms 55304 KB 
#include <bits/stdc++.h>
#define pb push_back

using namespace std;
using ii = pair <int, int>;
using vi = vector <int>;

const int N = 4e6 + 5;

int mx, lz[N], Max[N];
const int inf = 4e6;

void update(int u, int v, int val, int s = 1, int l = 0, int r = mx - 1){
    if (u <= l && r <= v){
        Max[s] += val, lz[s] += val;
        return;
    }

    int mid = l + r >> 1;
    if (mid >= u) update(u, v, val, s << 1, l, mid);
    if (mid < v) update(u, v, val, s << 1 | 1, mid + 1, r);
    Max[s] = max(Max[s << 1], Max[s << 1 | 1]) + lz[s];
}

vi countScans(vi a, vi x, vi y){
    int n = a.size(), q = x.size(); vector <ii> sr;

    #define all(x) (x).begin(), (x).end()
    #define fd(sr, x) (lower_bound(sr.begin(), sr.end(), x) - sr.begin())
    #define uq(sr) (sr).erase(unique(all((sr))), (sr).end())
    #define szv(v) (int((v).size()))

    for (int i = 0; i < n; ++ i) sr.pb({a[i], i});
    for (int i = 0; i < q; ++ i) sr.pb({y[i], x[i]});
    sort(all(sr)); uq(sr); mx = szv(sr);
    for (int i = 1; i <= 4 * mx; ++ i) Max[i] = -inf, lz[i] = 0;

    auto fix = [&](int i, int f) -> void {
        ii x = {a[i], i}; int T = fd(sr, x);
        update(T, T, f * (inf + i));
        update(T, mx - 1, -f);
    };

    vi ans;
    for (int i = 0; i < n; ++ i) fix(i, 1);
    for (int i = 0; i < q; ++ i){
        fix(x[i], -1); a[x[i]] = y[i];
        fix(x[i], 1); ans.pb(Max[1] + 1);
    }
    return ans;
}

Compilation message

bubblesort2.cpp: In function 'void update(int, int, int, int, int, int)':
bubblesort2.cpp:19:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   19 |     int mid = l + r >> 1;
      |               ~~^~~

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 3 ms 604 KB Output is correct
4 Correct 3 ms 604 KB Output is correct
5 Correct 3 ms 604 KB Output is correct
6 Correct 3 ms 604 KB Output is correct
7 Correct 3 ms 604 KB Output is correct
8 Correct 3 ms 604 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 3 ms 604 KB Output is correct
11 Correct 3 ms 604 KB Output is correct
12 Correct 3 ms 604 KB Output is correct
13 Correct 3 ms 668 KB Output is correct
14 Correct 2 ms 604 KB Output is correct
15 Correct 4 ms 600 KB Output is correct
16 Correct 2 ms 604 KB Output is correct
17 Correct 3 ms 604 KB Output is correct
18 Correct 2 ms 604 KB Output is correct

Subtask #2
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 3 ms 604 KB Output is correct
4 Correct 3 ms 604 KB Output is correct
5 Correct 3 ms 604 KB Output is correct
6 Correct 3 ms 604 KB Output is correct
7 Correct 3 ms 604 KB Output is correct
8 Correct 3 ms 604 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 3 ms 604 KB Output is correct
11 Correct 3 ms 604 KB Output is correct
12 Correct 3 ms 604 KB Output is correct
13 Correct 3 ms 668 KB Output is correct
14 Correct 2 ms 604 KB Output is correct
15 Correct 4 ms 600 KB Output is correct
16 Correct 2 ms 604 KB Output is correct
17 Correct 3 ms 604 KB Output is correct
18 Correct 2 ms 604 KB Output is correct
19 Correct 10 ms 1112 KB Output is correct
20 Correct 11 ms 1372 KB Output is correct
21 Correct 11 ms 1368 KB Output is correct
22 Correct 12 ms 1372 KB Output is correct
23 Correct 11 ms 1240 KB Output is correct
24 Correct 13 ms 1160 KB Output is correct
25 Correct 11 ms 1112 KB Output is correct
26 Correct 12 ms 1188 KB Output is correct
27 Correct 12 ms 1116 KB Output is correct
28 Correct 12 ms 1116 KB Output is correct

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 1772 KB Output is correct
2 Correct 46 ms 3784 KB Output is correct
3 Correct 84 ms 5896 KB Output is correct
4 Correct 87 ms 5900 KB Output is correct
5 Correct 78 ms 5880 KB Output is correct
6 Correct 80 ms 5828 KB Output is correct
7 Correct 82 ms 5832 KB Output is correct
8 Correct 77 ms 5684 KB Output is correct
9 Correct 77 ms 5832 KB Output is correct
10 Correct 60 ms 4552 KB Output is correct
11 Correct 67 ms 4292 KB Output is correct
12 Correct 63 ms 4304 KB Output is correct
13 Correct 59 ms 4548 KB Output is correct
14 Correct 57 ms 4348 KB Output is correct
15 Correct 68 ms 4332 KB Output is correct
16 Correct 57 ms 4548 KB Output is correct
17 Correct 54 ms 4552 KB Output is correct
18 Correct 53 ms 4552 KB Output is correct

Subtask #4
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 3 ms 604 KB Output is correct
4 Correct 3 ms 604 KB Output is correct
5 Correct 3 ms 604 KB Output is correct
6 Correct 3 ms 604 KB Output is correct
7 Correct 3 ms 604 KB Output is correct
8 Correct 3 ms 604 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 3 ms 604 KB Output is correct
11 Correct 3 ms 604 KB Output is correct
12 Correct 3 ms 604 KB Output is correct
13 Correct 3 ms 668 KB Output is correct
14 Correct 2 ms 604 KB Output is correct
15 Correct 4 ms 600 KB Output is correct
16 Correct 2 ms 604 KB Output is correct
17 Correct 3 ms 604 KB Output is correct
18 Correct 2 ms 604 KB Output is correct
19 Correct 10 ms 1112 KB Output is correct
20 Correct 11 ms 1372 KB Output is correct
21 Correct 11 ms 1368 KB Output is correct
22 Correct 12 ms 1372 KB Output is correct
23 Correct 11 ms 1240 KB Output is correct
24 Correct 13 ms 1160 KB Output is correct
25 Correct 11 ms 1112 KB Output is correct
26 Correct 12 ms 1188 KB Output is correct
27 Correct 12 ms 1116 KB Output is correct
28 Correct 12 ms 1116 KB Output is correct
29 Correct 16 ms 1772 KB Output is correct
30 Correct 46 ms 3784 KB Output is correct
31 Correct 84 ms 5896 KB Output is correct
32 Correct 87 ms 5900 KB Output is correct
33 Correct 78 ms 5880 KB Output is correct
34 Correct 80 ms 5828 KB Output is correct
35 Correct 82 ms 5832 KB Output is correct
36 Correct 77 ms 5684 KB Output is correct
37 Correct 77 ms 5832 KB Output is correct
38 Correct 60 ms 4552 KB Output is correct
39 Correct 67 ms 4292 KB Output is correct
40 Correct 63 ms 4304 KB Output is correct
41 Correct 59 ms 4548 KB Output is correct
42 Correct 57 ms 4348 KB Output is correct
43 Correct 68 ms 4332 KB Output is correct
44 Correct 57 ms 4548 KB Output is correct
45 Correct 54 ms 4552 KB Output is correct
46 Correct 53 ms 4552 KB Output is correct
47 Correct 302 ms 16856 KB Output is correct
48 Correct 1110 ms 50856 KB Output is correct
49 Correct 1261 ms 55216 KB Output is correct
50 Correct 1269 ms 55216 KB Output is correct
51 Correct 1266 ms 55216 KB Output is correct
52 Correct 1266 ms 55240 KB Output is correct
53 Correct 1249 ms 55220 KB Output is correct
54 Correct 1152 ms 55216 KB Output is correct
55 Correct 1232 ms 55232 KB Output is correct
56 Correct 1233 ms 55304 KB Output is correct
57 Correct 1225 ms 55212 KB Output is correct
58 Correct 1144 ms 55300 KB Output is correct
59 Correct 1046 ms 51376 KB Output is correct
60 Correct 1035 ms 51376 KB Output is correct
61 Correct 1000 ms 51376 KB Output is correct
62 Correct 946 ms 49328 KB Output is correct
63 Correct 918 ms 49328 KB Output is correct
64 Correct 919 ms 49324 KB Output is correct
65 Correct 856 ms 47276 KB Output is correct
66 Correct 856 ms 47304 KB Output is correct
67 Correct 896 ms 47280 KB Output is correct