oj.uz

Submission #746499

# Submission time Handle Problem Language Result Execution time Memory
746499 2023-05-22T14:39:41 Z nguyentunglam Bubble Sort 2 (JOI18_bubblesort2) C++17
60 / 100
 153 ms 13632 KB 
#include<bits/stdc++.h>
#define fi first
#define se second
#define endl "\n"
#define ii pair<int, int>
using namespace std;
const int N = 1e5 + 01;
vector<ii> rrh;
int f[N], T[N << 2], lazy[N << 2];

void push(int s, int l, int r) {
    if (!lazy[s]) return;
    T[s] += lazy[s];
    if (l != r) {
        lazy[s << 1] += lazy[s];
        lazy[s << 1 | 1] += lazy[s];
    }
    lazy[s] = 0;
}

void up(int s, int l, int r, int from, int to, int val) {
    push(s, l, r);
    if (l > to || r < from) return;
    if (from <= l && r <= to) {
        lazy[s] += val;
        push(s, l, r);
        return;
    }
    int mid = l + r >> 1;
    up(s << 1, l, mid, from, to, val);
    up(s << 1 | 1, mid + 1, r, from, to, val);
    T[s] = max(T[s << 1], T[s << 1 | 1]);
}

int id(int pos, int val) {
    return upper_bound(rrh.begin(), rrh.end(), make_pair(val, pos)) - rrh.begin();
}

vector<int> countScans(vector<int> a, vector<int> pos, vector<int> val) {
    vector<int> ans(pos.size());
    int n = a.size();

    for(int i = 0; i < n; i++) rrh.emplace_back(a[i], i);
    for(int i = 0; i < pos.size(); i++) rrh.emplace_back(val[i], pos[i]);
    sort(rrh.begin(), rrh.end());
    rrh.resize(unique(rrh.begin(), rrh.end()) - rrh.begin());
    int m = rrh.size();

    for(int i = 0; i < n; i++) {
        int p = id(i, a[i]);
        up(1, 1, m, p, p, i + 1);
        up(1, 1, m, p, m, -1);
    }

    for(int i = 0; i < pos.size(); i++) {
        int p = id(pos[i], a[pos[i]]);
        up(1, 1, m, p, p, -pos[i] - 1);
        up(1, 1, m, p, m, 1);

        a[pos[i]] = val[i];
        p = id(pos[i], val[i]);
        up(1, 1, m, p, p, pos[i] + 1);
        up(1, 1, m, p, m, -1);
        ans[i] = T[1];
    }

    return ans;
}

#ifdef ngu
int main() {

    freopen ("task.inp", "r", stdin);
    freopen ("task.out", "w", stdout);

    int n, q; cin >> n >> q;
    vector<int> a(n), x(q), v(q);
    for(int i = 0; i < n; i++) cin >> a[i];
    for(int i = 0; i < q; i++) cin >> x[i] >> v[i];
    vector<int> ret = countScans(a, x, v);
    for(int &j : ret) cout << j << endl;
}
#endif // ngu

Compilation message

bubblesort2.cpp: In function 'void up(int, int, int, int, int, int)':
bubblesort2.cpp:29:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   29 |     int mid = l + r >> 1;
      |               ~~^~~
bubblesort2.cpp: In function 'std::vector<int> countScans(std::vector<int>, std::vector<int>, std::vector<int>)':
bubblesort2.cpp:44:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |     for(int i = 0; i < pos.size(); i++) rrh.emplace_back(val[i], pos[i]);
      |                    ~~^~~~~~~~~~~~
bubblesort2.cpp:55:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   55 |     for(int i = 0; i < pos.size(); i++) {
      |                    ~~^~~~~~~~~~~~

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 5 ms 468 KB Output is correct
4 Correct 5 ms 468 KB Output is correct
5 Correct 4 ms 468 KB Output is correct
6 Correct 4 ms 468 KB Output is correct
7 Correct 4 ms 468 KB Output is correct
8 Correct 5 ms 468 KB Output is correct
9 Correct 4 ms 468 KB Output is correct
10 Correct 4 ms 468 KB Output is correct
11 Correct 4 ms 468 KB Output is correct
12 Correct 5 ms 496 KB Output is correct
13 Correct 5 ms 404 KB Output is correct
14 Correct 4 ms 468 KB Output is correct
15 Correct 6 ms 468 KB Output is correct
16 Correct 4 ms 468 KB Output is correct
17 Correct 4 ms 468 KB Output is correct
18 Correct 4 ms 496 KB Output is correct

Subtask #2
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 5 ms 468 KB Output is correct
4 Correct 5 ms 468 KB Output is correct
5 Correct 4 ms 468 KB Output is correct
6 Correct 4 ms 468 KB Output is correct
7 Correct 4 ms 468 KB Output is correct
8 Correct 5 ms 468 KB Output is correct
9 Correct 4 ms 468 KB Output is correct
10 Correct 4 ms 468 KB Output is correct
11 Correct 4 ms 468 KB Output is correct
12 Correct 5 ms 496 KB Output is correct
13 Correct 5 ms 404 KB Output is correct
14 Correct 4 ms 468 KB Output is correct
15 Correct 6 ms 468 KB Output is correct
16 Correct 4 ms 468 KB Output is correct
17 Correct 4 ms 468 KB Output is correct
18 Correct 4 ms 496 KB Output is correct
19 Correct 17 ms 980 KB Output is correct
20 Correct 19 ms 1040 KB Output is correct
21 Correct 18 ms 1052 KB Output is correct
22 Correct 20 ms 1048 KB Output is correct
23 Correct 19 ms 980 KB Output is correct
24 Correct 24 ms 1060 KB Output is correct
25 Correct 17 ms 1012 KB Output is correct
26 Correct 16 ms 980 KB Output is correct
27 Correct 16 ms 1060 KB Output is correct
28 Correct 16 ms 1052 KB Output is correct

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 1464 KB Output is correct
2 Correct 83 ms 2760 KB Output is correct
3 Correct 137 ms 4644 KB Output is correct
4 Correct 134 ms 4584 KB Output is correct
5 Correct 152 ms 4640 KB Output is correct
6 Correct 153 ms 4640 KB Output is correct
7 Correct 141 ms 4644 KB Output is correct
8 Correct 126 ms 4564 KB Output is correct
9 Correct 135 ms 4584 KB Output is correct
10 Correct 115 ms 3616 KB Output is correct
11 Correct 105 ms 3740 KB Output is correct
12 Correct 102 ms 3624 KB Output is correct
13 Correct 135 ms 3756 KB Output is correct
14 Correct 116 ms 3620 KB Output is correct
15 Correct 103 ms 3496 KB Output is correct
16 Correct 103 ms 3620 KB Output is correct
17 Correct 108 ms 3612 KB Output is correct
18 Correct 118 ms 3620 KB Output is correct

Subtask #4
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 5 ms 468 KB Output is correct
4 Correct 5 ms 468 KB Output is correct
5 Correct 4 ms 468 KB Output is correct
6 Correct 4 ms 468 KB Output is correct
7 Correct 4 ms 468 KB Output is correct
8 Correct 5 ms 468 KB Output is correct
9 Correct 4 ms 468 KB Output is correct
10 Correct 4 ms 468 KB Output is correct
11 Correct 4 ms 468 KB Output is correct
12 Correct 5 ms 496 KB Output is correct
13 Correct 5 ms 404 KB Output is correct
14 Correct 4 ms 468 KB Output is correct
15 Correct 6 ms 468 KB Output is correct
16 Correct 4 ms 468 KB Output is correct
17 Correct 4 ms 468 KB Output is correct
18 Correct 4 ms 496 KB Output is correct
19 Correct 17 ms 980 KB Output is correct
20 Correct 19 ms 1040 KB Output is correct
21 Correct 18 ms 1052 KB Output is correct
22 Correct 20 ms 1048 KB Output is correct
23 Correct 19 ms 980 KB Output is correct
24 Correct 24 ms 1060 KB Output is correct
25 Correct 17 ms 1012 KB Output is correct
26 Correct 16 ms 980 KB Output is correct
27 Correct 16 ms 1060 KB Output is correct
28 Correct 16 ms 1052 KB Output is correct
29 Correct 31 ms 1464 KB Output is correct
30 Correct 83 ms 2760 KB Output is correct
31 Correct 137 ms 4644 KB Output is correct
32 Correct 134 ms 4584 KB Output is correct
33 Correct 152 ms 4640 KB Output is correct
34 Correct 153 ms 4640 KB Output is correct
35 Correct 141 ms 4644 KB Output is correct
36 Correct 126 ms 4564 KB Output is correct
37 Correct 135 ms 4584 KB Output is correct
38 Correct 115 ms 3616 KB Output is correct
39 Correct 105 ms 3740 KB Output is correct
40 Correct 102 ms 3624 KB Output is correct
41 Correct 135 ms 3756 KB Output is correct
42 Correct 116 ms 3620 KB Output is correct
43 Correct 103 ms 3496 KB Output is correct
44 Correct 103 ms 3620 KB Output is correct
45 Correct 108 ms 3612 KB Output is correct
46 Correct 118 ms 3620 KB Output is correct
47 Runtime error 94 ms 13632 KB Execution killed with signal 11
48 Halted 0 ms 0 KB -