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답안 #469525

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
469525 2021-09-01T08:50:28 Z Lam_lai_cuoc_doi Bubble Sort 2 (JOI18_bubblesort2) C++17
60 / 100
 571 ms 196768 KB 
#include <bits/stdc++.h>

using namespace std;
using ll = long long;
using ld = long double;
using ull = unsigned long long;

template <class T>
void read(T &x)
{
    x = 0;
    register int c;
    while ((c = getchar()) && (c > '9' || c < '0'))
        ;
    for (; c >= '0' && c <= '9'; c = getchar())
        x = x * 10 + c - '0';
}

constexpr bool typetest = 0;
constexpr int N = 5e5 + 5;
constexpr int Inf = 1e9 + 7;

struct FenwickTree
{
    int a[N];
    int n;
    FenwickTree()
    {
        memset(a, 0, sizeof a);
    }
    void Update(int p, int v)
    {
        for (; p <= n; p += p & -p)
            a[p] += v;
    }
    int Get(int p)
    {
        int ans(0);
        for (; p; p -= p & -p)
            ans += a[p];
        return ans;
    }
} g;

struct SegmentTree
{
    int n;
    int lazy[N * 8], st[N * 8];

    SegmentTree()
    {
        memset(lazy, 0, sizeof lazy);
        fill_n(st, N * 8, -Inf);
    }
    void Push(int id)
    {
        if (lazy[id] != 0)
        {
            if (st[id << 1] != -Inf)
                st[id << 1] += lazy[id];
            lazy[id << 1] += lazy[id];
            if (st[id << 1 | 1] != -Inf)
                st[id << 1 | 1] += lazy[id];
            lazy[id << 1 | 1] += lazy[id];
            lazy[id] = 0;
        }
    }
    void Update(int id, int l, int r, const int &x, const int &v)
    {
        if (l > x || r < x)
            return;
        if (l == x && r == x)
        {
            st[id] = v;
            return;
        }
        Push(id);
        Update(id << 1, l, (l + r) / 2, x, v);
        Update(id << 1 | 1, (l + r) / 2 + 1, r, x, v);
        st[id] = max(st[id << 1], st[id << 1 | 1]);
    }
    void Update(int x, int v)
    {
        Update(1, 1, n, x, v);
    }
    void Update(int id, int l, int r, const int &a, const int &b, const int &v)
    {
        if (l > b || r < a)
            return;
        if (l >= a && r <= b)
        {
            st[id] += v;
            lazy[id] += v;
            return;
        }
        Push(id);
        Update(id << 1, l, (l + r) / 2, a, b, v);
        Update(id << 1 | 1, (l + r) / 2 + 1, r, a, b, v);
        st[id] = max(st[id << 1], st[id << 1 | 1]);
    }
    void Update(int l, int r, int v)
    {
        Update(1, 1, n, l, r, v);
    }
} f;

vector<int> s;
set<int> pos[N * 2];
int n, m;

#define Find(x, v) (lower_bound(x.begin(), x.end(), v) - x.begin() + 1)

vector<int> countScans(vector<int> a, vector<int> x, vector<int> v)
{
    vector<int> ans(x.size(), 0);

    n = a.size();
    m = x.size();

    for (int i = 0; i < n; ++i)
        s.emplace_back(a[i]);
    for (int i = 0; i < m; ++i)
        s.emplace_back(v[i]);

    sort(s.begin(), s.end());
    s.resize(unique(s.begin(), s.end()) - s.begin());
    f.n = g.n = s.size();

    for (int i = 0; i < n; ++i)
    {
        a[i] = Find(s, a[i]);
        g.Update(a[i], 1);
        pos[a[i]].insert(i);
    }

    for (int i = 0; i < (int)s.size(); ++i)
        if (!pos[i + 1].empty())
            f.Update(i + 1, *pos[i + 1].rbegin() + 1 - g.Get(i + 1));

    for (int i = 0; i < m; ++i)
    {
        v[i] = Find(s, v[i]);

        pos[a[x[i]]].erase(x[i]);
        f.Update(a[x[i]], s.size(), 1);
        g.Update(a[x[i]], -1);

        if (pos[a[x[i]]].empty())
            f.Update(a[x[i]], -Inf);
        else
            f.Update(a[x[i]], *pos[a[x[i]]].rbegin() + 1 - g.Get(a[x[i]]));

        a[x[i]] = v[i];

        pos[a[x[i]]].insert(x[i]);
        f.Update(a[x[i]], s.size(), -1);
        g.Update(a[x[i]], 1);
        f.Update(v[i], *pos[v[i]].rbegin() + 1 - g.Get(v[i]));

        ans[i] = f.st[1];
    }

    return ans;
}

Compilation message

bubblesort2.cpp: In function 'void read(T&)':
bubblesort2.cpp:12:18: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
   12 |     register int c;
      |                  ^

Subtask #1
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 41 ms 80448 KB Output is correct
2 Correct 42 ms 80580 KB Output is correct
3 Correct 45 ms 80708 KB Output is correct
4 Correct 44 ms 80696 KB Output is correct
5 Correct 44 ms 80720 KB Output is correct
6 Correct 44 ms 80640 KB Output is correct
7 Correct 44 ms 80708 KB Output is correct
8 Correct 44 ms 80644 KB Output is correct
9 Correct 44 ms 80704 KB Output is correct
10 Correct 44 ms 80696 KB Output is correct
11 Correct 43 ms 80708 KB Output is correct
12 Correct 44 ms 80708 KB Output is correct
13 Correct 44 ms 80704 KB Output is correct
14 Correct 43 ms 80616 KB Output is correct
15 Correct 44 ms 80688 KB Output is correct
16 Correct 44 ms 80708 KB Output is correct
17 Correct 44 ms 80744 KB Output is correct
18 Correct 44 ms 80708 KB Output is correct

Subtask #2
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 41 ms 80448 KB Output is correct
2 Correct 42 ms 80580 KB Output is correct
3 Correct 45 ms 80708 KB Output is correct
4 Correct 44 ms 80696 KB Output is correct
5 Correct 44 ms 80720 KB Output is correct
6 Correct 44 ms 80640 KB Output is correct
7 Correct 44 ms 80708 KB Output is correct
8 Correct 44 ms 80644 KB Output is correct
9 Correct 44 ms 80704 KB Output is correct
10 Correct 44 ms 80696 KB Output is correct
11 Correct 43 ms 80708 KB Output is correct
12 Correct 44 ms 80708 KB Output is correct
13 Correct 44 ms 80704 KB Output is correct
14 Correct 43 ms 80616 KB Output is correct
15 Correct 44 ms 80688 KB Output is correct
16 Correct 44 ms 80708 KB Output is correct
17 Correct 44 ms 80744 KB Output is correct
18 Correct 44 ms 80708 KB Output is correct
19 Correct 55 ms 81180 KB Output is correct
20 Correct 59 ms 81308 KB Output is correct
21 Correct 58 ms 81364 KB Output is correct
22 Correct 58 ms 81328 KB Output is correct
23 Correct 57 ms 81328 KB Output is correct
24 Correct 61 ms 81420 KB Output is correct
25 Correct 58 ms 81300 KB Output is correct
26 Correct 58 ms 81348 KB Output is correct
27 Correct 55 ms 81332 KB Output is correct
28 Correct 56 ms 81292 KB Output is correct

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 55 ms 82280 KB Output is correct
2 Correct 90 ms 83776 KB Output is correct
3 Correct 130 ms 84884 KB Output is correct
4 Correct 127 ms 85004 KB Output is correct
5 Correct 127 ms 84880 KB Output is correct
6 Correct 126 ms 84924 KB Output is correct
7 Correct 123 ms 84924 KB Output is correct
8 Correct 123 ms 84884 KB Output is correct
9 Correct 124 ms 84948 KB Output is correct
10 Correct 111 ms 84924 KB Output is correct
11 Correct 109 ms 84948 KB Output is correct
12 Correct 107 ms 84872 KB Output is correct
13 Correct 104 ms 84924 KB Output is correct
14 Correct 102 ms 84920 KB Output is correct
15 Correct 105 ms 85112 KB Output is correct
16 Correct 98 ms 84924 KB Output is correct
17 Correct 99 ms 84900 KB Output is correct
18 Correct 98 ms 84948 KB Output is correct

Subtask #4
0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 41 ms 80448 KB Output is correct
2 Correct 42 ms 80580 KB Output is correct
3 Correct 45 ms 80708 KB Output is correct
4 Correct 44 ms 80696 KB Output is correct
5 Correct 44 ms 80720 KB Output is correct
6 Correct 44 ms 80640 KB Output is correct
7 Correct 44 ms 80708 KB Output is correct
8 Correct 44 ms 80644 KB Output is correct
9 Correct 44 ms 80704 KB Output is correct
10 Correct 44 ms 80696 KB Output is correct
11 Correct 43 ms 80708 KB Output is correct
12 Correct 44 ms 80708 KB Output is correct
13 Correct 44 ms 80704 KB Output is correct
14 Correct 43 ms 80616 KB Output is correct
15 Correct 44 ms 80688 KB Output is correct
16 Correct 44 ms 80708 KB Output is correct
17 Correct 44 ms 80744 KB Output is correct
18 Correct 44 ms 80708 KB Output is correct
19 Correct 55 ms 81180 KB Output is correct
20 Correct 59 ms 81308 KB Output is correct
21 Correct 58 ms 81364 KB Output is correct
22 Correct 58 ms 81328 KB Output is correct
23 Correct 57 ms 81328 KB Output is correct
24 Correct 61 ms 81420 KB Output is correct
25 Correct 58 ms 81300 KB Output is correct
26 Correct 58 ms 81348 KB Output is correct
27 Correct 55 ms 81332 KB Output is correct
28 Correct 56 ms 81292 KB Output is correct
29 Correct 55 ms 82280 KB Output is correct
30 Correct 90 ms 83776 KB Output is correct
31 Correct 130 ms 84884 KB Output is correct
32 Correct 127 ms 85004 KB Output is correct
33 Correct 127 ms 84880 KB Output is correct
34 Correct 126 ms 84924 KB Output is correct
35 Correct 123 ms 84924 KB Output is correct
36 Correct 123 ms 84884 KB Output is correct
37 Correct 124 ms 84948 KB Output is correct
38 Correct 111 ms 84924 KB Output is correct
39 Correct 109 ms 84948 KB Output is correct
40 Correct 107 ms 84872 KB Output is correct
41 Correct 104 ms 84924 KB Output is correct
42 Correct 102 ms 84920 KB Output is correct
43 Correct 105 ms 85112 KB Output is correct
44 Correct 98 ms 84924 KB Output is correct
45 Correct 99 ms 84900 KB Output is correct
46 Correct 98 ms 84948 KB Output is correct
47 Correct 571 ms 93760 KB Output is correct
48 Runtime error 412 ms 196768 KB Execution killed with signal 11
49 Halted 0 ms 0 KB -