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Submission #1096979

# Submission time Handle Problem Language Result Execution time Memory
1096979 2024-10-05T15:35:46 Z LonlyR Examination (JOI19_examination) C++17
100 / 100
 829 ms 99188 KB 
#include<bits/stdc++.h>
#define int long long
#define ii pair<int,int>
#define all(x) x.begin(), x.end()

using namespace std;
const int maxn = 6e5 + 4;
int n, m, q;
int ans[maxn];
vector<int> f[maxn], fake[maxn];
array<int, 4> qr[maxn], a[maxn];
vector<int> nen;

int comp(int x)
{
    return upper_bound(all(nen), x) - nen.begin();
}

void fupd(int x, int y)
{
    for (; x > 0; x -= x & -x)
        fake[x].emplace_back(y);
}

void fqry(int x, int y)
{
    for (; x <= nen.size(); x += x & -x)
        fake[x].emplace_back(y);
}


void build()
{
    for (int i = 1; i <= nen.size(); i++)
    {
        if (fake[i].empty()) continue;
        sort(all(fake[i]));
        fake[i].resize(unique(all(fake[i])) - fake[i].begin());
        f[i].resize(fake[i].size() + 1, 0);
    }
}

void upd(int x, int y)
{
    for (; x > 0; x -= x & -x)
        for (int i = upper_bound(all(fake[x]), y) - fake[x].begin(); i > 0; i -= i & -i)
            f[x][i]++;
}

int qry(int x, int y)
{
    int ans = 0;
    for (; x <= nen.size(); x += x & -x)
        for (int i = upper_bound(all(fake[x]), y) - fake[x].begin(); i <= fake[x].size(); i += i & -i)
            ans += f[x][i];
    return ans;
}

signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);
    cin >> n >> q;
    for (int i = 1; i <= n; i++)
    {
        cin >> a[i][0] >> a[i][1], a[i][2] = a[i][0] + a[i][1];
        for (int j = 0; j < 3; j++)
            nen.emplace_back(a[i][0]),
            nen.emplace_back(a[i][1]),
            nen.emplace_back(a[i][2]);
    }
    for (int i = 1; i <= q; i++)
    {
        cin >> qr[i][0] >> qr[i][1] >> qr[i][2];
        qr[i][3] = i;
        for (int j = 0; j < 3; j++)
            nen.emplace_back(qr[i][j]);
    }
    sort(all(nen));
    nen.resize(unique(all(nen)) - nen.begin());

    sort(all(nen));
    nen.resize(unique(all(nen)) - nen.begin());
    for (int i = 1; i <= n; i++)
    {
        for (int j = 0; j < 3; j++)
            a[i][j] = comp(a[i][j]);
        fupd(a[i][1], a[i][2]);
    }
    for (int i = 1; i <= q; i++)
    {
        auto &[u1, u2, v1, v2] = qr[i];
        u1 = comp(u1);
        u2 = comp(u2);
        v1 = comp(v1);
        fqry(u2, v1);
    }
    build();
    sort(a + 1, a + n + 1, greater<>());
    sort(qr + 1, qr + q + 1, greater<>());
    for (int i = 1, j = 1; i <= q; i++)
    {
        while (j <= n && a[j][0] >= qr[i][0])
            upd(a[j][1], a[j][2]),
            j++;
        ans[qr[i][3]] = qry(qr[i][1], qr[i][2]);
    }
    for (int i = 1; i <= q; i++)
        cout << ans[i] << "\n";
}

Compilation message

examination.cpp: In function 'void fqry(long long int, long long int)':
examination.cpp:27:14: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |     for (; x <= nen.size(); x += x & -x)
      |            ~~^~~~~~~~~~~~~
examination.cpp: In function 'void build()':
examination.cpp:34:23: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |     for (int i = 1; i <= nen.size(); i++)
      |                     ~~^~~~~~~~~~~~~
examination.cpp: In function 'long long int qry(long long int, long long int)':
examination.cpp:53:14: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   53 |     for (; x <= nen.size(); x += x & -x)
      |            ~~^~~~~~~~~~~~~
examination.cpp:54:72: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   54 |         for (int i = upper_bound(all(fake[x]), y) - fake[x].begin(); i <= fake[x].size(); i += i & -i)
      |                                                                      ~~^~~~~~~~~~~~~~~~~

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 28764 KB Output is correct
2 Correct 11 ms 28508 KB Output is correct
3 Correct 12 ms 28660 KB Output is correct
4 Correct 12 ms 28504 KB Output is correct
5 Correct 11 ms 28508 KB Output is correct
6 Correct 11 ms 28604 KB Output is correct
7 Correct 25 ms 30312 KB Output is correct
8 Correct 23 ms 30428 KB Output is correct
9 Correct 22 ms 30448 KB Output is correct
10 Correct 20 ms 29912 KB Output is correct
11 Correct 21 ms 30172 KB Output is correct
12 Correct 21 ms 29404 KB Output is correct
13 Correct 25 ms 30172 KB Output is correct
14 Correct 29 ms 30172 KB Output is correct
15 Correct 21 ms 30172 KB Output is correct
16 Correct 19 ms 29912 KB Output is correct
17 Correct 19 ms 29916 KB Output is correct
18 Correct 14 ms 29248 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 425 ms 76888 KB Output is correct
2 Correct 385 ms 77212 KB Output is correct
3 Correct 401 ms 77156 KB Output is correct
4 Correct 227 ms 65540 KB Output is correct
5 Correct 329 ms 74092 KB Output is correct
6 Correct 144 ms 52884 KB Output is correct
7 Correct 392 ms 77056 KB Output is correct
8 Correct 405 ms 77056 KB Output is correct
9 Correct 383 ms 75668 KB Output is correct
10 Correct 288 ms 73316 KB Output is correct
11 Correct 210 ms 65180 KB Output is correct
12 Correct 95 ms 50696 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 425 ms 76888 KB Output is correct
2 Correct 385 ms 77212 KB Output is correct
3 Correct 401 ms 77156 KB Output is correct
4 Correct 227 ms 65540 KB Output is correct
5 Correct 329 ms 74092 KB Output is correct
6 Correct 144 ms 52884 KB Output is correct
7 Correct 392 ms 77056 KB Output is correct
8 Correct 405 ms 77056 KB Output is correct
9 Correct 383 ms 75668 KB Output is correct
10 Correct 288 ms 73316 KB Output is correct
11 Correct 210 ms 65180 KB Output is correct
12 Correct 95 ms 50696 KB Output is correct
13 Correct 594 ms 84100 KB Output is correct
14 Correct 609 ms 83612 KB Output is correct
15 Correct 452 ms 77220 KB Output is correct
16 Correct 464 ms 73632 KB Output is correct
17 Correct 480 ms 79772 KB Output is correct
18 Correct 131 ms 53188 KB Output is correct
19 Correct 640 ms 83872 KB Output is correct
20 Correct 651 ms 83992 KB Output is correct
21 Correct 667 ms 83388 KB Output is correct
22 Correct 319 ms 73088 KB Output is correct
23 Correct 236 ms 65132 KB Output is correct
24 Correct 111 ms 50584 KB Output is correct

Subtask #4
57.0 / 57.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 28764 KB Output is correct
2 Correct 11 ms 28508 KB Output is correct
3 Correct 12 ms 28660 KB Output is correct
4 Correct 12 ms 28504 KB Output is correct
5 Correct 11 ms 28508 KB Output is correct
6 Correct 11 ms 28604 KB Output is correct
7 Correct 25 ms 30312 KB Output is correct
8 Correct 23 ms 30428 KB Output is correct
9 Correct 22 ms 30448 KB Output is correct
10 Correct 20 ms 29912 KB Output is correct
11 Correct 21 ms 30172 KB Output is correct
12 Correct 21 ms 29404 KB Output is correct
13 Correct 25 ms 30172 KB Output is correct
14 Correct 29 ms 30172 KB Output is correct
15 Correct 21 ms 30172 KB Output is correct
16 Correct 19 ms 29912 KB Output is correct
17 Correct 19 ms 29916 KB Output is correct
18 Correct 14 ms 29248 KB Output is correct
19 Correct 425 ms 76888 KB Output is correct
20 Correct 385 ms 77212 KB Output is correct
21 Correct 401 ms 77156 KB Output is correct
22 Correct 227 ms 65540 KB Output is correct
23 Correct 329 ms 74092 KB Output is correct
24 Correct 144 ms 52884 KB Output is correct
25 Correct 392 ms 77056 KB Output is correct
26 Correct 405 ms 77056 KB Output is correct
27 Correct 383 ms 75668 KB Output is correct
28 Correct 288 ms 73316 KB Output is correct
29 Correct 210 ms 65180 KB Output is correct
30 Correct 95 ms 50696 KB Output is correct
31 Correct 594 ms 84100 KB Output is correct
32 Correct 609 ms 83612 KB Output is correct
33 Correct 452 ms 77220 KB Output is correct
34 Correct 464 ms 73632 KB Output is correct
35 Correct 480 ms 79772 KB Output is correct
36 Correct 131 ms 53188 KB Output is correct
37 Correct 640 ms 83872 KB Output is correct
38 Correct 651 ms 83992 KB Output is correct
39 Correct 667 ms 83388 KB Output is correct
40 Correct 319 ms 73088 KB Output is correct
41 Correct 236 ms 65132 KB Output is correct
42 Correct 111 ms 50584 KB Output is correct
43 Correct 829 ms 96632 KB Output is correct
44 Correct 808 ms 96696 KB Output is correct
45 Correct 813 ms 97604 KB Output is correct
46 Correct 628 ms 82616 KB Output is correct
47 Correct 631 ms 94112 KB Output is correct
48 Correct 154 ms 53728 KB Output is correct
49 Correct 768 ms 96548 KB Output is correct
50 Correct 770 ms 97952 KB Output is correct
51 Correct 772 ms 99188 KB Output is correct
52 Correct 542 ms 92060 KB Output is correct
53 Correct 235 ms 66980 KB Output is correct