oj.uz

Submission #884076

# Submission time Handle Problem Language Result Execution time Memory
884076 2023-12-06T15:31:19 Z vjudge1 Bubble Sort 2 (JOI18_bubblesort2) C++17
38 / 100
 6267 ms 109640 KB 
#include <bits/stdc++.h>
#define int long long

using namespace std;

int aint[8000 * 4 + 5];
int ain2[50000 * 4 + 2][102];
int lazy[50000 * 4 + 2][102];
const int INF = 1e9;

void update(int nod, int st, int dr, int poz, int val)
{
    if(st == dr)
    {
        aint[nod] += val;
        return;
    }

    int mij = (st + dr) / 2;
    if(poz <= mij) update(nod * 2, st, mij, poz, val);
    else update(nod * 2 + 1, mij + 1, dr, poz, val);
    aint[nod] = max(aint[nod * 2], aint[nod * 2 + 1]);
}

void propagate(int nod, int id)
{
    ain2[nod * 2][id] += lazy[nod][id];
    ain2[nod * 2 + 1][id] += lazy[nod][id];
    lazy[nod * 2][id] += lazy[nod][id];
    lazy[nod * 2 + 1][id] += lazy[nod][id];
    lazy[nod][id] = 0;
}

void update2(int nod, int st, int dr, int le, int ri, int val, int id)
{
    if(le > ri)
        return;

    if(st == le && dr == ri)
    {
        ain2[nod][id] += val;
        lazy[nod][id] += val;
        return;
    }

    propagate(nod, id);
    int mij = (st + dr) / 2;
    update2(nod * 2, st, mij, le, min(ri, mij), val, id);
    update2(nod * 2 + 1, mij + 1, dr, max(le, mij + 1), ri, val, id);
    ain2[nod][id] = max(ain2[nod * 2][id], ain2[nod * 2 + 1][id]);
}


vector<int32_t> countScans(vector<int32_t> a, vector<int32_t> x, vector<int32_t> v)
{
    int n = a.size();
    int q = x.size();
    if(n <= 8000 && q <= 8000)
    {
        int rez = 0;
        for(int i = 0; i < n; i++)
            for(int j = i - 1; j >= 0; j--)
                if(a[j] > a[i])
                    update(1, 1, n, i + 1, 1);
        vector<int32_t> fin;
        for(int i = 0; i < q; i++)
        {
            //cout<<rez<<" zzzz\n";
            for(int j = x[i] + 1; j < n; j++)
            {
                if(a[x[i]] > a[j])
                    update(1, 1, n, j + 1, -1);
                if(v[i] > a[j])
                    update(1, 1, n, j + 1, 1);
            }

            for(int j = x[i] - 1; j >= 0; j--)
            {
                if(a[j] > a[x[i]])
                    update(1, 1, n, x[i] + 1, -1);
                if(a[j] > v[i])
                    update(1, 1, n, x[i] + 1, 1);
            }

            a[x[i]] = v[i];
            fin.push_back(aint[1]);
        }

        return fin;
    }
    else
    {
        for(int i = 1; i <= 100; i++)
            update2(1, 1, n, 1, n, -INF, i);

        for(int i = 0; i < n; i++)
        {
            update2(1, 1, n, i + 1, i + 1, INF, a[i]);
            for(int val = a[i] - 1; val >= 1; val--)
            {
                update2(1, 1, n, i + 2, n, 1, val);
            }
        }

        vector<int32_t> fin;
        for(int i = 0; i < q; i++)
        {
            update2(1, 1, n, x[i] + 1, x[i] + 1, -INF, a[x[i]]);
            update2(1, 1, n, x[i] + 1, x[i] + 1, INF, v[i]);
            for(int val = a[x[i]] - 1; val >= 1; val--)
            {
                update2(1, 1, n, x[i] + 2, n, -1, val);
            }

            for(int val = v[i] - 1; val >= 1; val--)
            {
                update2(1, 1, n, x[i] + 2, n, 1, val);
            }

            int rez = 0;
            for(int j = 1; j <= 100; j++)
                rez = max(rez, ain2[1][j]);
            fin.push_back(rez);
        }

        return fin;
    }

}

/*int main()
{
    int n;
    cin>>n;
    vector<int> read;
    for(int i = 1; i <= n; i++)
    {
        int a;
        cin>>a;
        read.push_back(a);
    }

    vector<int> q1, q2;
    int q;
    cin>>q;
    for(int i = 1; i <= q; i++)
    {
        int a, b;
        cin>>a>>b;
        q1.push_back(a);
        q2.push_back(b);
    }

    vector<int> rez = countScans(read, q1, q2);
    for(auto it : rez)
        cout<<it<<'\n';
    return 0;
}*/

Compilation message

bubblesort2.cpp: In function 'std::vector<int> countScans(std::vector<int>, std::vector<int>, std::vector<int>)':
bubblesort2.cpp:60:13: warning: unused variable 'rez' [-Wunused-variable]
   60 |         int rez = 0;
      |             ^~~

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 344 KB Output is correct
2 Correct 39 ms 348 KB Output is correct
3 Correct 276 ms 504 KB Output is correct
4 Correct 269 ms 524 KB Output is correct
5 Correct 138 ms 524 KB Output is correct
6 Correct 131 ms 344 KB Output is correct
7 Correct 142 ms 344 KB Output is correct
8 Correct 140 ms 508 KB Output is correct
9 Correct 140 ms 516 KB Output is correct
10 Correct 327 ms 516 KB Output is correct
11 Correct 330 ms 520 KB Output is correct
12 Correct 331 ms 344 KB Output is correct
13 Correct 292 ms 512 KB Output is correct
14 Correct 290 ms 348 KB Output is correct
15 Correct 293 ms 772 KB Output is correct
16 Correct 241 ms 516 KB Output is correct
17 Correct 247 ms 496 KB Output is correct
18 Correct 244 ms 508 KB Output is correct

Subtask #2
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 344 KB Output is correct
2 Correct 39 ms 348 KB Output is correct
3 Correct 276 ms 504 KB Output is correct
4 Correct 269 ms 524 KB Output is correct
5 Correct 138 ms 524 KB Output is correct
6 Correct 131 ms 344 KB Output is correct
7 Correct 142 ms 344 KB Output is correct
8 Correct 140 ms 508 KB Output is correct
9 Correct 140 ms 516 KB Output is correct
10 Correct 327 ms 516 KB Output is correct
11 Correct 330 ms 520 KB Output is correct
12 Correct 331 ms 344 KB Output is correct
13 Correct 292 ms 512 KB Output is correct
14 Correct 290 ms 348 KB Output is correct
15 Correct 293 ms 772 KB Output is correct
16 Correct 241 ms 516 KB Output is correct
17 Correct 247 ms 496 KB Output is correct
18 Correct 244 ms 508 KB Output is correct
19 Correct 3912 ms 868 KB Output is correct
20 Correct 5080 ms 1264 KB Output is correct
21 Correct 2603 ms 1052 KB Output is correct
22 Correct 2581 ms 1108 KB Output is correct
23 Correct 6267 ms 800 KB Output is correct
24 Correct 6234 ms 784 KB Output is correct
25 Correct 5490 ms 944 KB Output is correct
26 Correct 5484 ms 1124 KB Output is correct
27 Correct 4758 ms 1120 KB Output is correct
28 Correct 4729 ms 760 KB Output is correct

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Incorrect 295 ms 109640 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 344 KB Output is correct
2 Correct 39 ms 348 KB Output is correct
3 Correct 276 ms 504 KB Output is correct
4 Correct 269 ms 524 KB Output is correct
5 Correct 138 ms 524 KB Output is correct
6 Correct 131 ms 344 KB Output is correct
7 Correct 142 ms 344 KB Output is correct
8 Correct 140 ms 508 KB Output is correct
9 Correct 140 ms 516 KB Output is correct
10 Correct 327 ms 516 KB Output is correct
11 Correct 330 ms 520 KB Output is correct
12 Correct 331 ms 344 KB Output is correct
13 Correct 292 ms 512 KB Output is correct
14 Correct 290 ms 348 KB Output is correct
15 Correct 293 ms 772 KB Output is correct
16 Correct 241 ms 516 KB Output is correct
17 Correct 247 ms 496 KB Output is correct
18 Correct 244 ms 508 KB Output is correct
19 Correct 3912 ms 868 KB Output is correct
20 Correct 5080 ms 1264 KB Output is correct
21 Correct 2603 ms 1052 KB Output is correct
22 Correct 2581 ms 1108 KB Output is correct
23 Correct 6267 ms 800 KB Output is correct
24 Correct 6234 ms 784 KB Output is correct
25 Correct 5490 ms 944 KB Output is correct
26 Correct 5484 ms 1124 KB Output is correct
27 Correct 4758 ms 1120 KB Output is correct
28 Correct 4729 ms 760 KB Output is correct
29 Incorrect 295 ms 109640 KB Output isn't correct
30 Halted 0 ms 0 KB -