Submission #884046

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
884046	2023-12-06 14:58:02	vjudge1	Bubble Sort 2 (JOI18_bubblesort2)	C++17	38 / 100	6260 ms	1180 KiB

bubblesort2

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#include <bits/stdc++.h>
//#include "bubblesort2"
using namespace std;
int aint[8000 * 4 + 5];
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]);
}
vector<int> countScans(vector<int> a, vector<int> x, vector<int> v)
{
    int rez = 0;
    int n = a.size();
    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);
 
 
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Compilation message (stderr)

bubblesort2.cpp: In function 'std::vector<int> countScans(std::vector<int>, std::vector<int>, std::vector<int>)':
bubblesort2.cpp:25:9: warning: unused variable 'rez' [-Wunused-variable]
   25 |     int rez = 0;
      |         ^~~

• Subtask 1: 17 / 17
• Subtask 2: 21 / 21
• Subtask 3: 0 / 22
• Subtask 4: 0 / 40