Submission #1013570

#	Time	Username	Problem	Language	Result	Execution time	Memory
1013570		vjudge1	Bubble Sort 2 (JOI18_bubblesort2)	C++17	17 / 100	9062 ms	1600 KiB

bubblesort2

#include <bits/stdc++.h>
#define mod 1000000007LL
#define inf 1e17
#define ll long long
using namespace std;

void printvec(vector<int> vec)
{
    for (auto &&e : vec)
    {
        cout << e << ' ';
    }
    cout << endl;
}

vector<int> countScans(vector<int> a, vector<int> x, vector<int> v)
{
    vector<int> s;
    for (int j = 0; j < x.size(); j++)
    {
    a[x[j]] = v[j];
    vector<int> a_sorted = a;
    sort(a_sorted.begin(), a_sorted.end());
    // for (auto& e:a_sorted) cout << e << ' ';
    // cout << endl;
    map<ll,ll> ind;
    for (int i = 0; i < a.size(); i++)
    {
        ind[a_sorted[i]] = i;
    }
    ll maxe = 0;
    for (int i = 0; i < a.size(); i++)
    {
        if(i > ind[a[i]])
        {
            maxe = max(maxe, i - ind[a[i]]);
        }
    }
    s.push_back(maxe);
    }
    return s;
}

Compilation message (stderr)

bubblesort2.cpp: In function 'std::vector<int> countScans(std::vector<int>, std::vector<int>, std::vector<int>)':
bubblesort2.cpp:19:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |     for (int j = 0; j < x.size(); j++)
      |                     ~~^~~~~~~~~~
bubblesort2.cpp:27:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |     for (int i = 0; i < a.size(); i++)
      |                     ~~^~~~~~~~~~
bubblesort2.cpp:32:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |     for (int i = 0; i < a.size(); i++)
      |                     ~~^~~~~~~~~~

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