Submission #862117

#	Time	Username	Problem	Language	Result	Execution time	Memory
862117		Hanksburger	Stone Arranging 2 (JOI23_ho_t1)	C++17	100 / 100	147 ms	15308 KiB

Main

#include <bits/stdc++.h>
using namespace std;
vector<pair<int, int> > vec;
map<int, int> mp;
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int n;
    cin >> n;
    for (int i=1; i<=n; i++)
    {
        int x;
        cin >> x;
        if (mp[x])
        {
            int sum=0;
            while (vec.back().first!=x)
            {
                sum+=vec.back().second;
                mp[vec.back().first]--;
                vec.pop_back();
            }
            vec.back().second+=sum+1;
        }
        else
        {
            vec.push_back({x, 1});
            mp[x]++;
        }
    }
    for (int i=0; i<vec.size(); i++)
        for (int j=0; j<vec[i].second; j++)
            cout << vec[i].first << '\n';
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:33:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |     for (int i=0; i<vec.size(); i++)
      |                   ~^~~~~~~~~~~

• Subtask 1: 25 / 25
• Subtask 2: 35 / 35
• Subtask 3: 40 / 40