Submission #599891

#	Time	Username	Problem	Language	Result	Execution time	Memory
599891		starchan	Baloni (COCI15_baloni)	C++17	100 / 100	1072 ms	59448 KiB

baloni

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define in pair<int, int>
#define f first
#define s second
#define pb push_back
#define pob pop_back
#define INF (int)1e17
#define MX (int)3e5+5
#define fast() ios_base::sync_with_stdio(false); cin.tie(NULL)
set<in> cool;
signed main()
{
	fast();
	int n;
	cin >> n;
	for(int i = 1; i <= n; i++)
	{
		int x;
		cin >> x;
		cool.insert({-x, i});
	}
	int ans = 0;
	while(cool.size())
	{
		ans++;
		in fine = *cool.begin();
		int curr = fine.f;
		int index = fine.s;
		cool.erase(cool.begin());
		while(true)
		{
			if(cool.empty())
				break;
			auto it = cool.lower_bound({curr+1, index});
			if(it == cool.end())
				break;
			if((*it).f == curr+1)
			{
				curr = (*it).f;
				index = (*it).s;
				cool.erase(it);
			}
			else
				break;
		}
	}
	cout << ans;
	return 0;
}	

• Subtask 1: 100 / 100