Submission #293683

#	Time	Username	Problem	Language	Result	Execution time	Memory
293683		VodkaInTheJar	Roller Coaster Railroad (IOI16_railroad)	C++14	0 / 100	214 ms	29824 KiB

railroad

#include <bits/stdc++.h>
#include "railroad.h"
 
using namespace std;

const long long inf = 1e18;

long long plan_roller_coaster(vector <int> s, vector <int> t)
{
	int n = (int)s.size();
	
	long long ans = inf; 
	for (int i = 0; i < n; i++)
	{
		multiset <pair <int, int> > se;
		for (int j = 0; j < n; j++)
		if (j != i)
		se.insert({s[j], t[j]});
		
		long long curr_ans = 0;
		int curr_t = t[i];
		while (!s.empty())
		{
			auto it = se.lower_bound({curr_t, 0});
			if (it == se.end())
			it--;
			
			curr_ans += max(0, curr_t - it->first);
			curr_t = it->second;
			se.erase(it);
		}
		
		ans = min(ans, curr_ans);
	}
	
	return ans; 
}

• Subtask 1: 0 / 11
• Subtask 2: 0 / 23
• Subtask 3: 0 / 30
• Subtask 4: 0 / 36