Submission #114546

#	Time	Username	Problem	Language	Result	Execution time	Memory
114546		ly20	Roller Coaster Railroad (IOI16_railroad)	C++14	0 / 100	83 ms	5680 KiB

railroad

#include<bits/stdc++.h>
using namespace std;
#include "railroad.h"
const int MAXN=212345;
vector<pair<int,int> > v;
long long plan_roller_coaster(vector<int> e,vector<int> s)
{
	int n=e.size();
	for(int i=0;i<n;i++)
	{
		v.push_back(make_pair(e[i],s[i]));	
	}
	sort(v.begin(),v.end());
	long long resp=0,rsp=0;
	for(int i=0;i<n;i++)
	{
		int id=i+1;
		id%=n;
		rsp+=v[i].second-v[id].first;
	}
	resp=rsp;
	for(int i=0;i<n;i++)
	{
		int id=i+1;
		id%=n;
		long long k=v[i].second-v[id].first;
		resp=min(rsp-k,resp);
	}
	return resp;
}

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