Submission #120632

#	Time	Username	Problem	Language	Result	Execution time	Memory
120632		roseanne_pcy	Rail (IOI14_rail)	C++14	30 / 100	69 ms	504 KiB

rail

#include "rail.h"
#include <bits/stdc++.h>
#pragma GCC optimize ("O3")
#pragma GCC target ("sse4")
using namespace std;
#define X first
#define Y second
#define pb push_back
typedef pair<int, int> ii;
typedef long long ll;

int n;

void findLocation(int N, int first, int location[], int stype[])
{
	n = N;
	location[0] = first;
	stype[0] = 1;
	ii best = {1e9, -1};
	for(int i = 1; i< N; i++)
	{
		best = min(best, {getDistance(0, i), i});
	}
	int v = best.Y;
	int x = best.X;
	location[v] = first+x;
	stype[v] = 2;
	for(int i = 1; i< N; i++)
	{
		if(i == v) continue;
		int xp = getDistance(0, i);
		int det = getDistance(v, i);
		if(det> xp)
		{
			location[i] = first+xp;
			stype[i] = 2;
		}
		else
		{
			location[i] = first-xp+2*x;
			stype[i] = 1;
		}
	}
}

• Subtask 1: 8 / 8
• Subtask 2: 22 / 22
• Subtask 3: 0 / 26
• Subtask 4: 0 / 44