Submission #1043313

#	Time	Username	Problem	Language	Result	Execution time	Memory
1043313		deera	Rail (IOI14_rail)	C++14	30 / 100	32 ms	600 KiB

rail

// ioi 2014 
// Day 1: Rail

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

void findLocation(int N, int first, int location[], int stype[])
{
    // we always know the type and location of the first station
    location[0] = first;
    stype[0] = 1;

    vector<int> dist; // distance from 0
    int closest = INT_MAX;
    int station = 0;
    dist.push_back(0);
    for (int i = 1; i < N; i++)
    {
        int d = getDistance(0, i);
        if (d < closest) {
            station = i;
            closest = d;
        }
        dist.push_back(d);
    }

    closest += first;

    stype[station] = 2;
    location[station] = closest;

    for (int i = 1; i < N; i++)
    {
        if (i == station) {
            continue;
        }

        int d = getDistance(station, i);

        if (d < dist[i])
        {
            stype[i] = 1;
            location[i] = closest - d;
        }
        else
        {
            stype[i] = 2;
            location[i] = first + dist[i];
        }
    }
    
}

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