Submission #565895

#	Time	Username	Problem	Language	Result	Execution time	Memory
565895		n0sk1ll	Rail (IOI14_rail)	C++14	30 / 100	73 ms	3340 KiB

rail

#include "rail.h"
#include <bits/stdc++.h>

using namespace std;
long long int typedef li;

int dist[5003][5003];

int d(int i, int j)
{
    if (i>j) swap(i,j);
    if (!dist[i][j]) dist[i][j]=getDistance(i,j);
    return dist[i][j];
}

void findLocation(int n, int first, int location[], int stype[])
{
    location[0]=first,stype[0]=1;

    int koji=-1,sta=1e9;
    for (int i=1;i<n;i++) if (d(0,i)<sta) koji=i,sta=d(0,i);
    location[koji]=first+d(0,koji),stype[koji]=2;
    int second=location[koji];

    for (int i=1;i<n;i++) if (i!=koji)
    {
        int a=d(0,i);
        int b=d(koji,i);
        if (a<b)
        {
            stype[i]=2;
            location[i]=a+first;
        }
        else
        {
            stype[i]=1;
            location[i]=second-b;
        }

    }
}

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