Submission #139102

#	Time	Username	Problem	Language	Result	Execution time	Memory
139102		ibrahim001	Rail (IOI14_rail)	C++14	30 / 100	84 ms	500 KiB

rail

#include "rail.h"
#include <bits/stdc++.h>
#define intt long long
#define pb push_back
#define F first
#define S second
#define endl '\n'
using namespace std;
const int inf = 1e9;
void findLocation(int N, int first, int location[], int stype[])
{
    int n = N;
    location[0]=first;
    stype[0]=1;
    if ( N == 1 )
        return;
    int best,minn=inf;
    for ( int i = 1; i < n; i++ )
    {
        int k = getDistance(0,i);
        if ( k < minn )
        {
            minn = k;
            best = i;
        }
    }
    stype[best] = 2;
    location[best] = first+minn;
    for ( int i = 1; i < n; i++ )
    {
        if ( i == best )
            continue;
        int k1=getDistance(0,i),k2=getDistance(best,i);
        if ( k1 < k2 )
        {
            stype[i] = 2;
            location[i] = first+k1;
        }
        else
        {
            stype[i] = 1;
            location[i] = location[best]-k2;
        }
    }
}

Compilation message (stderr)

rail.cpp: In function 'void findLocation(int, int, int*, int*)':
rail.cpp:27:15: warning: 'best' may be used uninitialized in this function [-Wmaybe-uninitialized]
     stype[best] = 2;
               ^

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