Submission #46518

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
46518	2018-04-21 09:30:50	RayaBurong25_1	Rail (IOI14_rail)	C++17	30 / 100	201 ms	99092 KiB

rail

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#include "rail.h"
#include <map>
#include <set>
#define INF 1000000007
int Dist[5005][5005];
int leftU[5005];
bool operator<(std::pair<int, int> a, std::pair<int, int> b)
{
    return (a.first < b.first || (a.first == b.first && a.second < b.second));
}
void findLocation(int N, int first, int location[], int stype[])
{
    int i, j;
    for (i = 0; i < N; i++)
    {
        for (j = 0; j < N; j++)
        {
            if (i == j)
                Dist[i][j] = 0;
            else
                Dist[i][j] = -1;
        }
    }
    location[0] = first;
    stype[0] = 1;
    int u, ud = INF;
    for (i = 0; i < N; i++)
    {
        if (Dist[0][i] == -1)
        {
 
 
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Compilation message (stderr)

rail.cpp: In function 'void findLocation(int, int, int*, int*)':
rail.cpp:81:23: warning: 'u' may be used uninitialized in this function [-Wmaybe-uninitialized]
         d = (Dist[u][v] + Dist[v][it->second] - Dist[u][it->second])/2;
              ~~~~~~~~~^

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