Submission #802173

#	Time	Username	Problem	Language	Result	Execution time	Memory
802173		caganyanmaz	Towns (IOI15_towns)	C++17	13 / 100	17 ms	392 KiB

towns

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


constexpr static int INF = 2e9;
constexpr static int MXSIZE = 110;

int n;
int dist[MXSIZE][MXSIZE];

int get_dist(int i, int j)
{
        return dist[max(i, j)][min(i, j)];
}
int hubDistance(int N, int sub)
{
        n = N;
        for (int i = 0; i < n; i++)
                for (int j = i+1; j < n; j++)
                        dist[j][i] = getDistance(i, j);
        int a = 0, b = 0;
        for (int i = 0; i < n; i++)
                for (int j = i+1; j < n; j++)
                        if (get_dist(i, j) > get_dist(a, b))
                                a = i, b = j;
        int r = INF;
        for (int i = 0; i < n; i++)
        {
                int da = get_dist(i, a);
                int db = get_dist(i, b);
                int dc = (da + db - get_dist(a, b)) / 2;
                r = min(r, max(da - dc, db - dc));
        }
        return r;
}

Compilation message (stderr)

towns.cpp: In function 'int hubDistance(int, int)':
towns.cpp:16:28: warning: unused parameter 'sub' [-Wunused-parameter]
   16 | int hubDistance(int N, int sub)
      |                        ~~~~^~~

• Subtask 1: 13 / 13
• Subtask 2: 0 / 12
• Subtask 3: 0 / 13
• Subtask 4: 0 / 10
• Subtask 5: 0 / 13
• Subtask 6: 0 / 39