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Submission #802247

# Submission time Handle Problem Language Result Execution time Memory
802247 2023-08-02T11:15:17 Z caganyanmaz Towns (IOI15_towns) C++17
25 / 100
 14 ms 716 KB 
#include <bits/stdc++.h>
#include "towns.h"
using namespace std;


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

int n;
int jdist[MXSIZE];

int hubDistance(int N, int sub)
{
        n = N;
        int mxdist = 0;
        int j = 0;
        for (int i = 1; i < n; i++)
        {
                int val = getDistance(0, i);
                if (val > mxdist)
                {
                        j = i;
                        mxdist = val;
                }
        }
        int k = 0;
        jdist[0] = mxdist;
        for (int i = 1; i < n; i++)
        {
                if (i == j)
                        continue;
                int val = getDistance(i, j);
                jdist[i] = val;
                if (val > mxdist)
                {
                        k = i;
                        mxdist = val;
                }
        }
        int r = mxdist;
        for (int i = 0; i < n; i++)
        {
                if (i == j || i == k)
                        continue;
                int da = jdist[i];
                int db = getDistance(i, k);
                int change = (da + db - mxdist) / 2;
                r = min(r, max(da - change, db - change));
        }
        return r;
}

Compilation message

towns.cpp: In function 'int hubDistance(int, int)':
towns.cpp:12:28: warning: unused parameter 'sub' [-Wunused-parameter]
   12 | int hubDistance(int N, int sub)
      |                        ~~~~^~~

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 340 KB Output is correct
2 Correct 14 ms 344 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 13 ms 340 KB Output is correct
5 Correct 12 ms 348 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 340 KB Output is correct
2 Correct 9 ms 340 KB Output is correct
3 Correct 13 ms 616 KB Output is correct
4 Correct 14 ms 716 KB Output is correct

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 9 ms 352 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 11 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 9 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 39.0

# Verdict Execution time Memory Grader output
1 Incorrect 9 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -