Submission #1216628

#	Time	Username	Problem	Language	Result	Execution time	Memory
1216628		JooDdae	Towns (IOI15_towns)	C++20	Compilation error	0 ms	0 KiB

towns

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

int hubDistance(int N, int sub) {
    vector<vector<int>> D(N, vector<int>(N, 0));
    for(int i=1;i<N;i++) D[0][i] = D[0][i] = getDistance(0, i);
    int E = max_element(D[0].begin(), D[0].end()) - D[0].begin();
    for(int i=0;i<N;i++) if(i != E) D[E][i] = D[i][E] = getDistance(E, i);
    int X = max_element(D[E].begin(), D[E].end()) - D[E].begin();

    vector<int> C(N, 0);
    for(int i=1;i<N;i++) if(i != E) C[i] = (D[E][i]+D[0][E] - D[0][i])/2;

    int R = 0;
    for(int i=1;i<N;i++) if(i != E) R = max(R, max(C[i], D[E][X]-C[i]));
	return R;
}

Compilation message (stderr)

towns.cpp: In function 'int hubDistance(int, int)':
towns.cpp:6:46: error: 'getDistance' was not declared in this scope; did you mean 'hubDistance'?
    6 |     for(int i=1;i<N;i++) D[0][i] = D[0][i] = getDistance(0, i);
      |                                              ^~~~~~~~~~~
      |                                              hubDistance
towns.cpp:8:57: error: 'getDistance' was not declared in this scope; did you mean 'hubDistance'?
    8 |     for(int i=0;i<N;i++) if(i != E) D[E][i] = D[i][E] = getDistance(E, i);
      |                                                         ^~~~~~~~~~~
      |                                                         hubDistance