Submission #990283

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
990283	2024-05-30T06:08:52 Z	starchan	Towns (IOI15_towns)	C++17	Compilation error	0 ms	0 KB

towns

#include<bits/stdc++.h>
//#include "towns.h"
using namespace std;
#define in array<int, 2>
#define pb push_back
#define pob pop_back

int hubDistance(int n, int sub)
{
	in opt = {0, 0};
	for(int i = 1; i < n; i++)
		opt = max(opt, {getDistance(i, 0), i});
	int a = opt[1]; opt = {0, a};
	vector<int> d1(n), d2(n); d1[a] = 0;
	for(int i = 0; i < n; i++)
	{
		if(i == a) continue;
		opt = max(opt, {d1[i] = getDistance(i, a), i});
	}
	auto [D, b] = opt; d2[b] = 0;
	map<int, vector<int>> diam; diam[0].pb(a); diam[D].pb(b);
	for(int i = 0; i < n; i++)
	{
		if(i == a || i == b)
			continue;
		d2[i] = getDistance(i, b);
		diam[(d1[i]-d2[i]+D)/2].pb(i);
	}
	int R = INF;
	for(auto [X, v]: diam)
		R = min(R, max(X, D-X));
	vector<vector<int>> gd;
	for(auto [X, v]: diam)
	{
		if(max(X, D-X) == R)
			gd.pb(v);
	}
	return R;
}	

Compilation message

towns.cpp: In function 'int hubDistance(int, int)':
towns.cpp:12:19: error: 'getDistance' was not declared in this scope; did you mean 'hubDistance'?
   12 |   opt = max(opt, {getDistance(i, 0), i});
      |                   ^~~~~~~~~~~
      |                   hubDistance
towns.cpp:12:40: error: no matching function for call to 'max(std::array<int, 2>&, <brace-enclosed initializer list>)'
   12 |   opt = max(opt, {getDistance(i, 0), i});
      |                                        ^
In file included from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from towns.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:254:5: note: candidate: 'constexpr const _Tp& std::max(const _Tp&, const _Tp&) [with _Tp = std::array<int, 2>]'
  254 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:254:36: note:   no known conversion for argument 2 from '<brace-enclosed initializer list>' to 'const std::array<int, 2>&'
  254 |     max(const _Tp& __a, const _Tp& __b)
      |                         ~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_algobase.h:300:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  300 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:300:5: note:   template argument deduction/substitution failed:
towns.cpp:12:40: note:   candidate expects 3 arguments, 2 provided
   12 |   opt = max(opt, {getDistance(i, 0), i});
      |                                        ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from towns.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3480:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)'
 3480 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3480:5: note:   template argument deduction/substitution failed:
towns.cpp:12:40: note:   'std::array<int, 2>' is not derived from 'std::initializer_list<_Tp>'
   12 |   opt = max(opt, {getDistance(i, 0), i});
      |                                        ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from towns.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3486:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)'
 3486 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3486:5: note:   template argument deduction/substitution failed:
towns.cpp:12:40: note:   'std::array<int, 2>' is not derived from 'std::initializer_list<_Tp>'
   12 |   opt = max(opt, {getDistance(i, 0), i});
      |                                        ^
towns.cpp:18:27: error: 'getDistance' was not declared in this scope; did you mean 'hubDistance'?
   18 |   opt = max(opt, {d1[i] = getDistance(i, a), i});
      |                           ^~~~~~~~~~~
      |                           hubDistance
towns.cpp:18:48: error: no matching function for call to 'max(std::array<int, 2>&, <brace-enclosed initializer list>)'
   18 |   opt = max(opt, {d1[i] = getDistance(i, a), i});
      |                                                ^
In file included from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from towns.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:254:5: note: candidate: 'constexpr const _Tp& std::max(const _Tp&, const _Tp&) [with _Tp = std::array<int, 2>]'
  254 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:254:36: note:   no known conversion for argument 2 from '<brace-enclosed initializer list>' to 'const std::array<int, 2>&'
  254 |     max(const _Tp& __a, const _Tp& __b)
      |                         ~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_algobase.h:300:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  300 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:300:5: note:   template argument deduction/substitution failed:
towns.cpp:18:48: note:   candidate expects 3 arguments, 2 provided
   18 |   opt = max(opt, {d1[i] = getDistance(i, a), i});
      |                                                ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from towns.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3480:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)'
 3480 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3480:5: note:   template argument deduction/substitution failed:
towns.cpp:18:48: note:   'std::array<int, 2>' is not derived from 'std::initializer_list<_Tp>'
   18 |   opt = max(opt, {d1[i] = getDistance(i, a), i});
      |                                                ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from towns.cpp:1:
/usr/include/c++/10/bits/stl_algo.h:3486:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)'
 3486 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3486:5: note:   template argument deduction/substitution failed:
towns.cpp:18:48: note:   'std::array<int, 2>' is not derived from 'std::initializer_list<_Tp>'
   18 |   opt = max(opt, {d1[i] = getDistance(i, a), i});
      |                                                ^
towns.cpp:26:11: error: 'getDistance' was not declared in this scope; did you mean 'hubDistance'?
   26 |   d2[i] = getDistance(i, b);
      |           ^~~~~~~~~~~
      |           hubDistance
towns.cpp:29:10: error: 'INF' was not declared in this scope
   29 |  int R = INF;
      |          ^~~
towns.cpp:8:28: warning: unused parameter 'sub' [-Wunused-parameter]
    8 | int hubDistance(int n, int sub)
      |                        ~~~~^~~