제출 #916371

#제출 시각아이디문제언어결과실행 시간메모리
916371biank철로 (IOI14_rail)C++14
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> using namespace std; #define ALL(x) x.begin(),x.end() #define forn(i,n) for(int i=0;i<int(n);i++) #define forsn(i,s,n) for(int i=int(s);i<int(n);i++) #define fst first #define snd second typedef pair<int,int> ii; const int C = 1, D = 2; void findLocation(int n, int first, int loc[], int stype[]) { vector<ii> p(n); forsn(i,1,n) p[i]={getDistance(0,i),i}; sort(ALL(p)); set<ii> Cs, Ds; for(auto [d0,i]:p) { if(Cs.empty()) { loc[i]=first; stype[i]=C; Cs.insert((ii){loc[i],i}); continue; } int minC = Cs.begin()->snd; if(Ds.empty()) { loc[i]=loc[minC]+d0; stype[i]=D; Ds.insert((ii){loc[i],i}); continue; } int maxD = Ds.rbegin()->snd; int distItoC = getDistance(i,minC); int distItoD = getDistance(maxD,i); loc[i] = loc[minC] + distItoC; int target = (loc[i] + loc[maxD] - distItoD)/2; auto it = Cs.lower_bound((ii){target,0}); if(it != Cs.end() && loc[i] - it->fst + loc[maxD] - it->fst == distItoD) { stype[i] = D; Ds.insert((ii){loc[i],i}); continue; } loc[i] = loc[maxD] - distItoD; target = (distItoC + loc[i] + loc[minC])/2; it = Ds.lower_bound((ii){target,0}); if(it != Ds.end() && it->fst - loc[i] + it->fst - loc[minC] == distItoC) { stype[i] = C; Cs.insert((ii){loc[i],i}); continue; } assert(false); } }

컴파일 시 표준 에러 (stderr) 메시지

rail.cpp: In function 'void findLocation(int, int, int*, int*)':
rail.cpp:14:24: error: 'getDistance' was not declared in this scope
   14 |     forsn(i,1,n) p[i]={getDistance(0,i),i};
      |                        ^~~~~~~~~~~
rail.cpp:14:42: error: no match for 'operator=' (operand types are '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'std::pair<int, int>'} and '<brace-enclosed initializer list>')
   14 |     forsn(i,1,n) p[i]={getDistance(0,i),i};
      |                                          ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:64,
                 from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from rail.cpp:1:
/usr/include/c++/10/bits/stl_pair.h:390:7: note: candidate: 'std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(typename std::conditional<std::__and_<std::is_copy_assignable<_T1>, std::is_copy_assignable<_T2> >::value, const std::pair<_T1, _T2>&, const std::__nonesuch&>::type) [with _T1 = int; _T2 = int; typename std::conditional<std::__and_<std::is_copy_assignable<_T1>, std::is_copy_assignable<_T2> >::value, const std::pair<_T1, _T2>&, const std::__nonesuch&>::type = const std::pair<int, int>&]'
  390 |       operator=(typename conditional<
      |       ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:393:41: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::conditional<true, const std::pair<int, int>&, const std::__nonesuch&>::type' {aka 'const std::pair<int, int>&'}
  390 |       operator=(typename conditional<
      |                 ~~~~~~~~~~~~~~~~~~~~~    
  391 |   __and_<is_copy_assignable<_T1>,
      |   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~        
  392 |          is_copy_assignable<_T2>>::value,
      |          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  393 |   const pair&, const __nonesuch&>::type __p)
      |   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_pair.h:401:7: note: candidate: 'std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(typename std::conditional<std::__and_<std::is_move_assignable<_Tp>, std::is_move_assignable<_T2> >::value, std::pair<_T1, _T2>&&, std::__nonesuch&&>::type) [with _T1 = int; _T2 = int; typename std::conditional<std::__and_<std::is_move_assignable<_Tp>, std::is_move_assignable<_T2> >::value, std::pair<_T1, _T2>&&, std::__nonesuch&&>::type = std::pair<int, int>&&]'
  401 |       operator=(typename conditional<
      |       ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:404:31: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::conditional<true, std::pair<int, int>&&, std::__nonesuch&&>::type' {aka 'std::pair<int, int>&&'}
  401 |       operator=(typename conditional<
      |                 ~~~~~~~~~~~~~~~~~~~~~
  402 |   __and_<is_move_assignable<_T1>,
      |   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  403 |          is_move_assignable<_T2>>::value,
      |          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  404 |   pair&&, __nonesuch&&>::type __p)
      |   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_pair.h:418:2: note: candidate: 'template<class _U1, class _U2> typename std::enable_if<std::__and_<std::is_assignable<_T1&, const _U1&>, std::is_assignable<_T2&, const _U2&> >::value, std::pair<_T1, _T2>&>::type std::pair<_T1, _T2>::operator=(const std::pair<_U1, _U2>&) [with _U1 = _U1; _U2 = _U2; _T1 = int; _T2 = int]'
  418 |  operator=(const pair<_U1, _U2>& __p)
      |  ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:418:2: note:   template argument deduction/substitution failed:
rail.cpp:14:42: note:   couldn't deduce template parameter '_U1'
   14 |     forsn(i,1,n) p[i]={getDistance(0,i),i};
      |                                          ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:64,
                 from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from rail.cpp:1:
/usr/include/c++/10/bits/stl_pair.h:430:2: note: candidate: 'template<class _U1, class _U2> typename std::enable_if<std::__and_<std::is_assignable<_T1&, _U1&&>, std::is_assignable<_T2&, _U2&&> >::value, std::pair<_T1, _T2>&>::type std::pair<_T1, _T2>::operator=(std::pair<_U1, _U2>&&) [with _U1 = _U1; _U2 = _U2; _T1 = int; _T2 = int]'
  430 |  operator=(pair<_U1, _U2>&& __p)
      |  ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:430:2: note:   template argument deduction/substitution failed:
rail.cpp:14:42: note:   couldn't deduce template parameter '_U1'
   14 |     forsn(i,1,n) p[i]={getDistance(0,i),i};
      |                                          ^
rail.cpp:17:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   17 |     for(auto [d0,i]:p) {
      |              ^
rail.cpp:32:24: error: 'getDistance' was not declared in this scope
   32 |         int distItoC = getDistance(i,minC);
      |                        ^~~~~~~~~~~