답안 #392994

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
392994 2021-04-22T13:51:33 Z REALITYNB 기지국 (IOI20_stations) C++14
컴파일 오류
0 ms 0 KB
    stations

    #include <bits/stdc++.h> 
    #include "stations.h"
    #define pii pair<int,int> 
    #define in first 
    #define out second
    #define mp make_pair 
    using namespace std; 
     
    vector<int> label(int n ,int k , vector<int> u , vector<int> v){
    	vector<int> ans(n) ; 
    	vector<int> adj[n] ; 
    	for(int i=0;i<n-1;i++) {
    		adj[u[i]].push_back(v[i]) ; 
    		adj[v[i]].push_back(u[i]) ; 
    	}
    	int tim = 0 ; 
    	vector<int> inn(n) , outt(n) ; 
    	function<void(int,int)> dfs = [&](int a, int p){
    		inn[a]=tim++; 
    		for(int x :adj[a]){
    			if(x!=p){
    				dfs(x,a) ; 
    			}
    		}
    		outt[a]=tim++ ; 
    	}; 
    	dfs(0,0) ; 
    	for(int i=0;i<n;i++)
    		ans[i]=inn[i]+((outt[i])<<10);
    	return ans ; 
    }
    pii get(int x){
    	return mp(x%(1<<10),(x>>10)) ; 
    }
    bool ancestor(pii s, pii b){
    	return (s.in<=b.in&&b.out<=s.out); 
    }
    int find_next_station(int s ,int t, vector<int> ne){
    	pii ss = get(s) , tt = get(t) ; 
    	if(ancestor(ss,tt)^1){
    		for(int x : ne){
    			if(ancestor(get(x),ss)){
    				return x ; 
    			}
    		}
    	}
    	for(int x : ne){
    		if(ancestor(get(x),ss)^1 && ancestor(get(x),tt)){
    			return x ; 
    		}
    	}
    	if(s==t) return s ; 
    	return 1 ; 
    }

Compilation message

stations.cpp:2:5: error: 'stations' does not name a type; did you mean 'static'?
    2 |     stations
      |     ^~~~~~~~
      |     static
In file included from /usr/include/c++/9/cmath:43,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:41,
                 from stations.cpp:4:
/usr/include/c++/9/ext/type_traits.h:162:35: error: 'bool __gnu_cxx::__is_null_pointer' redeclared as different kind of entity
  162 |   __is_null_pointer(std::nullptr_t)
      |                                   ^
/usr/include/c++/9/ext/type_traits.h:157:5: note: previous declaration 'template<class _Type> bool __gnu_cxx::__is_null_pointer(_Type)'
  157 |     __is_null_pointer(_Type)
      |     ^~~~~~~~~~~~~~~~~
/usr/include/c++/9/ext/type_traits.h:162:26: error: 'nullptr_t' is not a member of 'std'
  162 |   __is_null_pointer(std::nullptr_t)
      |                          ^~~~~~~~~
In file included from /usr/include/c++/9/bits/exception_ptr.h:40,
                 from /usr/include/c++/9/exception:143,
                 from /usr/include/c++/9/ios:39,
                 from /usr/include/c++/9/istream:38,
                 from /usr/include/c++/9/sstream:38,
                 from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from stations.cpp:4:
/usr/include/c++/9/new:125:50: error: declaration of 'operator new' as non-function
  125 | _GLIBCXX_NODISCARD void* operator new(std::size_t) _GLIBCXX_THROW (std::bad_alloc)
      |                                                  ^
/usr/include/c++/9/new:125:44: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
  125 | _GLIBCXX_NODISCARD void* operator new(std::size_t) _GLIBCXX_THROW (std::bad_alloc)
      |                                            ^~~~~~
In file included from /usr/include/stdlib.h:31,
                 from /usr/include/c++/9/bits/std_abs.h:38,
                 from /usr/include/c++/9/cmath:47,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:41,
                 from stations.cpp:4:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:209:23: note: 'size_t' declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/9/bits/exception_ptr.h:40,
                 from /usr/include/c++/9/exception:143,
                 from /usr/include/c++/9/ios:39,
                 from /usr/include/c++/9/istream:38,
                 from /usr/include/c++/9/sstream:38,
                 from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from stations.cpp:4:
/usr/include/c++/9/new:126:41: error: attributes after parenthesized initializer ignored [-fpermissive]
  126 |   __attribute__((__externally_visible__));
      |                                         ^
/usr/include/c++/9/new:127:52: error: declaration of 'operator new []' as non-function
  127 | _GLIBCXX_NODISCARD void* operator new[](std::size_t) _GLIBCXX_THROW (std::bad_alloc)
      |                                                    ^
/usr/include/c++/9/new:127:46: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
  127 | _GLIBCXX_NODISCARD void* operator new[](std::size_t) _GLIBCXX_THROW (std::bad_alloc)
      |                                              ^~~~~~
In file included from /usr/include/stdlib.h:31,
                 from /usr/include/c++/9/bits/std_abs.h:38,
                 from /usr/include/c++/9/cmath:47,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:41,
                 from stations.cpp:4:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:209:23: note: 'size_t' declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/9/bits/exception_ptr.h:40,
                 from /usr/include/c++/9/exception:143,
                 from /usr/include/c++/9/ios:39,
                 from /usr/include/c++/9/istream:38,
                 from /usr/include/c++/9/sstream:38,
                 from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from stations.cpp:4:
/usr/include/c++/9/new:128:41: error: attributes after parenthesized initializer ignored [-fpermissive]
  128 |   __attribute__((__externally_visible__));
      |                                         ^
/usr/include/c++/9/new:134:34: error: 'std::size_t' has not been declared
  134 | void operator delete(void*, std::size_t) _GLIBCXX_USE_NOEXCEPT
      |                                  ^~~~~~
/usr/include/c++/9/new:136:36: error: 'std::size_t' has not been declared
  136 | void operator delete[](void*, std::size_t) _GLIBCXX_USE_NOEXCEPT
      |                                    ^~~~~~
/usr/include/c++/9/new:139:44: error: declaration of 'operator new' as non-function
  139 | _GLIBCXX_NODISCARD void* operator new(std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
      |                                            ^~~~~~
/usr/include/c++/9/new:139:44: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
In file included from /usr/include/stdlib.h:31,
                 from /usr/include/c++/9/bits/std_abs.h:38,
                 from /usr/include/c++/9/cmath:47,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:41,
                 from stations.cpp:4:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:209:23: note: 'size_t' declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/9/bits/exception_ptr.h:40,
                 from /usr/include/c++/9/exception:143,
                 from /usr/include/c++/9/ios:39,
                 from /usr/include/c++/9/istream:38,
                 from /usr/include/c++/9/sstream:38,
                 from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from stations.cpp:4:
/usr/include/c++/9/new:139:52: error: expected primary-expression before 'const'
  139 | _GLIBCXX_NODISCARD void* operator new(std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
      |                                                    ^~~~~
/usr/include/c++/9/new:141:46: error: declaration of 'operator new []' as non-function
  141 | _GLIBCXX_NODISCARD void* operator new[](std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
      |                                              ^~~~~~
/usr/include/c++/9/new:141:46: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
In file included from /usr/include/stdlib.h:31,
                 from /usr/include/c++/9/bits/std_abs.h:38,
                 from /usr/include/c++/9/cmath:47,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:41,
                 from stations.cpp:4:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:209:23: note: 'size_t' declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/9/bits/exception_ptr.h:40,
                 from /usr/include/c++/9/exception:143,
                 from /usr/include/c++/9/ios:39,
                 from /usr/include/c++/9/istream:38,
                 from /usr/include/c++/9/sstream:38,
                 from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from stations.cpp:4:
/usr/include/c++/9/new:141:54: error: expected primary-expression before 'const'
  141 | _GLIBCXX_NODISCARD void* operator new[](std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
      |                                                      ^~~~~
/usr/include/c++/9/new:173:51: error: declaration of 'operator new' as non-function
  173 | _GLIBCXX_NODISCARD inline void* operator new(std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
      |                                                   ^~~~~~
/usr/include/c++/9/new:173:51: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
In file included from /usr/include/stdlib.h:31,
                 from /usr/include/c++/9/bits/std_abs.h:38,
                 from /usr/include/c++/9/cmath:47,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:41,
                 from stations.cpp:4:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:209:23: note: 'size_t' declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/9/bits/exception_ptr.h:40,
                 from /usr/include/c++/9/exception:143,
                 from /usr/include/c++/9/ios:39,
                 from /usr/include/c++/9/istream:38,
                 from /usr/include/c++/9/sstream:38,
                 from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from stations.cpp:4:
/usr/include/c++/9/new:173:59: error: expected primary-expression before 'void'
  173 | _GLIBCXX_NODISCARD inline void* operator new(std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
      |                                                           ^~~~
/usr/include/c++/9/new:175:53: error: declaration of 'operator new []' as non-function
  175 | _GLIBCXX_NODISCARD inline void* operator new[](std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
      |                                                     ^~~~~~
/usr/include/c++/9/new:175:53: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
In file included from /usr/include/stdlib.h:31,
                 from /usr/include/c++/9/bits/std_abs.h:38,
                 from /usr/include/c++/9/cmath:47,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:41,
                 from stations.cpp:4:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:209:23: note: 'size_t' declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/9/bits/exception_ptr.h:40,
                 from /usr/include/c++/9/exception:143,
                 from /usr/include/c++/9/ios:39,
                 from /usr/include/c++/9/istream:38,
                 from /usr/include/c++/9/sstream:38,
                 from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from stations.cpp:4:
/usr/include/c++/9/new:175:61: error: expected primary-expression before 'void'
  175 | _GLIBCXX_NODISCARD inline void* operator new[](std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
      |                                                             ^~~~
In file included from /usr/include/c++/9/bits/move.h:55,
                 from /usr/include/c++/9/bits/nested_exception.h:40,
                 from /usr/include/c++/9/exception:144,
                 from /usr/include/c++/9/ios:39,
                 from /usr/include/c++/9/istream:38,
                 from /usr/include/c++/9/sstream:38,
                 from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from stations.cpp:4:
/usr/include/c++/9/type_traits:361:31: error: 'std::size_t' has not been declared
  361 |   template<typename _Tp, std::size_t _Size>
      |                               ^~~~~~
/usr/include/c++/9/type_traits:362:25: error: '_Size' was not declared in this scope
  362 |     struct is_array<_Tp[_Size]>
      |                         ^~~~~
/usr/include/c++/9/type_traits:362:31: error: template argument 1 is invalid
  362 |     struct is_array<_Tp[_Size]>
      |                               ^
/usr/include/c++/9/type_traits:560:42: error: 'nullptr_t' is not a member of 'std'; did you mean 'nullptr_t'?
  560 |     struct __is_null_pointer_helper<std::nullptr_t>
      |                                          ^~~~~~~~~
In file included from /usr/include/c++/9/cstddef:50,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:45,
                 from stations.cpp:4:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:433:29: note: 'nullptr_t' declared here
  433 |   typedef decltype(nullptr) nullptr_t;
      |                             ^~~~~~~~~
In file included from /usr/include/c++/9/bits/move.h:55,
                 from /usr/include/c++/9/bits/nested_exception.h:40,
                 from /usr/include/c++/9/exception:144,
                 from /usr/include/c++/9/ios:39,
                 from /usr/include/c++/9/istream:38,
                 from /usr/include/c++/9/sstream:38,
                 from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from stations.cpp:4:
/usr/include/c++/9/type_traits:560:42: error: 'nullptr_t' is not a member of 'std'; did you mean 'nullptr_t'?
  560 |     struct __is_null_pointer_helper<std::nullptr_t>
      |                                          ^~~~~~~~~
In file included from /usr/include/c++/9/cstddef:50,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:45,
                 from stations.cpp:4:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:433:29: note: 'nullptr_t' declared here
  433 |   typedef decltype(nullptr) nullptr_t;
      |                             ^~~~~~~~~
In file included from /usr/include/c++/9/bits/move.h:55,
                 from /usr/include/c++/9/bits/nested_exception.h:40,
                 from /usr/include/c++/9/exception:144,
                 from /usr/include/c++/9/ios:39,
                 from /usr/include/c++/9/istream:38,
                 from /usr/include/c++/9/sstream:38,
                 from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from stations.cpp:4:
/usr/include/c++/9/type_traits:560:51: error: template argument 1 is invalid
  560 |     struct __is_null_pointer_helper<std::nullptr_t>
      |                                                   ^
/usr/include/c++/9/type_traits:1253:37: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
 1253 |     : public integral_constant<std::size_t, alignof(_Tp)> { };
      |                                     ^~~~~~
In file included from /usr/include/stdlib.h:31,
                 from /usr/include/c++/9/bits/std_abs.h:38,
                 from /usr/include/c++/9/cmath:47,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:41,
                 from stations.cpp:4:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:209:23: note: 'size_t' declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/9/bits/move.h:55,
                 from /usr/include/c++/9/bits/nested_exception.h:40,
                 from /usr/include/c++/9/exception:144,
                 from /usr/include/c++/9/ios:39,
                 from /usr/include/c++/9/istream:38,
                 from /usr/include/c++/9/sstream:38,
                 from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from stations.cpp:4:
/usr/include/c++/9/type_traits:1253:37: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
 1253 |     : public integral_constant<std::size_t, alignof(_Tp)> { };
      |                                     ^~~~~~
In file included from /usr/include/stdlib.h:31,
                 from /usr/include/c++/9/bits/std_abs.h:38,
                 from /usr/include/c++/9/cmath:47,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:41,
                 from stations.cpp:4:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:209:23: note: 'size_t' declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/9/bits/move.h:55,
                 from /usr/include/c++/9/bits/nested_exception.h:40,
                 from /usr/include/c++/9/exception:144,
                 from /usr/include/c++/9/ios:39,
                 from /usr/include/c++/9/istream:38,
                 from /usr/include/c++/9/sstream:38,
                 from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from stations.cpp:4:
/usr/include/c++/9/type_traits:1253:57: error: template argument 1 is invalid
 1253 |     : public integral_constant<std::size_t, alignof(_Tp)> { };
      |                                                         ^
/usr/include/c++/9/type_traits:1253:57: note: invalid template non-type parameter
/usr/include/c++/9/type_traits:1258:37: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
 1258 |     : public integral_constant<std::size_t, 0> { };
      |                                     ^~~~~~
In file included from /usr/include/stdlib.h:31,
                 from /usr/include/c++/9/bits/std_abs.h:38,
                 from /usr/include/c++/9/cmath:47,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:41,
                 from stations.cpp:4:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:209:23: note: 'size_t' declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |                       ^~~~~~
In file included from /usr/include/c++/9/bits/move.h:55,
                 from /usr/include/c++/9/bits/nested_exception.h:40,
                 from /usr/include/c++/9/exception:144,
                 from /usr/include/c++/9/ios:39,
                 from /usr/include/c++/9/istream:38,
                 from /usr/include/c++/9/sstream:38,
                 from /usr/include/c++/9/complex:45,
                 from /usr/include/c++/9/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:54,
                 from stations.cpp:4:
/usr/include/c++/9/type_traits:1258:37: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
 1258 |     : public integral_constant<std::size_t, 0> { };
      |                                     ^~~~~~
In file included from /usr/include/stdlib.h:31,
                 from /usr/include/c++/9/bits/std_abs.h:38,
                 from /usr/include/c++/9/cmath:47,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:41,
                 from stations.cpp:4:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:209:23: note: 'size_t' declared here
  209 | typedef __SIZE_TYPE__ size_t;
      |