| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 392994 | 2021-04-22T13:51:33 Z | REALITYNB | Stations (IOI20_stations) | C++14 | Compilation error |
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;
|