| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 1064251 | MarwenElarbi | Thousands Islands (IOI22_islands) | C++17 | Compilation error | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "islands.h"
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define ll long long
#define fi first
#define se second
vector<int> adj[405];
std::variant<bool, std::vector<int>> find_journey(
int N, int M, std::vector<int> U, std::vector<int> V) {
vector<int> a;
vector<int> b;
for (int i = 0; i < M; ++i)
{
(U[i]==0 ? a : b).pb(i);
adj[U[i]].pb({V[i],i});
}
if(a.size()>=2&&b.size()>=1){
if(N==2) return vector<int> ({a[0],b[0],a[1],a[0],b[0],a[1]});
else{
int x=adj[0][0].fi;
int y=adj[0][1].fi;
int c,d;
for(auto u:adj[x]) if(u.fi==0) c=u.se;
for(auto u:adj[y]) if(u.fi==0) d=u.se;
return vector<int> ({adj[0][0].se,c,adj[0][1].se,d,c,adj[0][0].se,d,adj[0][1].se});
}
}
return false;
}
Compilation message (stderr)
islands.cpp: In function 'std::variant<bool, std::vector<int, std::allocator<int> > > find_journey(int, int, std::vector<int>, std::vector<int>)':
islands.cpp:16:26: error: no matching function for call to 'std::vector<int>::push_back(<brace-enclosed initializer list>)'
16 | adj[U[i]].pb({V[i],i});
| ^
In file included from /usr/include/c++/10/vector:67,
from islands.h:2,
from islands.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:1187:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]'
1187 | push_back(const value_type& __x)
| ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1187:35: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const value_type&' {aka 'const int&'}
1187 | push_back(const value_type& __x)
| ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_vector.h:1203:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]'
1203 | push_back(value_type&& __x)
| ^~~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:1203:30: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::vector<int>::value_type&&' {aka 'int&&'}
1203 | push_back(value_type&& __x)
| ~~~~~~~~~~~~~^~~
islands.cpp:6:12: error: request for member 'first' in 'adj[0].std::vector<int>::operator[](0)', which is of non-class type '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'}
6 | #define fi first
| ^~~~~
islands.cpp:21:23: note: in expansion of macro 'fi'
21 | int x=adj[0][0].fi;
| ^~
islands.cpp:6:12: error: request for member 'first' in 'adj[0].std::vector<int>::operator[](1)', which is of non-class type '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'}
6 | #define fi first
| ^~~~~
islands.cpp:22:23: note: in expansion of macro 'fi'
22 | int y=adj[0][1].fi;
| ^~
islands.cpp:6:12: error: request for member 'first' in 'u', which is of non-class type 'int'
6 | #define fi first
| ^~~~~
islands.cpp:24:31: note: in expansion of macro 'fi'
24 | for(auto u:adj[x]) if(u.fi==0) c=u.se;
| ^~
islands.cpp:7:12: error: request for member 'second' in 'u', which is of non-class type 'int'
7 | #define se second
| ^~~~~~
islands.cpp:24:42: note: in expansion of macro 'se'
24 | for(auto u:adj[x]) if(u.fi==0) c=u.se;
| ^~
islands.cpp:6:12: error: request for member 'first' in 'u', which is of non-class type 'int'
6 | #define fi first
| ^~~~~
islands.cpp:25:31: note: in expansion of macro 'fi'
25 | for(auto u:adj[y]) if(u.fi==0) d=u.se;
| ^~
islands.cpp:7:12: error: request for member 'second' in 'u', which is of non-class type 'int'
7 | #define se second
| ^~~~~~
islands.cpp:25:42: note: in expansion of macro 'se'
25 | for(auto u:adj[y]) if(u.fi==0) d=u.se;
| ^~
islands.cpp:7:12: error: request for member 'second' in 'adj[0].std::vector<int>::operator[](0)', which is of non-class type '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'}
7 | #define se second
| ^~~~~~
islands.cpp:26:38: note: in expansion of macro 'se'
26 | return vector<int> ({adj[0][0].se,c,adj[0][1].se,d,c,adj[0][0].se,d,adj[0][1].se});
| ^~
islands.cpp:7:12: error: request for member 'second' in 'adj[0].std::vector<int>::operator[](1)', which is of non-class type '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'}
7 | #define se second
| ^~~~~~
islands.cpp:26:53: note: in expansion of macro 'se'
26 | return vector<int> ({adj[0][0].se,c,adj[0][1].se,d,c,adj[0][0].se,d,adj[0][1].se});
| ^~
islands.cpp:7:12: error: request for member 'second' in 'adj[0].std::vector<int>::operator[](0)', which is of non-class type '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'}
7 | #define se second
| ^~~~~~
islands.cpp:26:70: note: in expansion of macro 'se'
26 | return vector<int> ({adj[0][0].se,c,adj[0][1].se,d,c,adj[0][0].se,d,adj[0][1].se});
| ^~
islands.cpp:7:12: error: request for member 'second' in 'adj[0].std::vector<int>::operator[](1)', which is of non-class type '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'}
7 | #define se second
| ^~~~~~
islands.cpp:26:85: note: in expansion of macro 'se'
26 | return vector<int> ({adj[0][0].se,c,adj[0][1].se,d,c,adj[0][0].se,d,adj[0][1].se});
| ^~
islands.cpp:26:88: error: no matching function for call to 'std::vector<int>::vector(<brace-enclosed initializer list>)'
26 | return vector<int> ({adj[0][0].se,c,adj[0][1].se,d,c,adj[0][0].se,d,adj[0][1].se});
| ^
In file included from /usr/include/c++/10/vector:67,
from islands.h:2,
from islands.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:653:2: note: candidate: 'template<class _InputIterator, class> std::vector<_Tp, _Alloc>::vector(_InputIterator, _InputIterator, const allocator_type&) [with _InputIterator = _InputIterator; <template-parameter-2-2> = <template-parameter-1-2>; _Tp = int; _Alloc = std::allocator<int>]'
653 | vector(_InputIterator __first, _InputIterator __last,
| ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:653:2: note: template argument deduction/substitution failed:
islands.cpp:26:88: note: candidate expects 3 arguments, 1 provided
26 | return vector<int> ({adj[0][0].se,c,adj[0][1].se,d,c,adj[0][0].se,d,adj[0][1].se});
| ^
In file included from /usr/include/c++/10/vector:67,
from islands.h:2,
from islands.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:625:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::initializer_list<_Tp>, const allocator_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<int>]'
625 | vector(initializer_list<value_type> __l,
| ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:625:43: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::initializer_list<int>'
625 | vector(initializer_list<value_type> __l,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_vector.h:607:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&, const allocator_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<int>]'
607 | vector(vector&& __rv, const allocator_type& __m)
| ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:607:7: note: candidate expects 2 arguments, 1 provided
/usr/include/c++/10/bits/stl_vector.h:589:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&, const allocator_type&, std::false_type) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<int>; std::false_type = std::integral_constant<bool, false>]'
589 | vector(vector&& __rv, const allocator_type& __m, false_type)
| ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:589:7: note: candidate expects 3 arguments, 1 provided
/usr/include/c++/10/bits/stl_vector.h:585:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&, const allocator_type&, std::true_type) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<int>; std::true_type = std::integral_constant<bool, true>]'
585 | vector(vector&& __rv, const allocator_type& __m, true_type) noexcept
| ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:585:7: note: candidate expects 3 arguments, 1 provided
/usr/include/c++/10/bits/stl_vector.h:575:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(const std::vector<_Tp, _Alloc>&, const allocator_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<int>]'
575 | vector(const vector& __x, const allocator_type& __a)
| ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:575:7: note: candidate expects 2 arguments, 1 provided
/usr/include/c++/10/bits/stl_vector.h:572:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&) [with _Tp = int; _Alloc = std::allocator<int>]'
572 | vector(vector&&) noexcept = default;
| ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:572:14: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::vector<int>&&'
572 | vector(vector&&) noexcept = default;
| ^~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:553:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(const std::vector<_Tp, _Alloc>&) [with _Tp = int; _Alloc = std::allocator<int>]'
553 | vector(const vector& __x)
| ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:553:28: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const std::vector<int>&'
553 | vector(const vector& __x)
| ~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_vector.h:522:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>::size_type, const value_type&, const allocator_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::size_type = long unsigned int; std::vector<_Tp, _Alloc>::value_type = int; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<int>]'
522 | vector(size_type __n, const value_type& __value,
| ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:522:7: note: candidate expects 3 arguments, 1 provided
/usr/include/c++/10/bits/stl_vector.h:510:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>::size_type, const allocator_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::size_type = long unsigned int; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<int>]'
510 | vector(size_type __n, const allocator_type& __a = allocator_type())
| ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:510:24: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::vector<int>::size_type' {aka 'long unsigned int'}
510 | vector(size_type __n, const allocator_type& __a = allocator_type())
| ~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_vector.h:497:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(const allocator_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<int>]'
497 | vector(const allocator_type& __a) _GLIBCXX_NOEXCEPT
| ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:497:36: note: no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const allocator_type&' {aka 'const std::allocator<int>&'}
497 | vector(const allocator_type& __a) _GLIBCXX_NOEXCEPT
| ~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_vector.h:487:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector() [with _Tp = int; _Alloc = std::allocator<int>]'
487 | vector() = default;
| ^~~~~~
/usr/include/c++/10/bits/stl_vector.h:487:7: note: candidate expects 0 arguments, 1 provided