| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 1079817 | HD1 | Counting Mushrooms (IOI20_mushrooms) | C++14 | 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.
```c++
#include "mushrooms.h"
#include <vector>
#include <iostream>
using namespace std;
int count_mushrooms(int n) {
if(n < 100){
int res = 1;
for(int i = 2; i <= n;i++){
int ans = use_machine({0,i-1});
res += 1 - ans;
}
return res;
}
int k = -1,mini = 1e9;
for(int i = 1; i < n; i++){
int v = 2*i + ( n - (2*i + 1 ) +i)/(i+1);
if(mini > v) mini = v, k = i;
}
bool isA = true;
vector<int> A,B;
A.push_back(1);
for(int i = 2; i <= 3;i++){
int ans = use_machine({0,i-1});
if(ans == 0) A.push_back(i);
else B.push_back(i);
}
int x,y, go = true;
if(B.size() > A.size()) x = B[0], y = B[1], go = false;
else x = A[0], y = A[1];
for(int i = 4; i <= 2*k+2;i+=2){
int ans = use_machine({i-1,y,i,x});
if(!go){
if( ans == 0) B.push_back(i), B.push_back(i+1);
else if( ans == 1) A.push_back(i), B.push_back(i+1);
else if( ans == 2) B.push_back(i), A.push_back(i+1);
else A.push_back(i), A.push_back(i+1);
}
else{
if( ans == 3) B.push_back(i), B.push_back(i+1);
else if( ans == 2) A.push_back(i), B.push_back(i+1);
else if( ans == 1) B.push_back(i), A.push_back(i+1);
else A.push_back(i), A.push_back(i+1);
}
}
int res = A.size();
if(B.size() > A.size()) swap(A,B), isA = false;
for(int i = 1; i <= ( n - (2*k + 1 ) +k)/(k+1); i++){
int ini = 2*k+2 + (i-1)*(k+1) ;
int fin = min(n+1, 2*k+2 + (i)*(k+1));
vector<int> q;
for(int j = ini; j < fin; j++){
q.push_back(j-1);
q.push_back(A[j-ini]-1);
}
int ans = use_machine(q);
if(ans&1) ans = 1 + ans/2;
else ans = ans/2;
res += ( isA ? fin-ini-ans : ans);
}
return res;
}
```
Compilation message (stderr)
mushrooms.cpp:1:1: error: stray '`' in program
1 | ```c++
| ^
mushrooms.cpp:1:2: error: stray '`' in program
1 | ```c++
| ^
mushrooms.cpp:1:3: error: stray '`' in program
1 | ```c++
| ^
mushrooms.cpp:72:1: error: stray '`' in program
72 | ```
| ^
mushrooms.cpp:72:2: error: stray '`' in program
72 | ```
| ^
mushrooms.cpp:72:3: error: stray '`' in program
72 | ```
| ^
mushrooms.cpp:1:4: error: 'c' does not name a type
1 | ```c++
| ^
In file included from /usr/include/c++/10/bits/stl_algobase.h:62,
from /usr/include/c++/10/vector:60,
from mushrooms.h:1,
from mushrooms.cpp:2:
/usr/include/c++/10/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++/10/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++/10/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++/10/bits/move.h:57,
from /usr/include/c++/10/bits/stl_pair.h:59,
from /usr/include/c++/10/bits/stl_algobase.h:64,
from /usr/include/c++/10/vector:60,
from mushrooms.h:1,
from mushrooms.cpp:2:
/usr/include/c++/10/type_traits:200:27: error: 'size_t' has not been declared
200 | template <typename _Tp, size_t = sizeof(_Tp)>
| ^~~~~~
/usr/include/c++/10/type_traits:402:31: error: 'std::size_t' has not been declared
402 | template<typename _Tp, std::size_t _Size>
| ^~~~~~
/usr/include/c++/10/type_traits:403:25: error: '_Size' was not declared in this scope
403 | struct is_array<_Tp[_Size]>
| ^~~~~
/usr/include/c++/10/type_traits:403:31: error: template argument 1 is invalid
403 | struct is_array<_Tp[_Size]>
| ^
/usr/include/c++/10/type_traits:508:42: error: 'nullptr_t' is not a member of 'std'
508 | struct __is_null_pointer_helper<std::nullptr_t>
| ^~~~~~~~~
/usr/include/c++/10/type_traits:508:42: error: 'nullptr_t' is not a member of 'std'
/usr/include/c++/10/type_traits:508:51: error: template argument 1 is invalid
508 | struct __is_null_pointer_helper<std::nullptr_t>
| ^
/usr/include/c++/10/type_traits:984:26: error: 'size_t' has not been declared
984 | template<typename _Tp, size_t _Num>
| ^~~~~~
/usr/include/c++/10/type_traits:985:49: error: '_Num' was not declared in this scope
985 | struct __is_nt_constructible_impl<true, _Tp[_Num]>
| ^~~~
/usr/include/c++/10/type_traits:985:54: error: template argument 2 is invalid
985 | struct __is_nt_constructible_impl<true, _Tp[_Num]>
| ^
/usr/include/c++/10/type_traits:1351:37: error: 'size_t' is not a member of 'std'
1351 | : public integral_constant<std::size_t, alignof(_Tp)>
| ^~~~~~
/usr/include/c++/10/type_traits:1351:37: error: 'size_t' is not a member of 'std'
/usr/include/c++/10/type_traits:1351:57: error: template argument 1 is invalid
1351 | : public integral_constant<std::size_t, alignof(_Tp)>
| ^
/usr/include/c++/10/type_traits:1351:57: note: invalid template non-type parameter
/usr/include/c++/10/type_traits:1360:37: error: 'size_t' is not a member of 'std'
1360 | : public integral_constant<std::size_t, 0> { };
| ^~~~~~
/usr/include/c++/10/type_traits:1360:37: error: 'size_t' is not a member of 'std'
/usr/include/c++/10/type_traits:1360:46: error: template argument 1 is invalid
1360 | : public integral_constant<std::size_t, 0> { };
| ^
/usr/include/c++/10/type_traits:1360:46: note: invalid template non-type parameter
/usr/include/c++/10/type_traits:1362:31: error: 'std::size_t' has not been declared
1362 | template<typename _Tp, std::size_t _Size>
| ^~~~~~
/usr/include/c++/10/type_traits:1363:21: error: '_Size' was not declared in this scope
1363 | struct rank<_Tp[_Size]>
| ^~~~~
/usr/include/c++/10/type_traits:1363:27: error: template argument 1 is invalid
1363 | struct rank<_Tp[_Size]>
| ^
/usr/include/c++/10/type_traits:1364:37: error: 'size_t' is not a member of 'std'
1364 | : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
| ^~~~~~
/usr/include/c++/10/type_traits:1364:37: error: 'size_t' is not a member of 'std'
/usr/include/c++/10/type_traits:1364:65: error: template argument 1 is invalid
1364 | : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
| ^
/usr/include/c++/10/type_traits:1364:65: note: invalid template non-type parameter
/usr/include/c++/10/type_traits:1368:37: error: 'size_t' is not a member of 'std'
1368 | : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
| ^~~~~~
/usr/include/c++/10/type_traits:1368:37: error: 'size_t' is not a member of 'std'
/usr/include/c++/10/type_traits:1368:65: error: template argument 1 is invalid
1368 | : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
| ^
/usr/include/c++/10/type_traits:1368:65: note: invalid template non-type parameter
/usr/include/c++/10/type_traits:1373:37: error: 'size_t' is not a member of 'std'
1373 | : public integral_constant<std::size_t, 0> { };
| ^~~~~~
/usr/include/c++/10/type_traits:1373:37: error: 'size_t' is not a member of 'std'
/usr/include/c++/10/type_traits:1373:46: error: template argument 1 is invalid
1373 | : public integral_constant<std::size_t, 0> { };
| ^
/usr/include/c++/10/type_traits:1373:46: note: invalid template non-type parameter
/usr/include/c++/10/type_traits:1375:47: error: 'std::size_t' has not been declared
1375 | template<typename _Tp, unsigned _Uint, std::size_t _Size>
| ^~~~~~
/usr/include/c++/10/type_traits:1376:23: error: '_Size' was not declared in this scope
1376 | struct extent<_Tp[_Size], _Uint>
| ^~~~~
/usr/include/c++/10/type_traits:1376:36: error: template argument 1 is invalid
1376 | struct extent<_Tp[_Size], _Uint>
| ^
/usr/include/c++/10/type_traits:1377:37: error: 'size_t' is not a member of 'std'
1377 | : public integral_constant<std::size_t,
| ^~~~~~
/usr/include/c++/10/type_traits:1377:37: error: 'size_t' is not a member of 'std'
/usr/include/c++/10/type_traits:1378:24: error: '_Size' was not declared in this scope
1378 | _Uint == 0 ? _Size : extent<_Tp,
| ^~~~~
/usr/include/c++/10/type_traits:1379:28: error: template argument 1 is invalid
1379 | _Uint - 1>::value>
| ^
/usr/include/c++/10/type_traits:1379:28: note: invalid template non-type parameter
/usr/include/c++/10/type_traits:1384:37: error: 'size_t' is not a member of 'std'
1384 | : public integral_constant<std::size_t,
| ^~~~~~
/usr/include/c++/10/type_traits:1384:37: error: 'size_t' is not a member of 'std'
/usr/include/c++/10/type_traits:1386:31: error: template argument 1 is invalid
1386 | _Uint - 1>::value>
| ^
/usr/include/c++/10/type_traits:1386:31: note: invalid template non-type parameter
/usr/include/c++/10/type_traits:1753:26: error: 'size_t' does not name a type
1753 | { static constexpr size_t __size = sizeof(_Tp); };
| ^~~~~~
In file included from /usr/include/c++/10/bits/move.h:57,
from /usr/include/c++/10/bits/stl_pair.h:59,
from /usr/include/c++/10/bits/stl_algobase.h:64,
from /usr/include/c++/10/vector:60,
from mushrooms.h:1,
from mushrooms.cpp:2:
/usr/include/c++/10/type_traits:1:1: note: 'size_t' is defined in header '<cstddef>'; did you forget to '#include <cstddef>'?
+++ |+#include <cstddef>
1 | // C++11 <type_traits> -*- C++ -*-
In file included from /usr/include/c++/10/bits/move.h:57,
from /usr/include/c++/10/bits/stl_pair.h:59,
from /usr/include/c++/10/bits/stl_algobase.h:64,
from /usr/include/c++/10/vector:60,
from mushrooms.h:1,
from mushrooms.cpp:2:
/usr/include/c++/10/type_traits:1755:14: error: 'size_t' has not been declared
1755 | template<size_t _Sz, typename _Tp, bool = (_Sz <= _Tp::__size)>
| ^~~~~~
/usr/include/c++/10/type_traits:1755:48: error: '_Sz' was not declared in this scope
1755 | template<size_t _Sz, typename _Tp, bool = (_Sz <= _Tp::__size)>
| ^~~
/usr/include/c++/10/type_traits:1756:14: error: no default argument for '_Tp'
1756 | struct __select;
| ^~~~~~~~
/usr/include/c++/10/type_traits:1758:14: error: 'size_t' has not been declared
1758 | template<size_t _Sz, typename _Uint, typename... _UInts>
| ^~~~~~
/usr/include/c++/10/type_traits:1759:23: error: '_Sz' was not declared in this scope
1759 | struct __select<_Sz, _List<_Uint, _UInts...>, true>
| ^~~
/usr/include/c++/10/type_traits:1759:57: error: template argument 1 is invalid
1759 | struct __select<_Sz, _List<_Uint, _UInts...>, true>
| ^
/usr/include/c++/10/type_traits:1762:14: error: 'size_t' has not been declared
1762 | template<size_t _Sz, typename _Uint, typename... _UInts>
| ^~~~~~
/usr/include/c++/10/type_traits:1763:23: error: '_Sz' was not declared in this scope
1763 | struct __select<_Sz, _List<_Uint, _UInts...>, false>
| ^~~
/usr/include/c++/10/type_traits:1763:58: error: template argument 1 is invalid
1763 | struct __select<_Sz, _List<_Uint, _UInts...>, false>
| ^
/usr/include/c++/10/type_traits:1764:18: error: '_Sz' was not declared in this scope
1764 | : __select<_Sz, _List<_UInts...>>
| ^~~
/usr/include/c++/10/type_traits:1764:38: error: template argument 1 is invalid
1764 | : __select<_Sz, _List<_UInts...>>
| ^~
/usr/include/c++/10/type_traits:1755:60: error: '__size' is not a member of 'std::__make_unsigned_selector_base::_List<unsigned char, short unsigned int, unsigned int, long unsigned int, long long unsigned int>'
1755 | template<size_t _Sz, typename _Tp, bool = (_Sz <= _Tp::__size)>
| ^~~~~~
/usr/include/c++/10/type_traits:1777:68: error: template argument 3 is invalid
1777 | using __unsigned_type = typename __select<sizeof(_Tp), _UInts>::__type;
| ^
/usr/include/c++/10/type_traits:1781:40: error: '__unsigned_type' was not declared in this scope
1781 | = typename __match_cv_qualifiers<_Tp, __unsigned_type>::__type;
| ^~~~~~~~~~~~~~~
/usr/include/c++/10/type_traits:1781:55: error: template argument 2 is invalid
1781 | = typename __match_cv_qualifiers<_Tp, __unsigned_type>::__type;
| ^
/usr/include/c++/10/type_traits:1793:61: error: '__type' in 'class std::__make_unsigned_selector<wchar_t, false, true>' does not name a type
1793 | = typename __make_unsigned_selector<wchar_t, false, true>::__type;
| ^~~~~~
/usr/include/c++/10/type_traits:1810:62: error: '__type' in 'class std::__make_unsigned_selector<char16_t, false, true>' does not name a type
1810 | = typename __make_unsigned_selector<char16_t, false, true>::__type;
| ^~~~~~
/usr/include/c++/10/type_traits:1817:62: error: '__type' in 'class std::__make_unsigned_selector<char32_t, false, true>' does not name a type
1817 | = typename __make_unsigned_selector<char32_t, false, true>::__type;
| ^~~~~~
/usr/include/c++/10/type_traits: In instantiation of 'class std::__make_unsigned_selector<wchar_t, true, false>':
/usr/include/c++/10/type_traits:1904:62: required from 'class std::__make_signed_selector<wchar_t, false, true>'
/usr/include/c++/10/type_traits:1919:57: required from here
/usr/include/c++/10/type_traits:1738:13: error: no type named '__type' in 'struct std::__make_unsigned<wchar_t>'
1738 | using __unsigned_type
| ^~~~~~~~~~~~~~~
/usr/include/c++/10/type_traits:1742:13: error: no type named '__type' in 'struct std::__make_unsigned<wchar_t>'
1742 | using __type
| ^~~~~~
/usr/include/c++/10/type_traits:1919:59: error: invalid combination of multiple type-specifiers
1919 | = typename __make_signed_selector<wchar_t, false, true>::__type;
| ^~~~~~
/usr/include/c++/10/type_traits: In instantiation of 'class std::__make_unsigned_selector<char16_t, true, false>':
/usr/include/c++/10/type_traits:1904:62: required from 'class std::__make_signed_selector<char16_t, false, true>'
/usr/include/c++/10/type_traits:1936:58: required from here
/usr/include/c++/10/type_traits:1738:13: error: no type named '__type' in 'struct std::__make_unsigned<char16_t>'
1738 | using __unsigned_type
| ^~~~~~~~~~~~~~~
/usr/include/c++/10/type_traits:1742:13: error: no type named '__type' in 'struct std::__make_unsigned<char16_t>'
1742 | using __type
| ^~~~~~
/usr/include/c++/10/type_traits:1936:60: error: invalid combination of multiple type-specifiers
1936 | = typename __make_signed_selector<char16_t, false, true>::__type;
| ^~~~~~
/usr/include/c++/10/type_traits: In instantiation of 'class std::__make_unsigned_selector<char32_t, true, false>':
/usr/include/c++/10/type_traits:1904:62: required from 'class std::__make_signed_selector<char32_t, false, true>'
/usr/include/c++/10/type_traits:1943:58: required from here
/usr/include/c++/10/type_traits:1738:13: error: no type named '__type' in 'struct std::__make_unsigned<char32_t>'
1738 | using __unsigned_type
| ^~~~~~~~~~~~~~~
/usr/include/c++/10/type_traits:1742:13: error: no type named '__type' in 'struct std::__make_unsigned<char32_t>'
1742 | using __type
| ^~~~~~
/usr/include/c++/10/type_traits:1943:60: error: invalid combination of multiple type-specifiers
1943 | = typename __make_signed_selector<char32_t, false, true>::__type;
| ^~~~~~
/usr/include/c++/10/type_traits:1975:31: error: 'std::size_t' has not been declared
1975 | template<typename _Tp, std::size_t _Size>
| ^~~~~~
/usr/include/c++/10/type_traits:1976:30: error: '_Size' was not declared in this scope
1976 | struct remove_extent<_Tp[_Size]>
| ^~~~~
/usr/include/c++/10/type_traits:1976:36: error: template argument 1 is invalid
1976 | struct remove_extent<_Tp[_Size]>
| ^
/usr/include/c++/10/type_traits:1988:31: error: 'std::size_t' has not been declared
1988 | template<typename _Tp, std::size_t _Size>
| ^~~~~~
/usr/include/c++/10/type_traits:1989:35: error: '_Size' was not declared in this scope
1989 | struct remove_all_extents<_Tp[_Size]>
| ^~~~~
/usr/include/c++/10/type_traits:1989:41: error: template argument 1 is invalid
1989 | struct remove_all_extents<_Tp[_Size]>
| ^
/usr/include/c++/10/type_traits:2047:17: error: 'std::size_t' has not been declared
2047 | template<std::size_t _Len>
| ^~~~~~
/usr/include/c++/10/type_traits:2052:23: error: '_Len' was not declared in this scope
2052 | unsigned char __data[_Len];
| ^~~~
/usr/include/c++/10/type_traits:2067:17: error: 'std::size_t' has not been declared
2067 | template<std::size_t _Len, std::size_t _Align =
| ^~~~~~
/usr/include/c++/10/type_traits:2067:35: error: 'std::size_t' has not been declared
2067 | template<std::size_t _Len, std::size_t _Align =
| ^~~~~~
/usr/include/c++/10/type_traits:2068:48: error: '_Len' was not declared in this scope
2068 | __alignof__(typename __aligned_storage_msa<_Len>::__type)>
| ^~~~
/usr/include/c++/10/type_traits:2068:52: error: template argument 1 is invalid
2068 | __alignof__(typename __aligned_storage_msa<_Len>::__type)>
| ^
/usr/include/c++/10/type_traits:2073:23: error: '_Len' was not declared in this scope
2073 | unsigned char __data[_Len];
| ^~~~
/usr/include/c++/10/type_traits:2074:37: error: '_Align' was not declared in this scope
2074 | struct __attribute__((__aligned__((_Align)))) { } __align;
| ^~~~~~
/usr/include/c++/10/type_traits:2081:20: error: 'size_t' does not name a type
2081 | static const size_t _S_alignment = 0;
| ^~~~~~
/usr/include/c++/10/type_traits:2081:20: note: 'size_t' is defined in header '<cstddef>'; did you forget to '#include <cstddef>'?
/usr/include/c++/10/type_traits:2082:20: error: 'size_t' does not name a type
2082 | static const size_t _S_size = 0;
| ^~~~~~
/usr/include/c++/10/type_traits:2082:20: note: 'size_t' is defined in header '<cstddef>'; did you forget to '#include <cstddef>'?
/usr/include/c++/10/type_traits:2088:20: error: 'size_t' does not name a type
2088 | static const size_t _S_alignment =
| ^~~~~~
/usr/include/c++/10/type_traits:2088:20: note: 'size_t' is defined in header '<cstddef>'; did you forget to '#include <cstddef>'?
/usr/include/c++/10/type_traits:2091:20: error: 'size_t