| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 1249151 | redacode | Dancing Elephants (IOI11_elephants) | C++20 | Compilation error | 0 ms | 0 KiB |
#include "elephants.h"
#include "bits/stdc++.h"
using namespace std;
int n;
int l;
bool cmp(pair<int, int>& a,
pair<int, int>& b)
{
return a.second < b.second;
}
set<pair<int, int> > A;
void sort_map(map<int, int>& M)
{
A.clear();
for (auto& it : M) {
A.push_back(it);
}
sort(A.begin(), A.end(), cmp);
}
map<int,int> pos;
void init(int N, int L, int X[])
{
n = N;
l =L;
for(int i=0;i<n;i++){
pos[i]=X[i];
A.insert({i,X[i]});
}
}
int update(int i, int y)
{
if(n==1){
return 1;
}
A.erase({i,pos[i]});
pos[i]=y;
A.insert({i,pos[i]});
//sort_map(pos);
int cnt =0;
int start = *A.begin();
for(auto&: it){
if(it.second-start>l){
start = it.second;
cnt++;
}
if(i==n-1) cnt++;
}
if(cnt==0)cnt++;
return cnt;
}
Compilation message (stderr)
elephants.cpp: In function 'void sort_map(std::map<int, int>&)':
elephants.cpp:18:11: error: 'class std::set<std::pair<int, int> >' has no member named 'push_back'
18 | A.push_back(it);
| ^~~~~~~~~
elephants.cpp: In function 'int update(int, int)':
elephants.cpp:49:16: error: cannot convert 'const std::pair<int, int>' to 'int' in initialization
49 | int start = *A.begin();
| ^~~~~~~~~~
| |
| const std::pair<int, int>
elephants.cpp:50:13: error: expected unqualified-id before ':' token
50 | for(auto&: it){
| ^
elephants.cpp:50:15: error: 'it' was not declared in this scope; did you mean 'i'?
50 | for(auto&: it){
| ^~
| i
In file included from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_algo.h: In instantiation of 'constexpr void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = std::_Rb_tree_const_iterator<std::pair<int, int> >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(std::pair<int, int>&, std::pair<int, int>&)>]':
/usr/include/c++/11/bits/stl_algo.h:4875:18: required from 'constexpr void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = std::_Rb_tree_const_iterator<std::pair<int, int> >; _Compare = bool (*)(std::pair<int, int>&, std::pair<int, int>&)]'
elephants.cpp:21:9: required from here
/usr/include/c++/11/bits/stl_algo.h:1955:50: error: no match for 'operator-' (operand types are 'std::_Rb_tree_const_iterator<std::pair<int, int> >' and 'std::_Rb_tree_const_iterator<std::pair<int, int> >')
1955 | std::__lg(__last - __first) * 2,
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/c++/11/bits/stl_algobase.h:67,
from /usr/include/c++/11/bits/specfun.h:45,
from /usr/include/c++/11/cmath:1935,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_iterator.h:577:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr decltype ((__y.base() - __x.base())) std::operator-(const std::reverse_iterator<_IteratorL>&, const std::reverse_iterator<_IteratorR>&)'
577 | operator-(const reverse_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/11/bits/stl_iterator.h:577:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_algo.h:1955:50: note: 'std::_Rb_tree_const_iterator<std::pair<int, int> >' is not derived from 'const std::reverse_iterator<_IteratorL>'
1955 | std::__lg(__last - __first) * 2,
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/c++/11/bits/stl_algobase.h:67,
from /usr/include/c++/11/bits/specfun.h:45,
from /usr/include/c++/11/cmath:1935,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_iterator.h:1693:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr decltype ((__x.base() - __y.base())) std::operator-(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)'
1693 | operator-(const move_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/11/bits/stl_iterator.h:1693:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_algo.h:1955:50: note: 'std::_Rb_tree_const_iterator<std::pair<int, int> >' is not derived from 'const std::move_iterator<_IteratorL>'
1955 | std::__lg(__last - __first) * 2,
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/complex:362:5: note: candidate: 'template<class _Tp> constexpr std::complex<_Tp> std::operator-(const std::complex<_Tp>&, const std::complex<_Tp>&)'
362 | operator-(const complex<_Tp>& __x, const complex<_Tp>& __y)
| ^~~~~~~~
/usr/include/c++/11/complex:362:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_algo.h:1955:50: note: 'std::_Rb_tree_const_iterator<std::pair<int, int> >' is not derived from 'const std::complex<_Tp>'
1955 | std::__lg(__last - __first) * 2,
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/complex:371:5: note: candidate: 'template<class _Tp> constexpr std::complex<_Tp> std::operator-(const std::complex<_Tp>&, const _Tp&)'
371 | operator-(const complex<_Tp>& __x, const _Tp& __y)
| ^~~~~~~~
/usr/include/c++/11/complex:371:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_algo.h:1955:50: note: 'std::_Rb_tree_const_iterator<std::pair<int, int> >' is not derived from 'const std::complex<_Tp>'
1955 | std::__lg(__last - __first) * 2,
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/complex:380:5: note: candidate: 'template<class _Tp> constexpr std::complex<_Tp> std::operator-(const _Tp&, const std::complex<_Tp>&)'
380 | operator-(const _Tp& __x, const complex<_Tp>& __y)
| ^~~~~~~~
/usr/include/c++/11/complex:380:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_algo.h:1955:50: note: 'std::_Rb_tree_const_iterator<std::pair<int, int> >' is not derived from 'const std::complex<_Tp>'
1955 | std::__lg(__last - __first) * 2,
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/complex:457:5: note: candidate: 'template<class _Tp> constexpr std::complex<_Tp> std::operator-(const std::complex<_Tp>&)'
457 | operator-(const complex<_Tp>& __x)
| ^~~~~~~~
/usr/include/c++/11/complex:457:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_algo.h:1955:50: note: 'std::_Rb_tree_const_iterator<std::pair<int, int> >' is not derived from 'const std::complex<_Tp>'
1955 | std::__lg(__last - __first) * 2,
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/c++/11/valarray:603,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
from elephants.cpp:2:
/usr/include/c++/11/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom1, class _Dom2> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&)'
406 | _DEFINE_EXPR_BINARY_OPERATOR(-, struct std::__minus)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/valarray_after.h:406:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_algo.h:1955:50: note: 'std::_Rb_tree_const_iterator<std::pair<int, int> >' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
1955 | std::__lg(__last - __first) * 2,
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/c++/11/valarray:603,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
from elephants.cpp:2:
/usr/include/c++/11/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)'
406 | _DEFINE_EXPR_BINARY_OPERATOR(-, struct std::__minus)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/valarray_after.h:406:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_algo.h:1955:50: note: 'std::_Rb_tree_const_iterator<std::pair<int, int> >' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
1955 | std::__lg(__last - __first) * 2,
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/c++/11/valarray:603,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
from elephants.cpp:2:
/usr/include/c++/11/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const typename _Dom::value_type&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)'
406 | _DEFINE_EXPR_BINARY_OPERATOR(-, struct std::__minus)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/valarray_after.h:406:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_algo.h:1955:50: note: 'std::_Rb_tree_const_iterator<std::pair<int, int> >' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
1955 | std::__lg(__last - __first) * 2,
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/c++/11/valarray:603,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
from elephants.cpp:2:
/usr/include/c++/11/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::valarray<typename _Dom::value_type>&)'
406 | _DEFINE_EXPR_BINARY_OPERATOR(-, struct std::__minus)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/valarray_after.h:406:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_algo.h:1955:50: note: 'std::_Rb_tree_const_iterator<std::pair<int, int> >' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
1955 | std::__lg(__last - __first) * 2,
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/c++/11/valarray:603,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
from elephants.cpp:2:
/usr/include/c++/11/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::valarray<typename _Dom::value_type>&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)'
406 | _DEFINE_EXPR_BINARY_OPERATOR(-, struct std::__minus)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/valarray_after.h:406:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_algo.h:1955:50: note: 'std::_Rb_tree_const_iterator<std::pair<int, int> >' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
1955 | std::__lg(__last - __first) * 2,
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
from elephants.cpp:2:
/usr/include/c++/11/valarray:1187:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__minus, std::_ValArray, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const std::valarray<_Tp>&, const std::valarray<_Tp>&)'
1187 | _DEFINE_BINARY_OPERATOR(-, __minus)
| ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/valarray:1187:1: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_algo.h:1955:50: note: 'std::_Rb_tree_const_iterator<std::pair<int, int> >' is not derived from 'const std::valarray<_Tp>'
1955 | std::__lg(__last - __first) * 2,
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
from elephants.cpp:2:
/usr/include/c++/11/valarray:1187:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__minus, std::_ValArray, std::_Constant, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const std::valarray<_Tp>&, const typename std::valarray<_Tp>::value_type&)'
1187 | _DEFINE_BINARY_OPERATOR(-, __minus)
| ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/valarray:1187:1: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_algo.h:1955:50: note: 'std::_Rb_tree_const_iterator<std::pair<int, int> >' is not derived from 'const std::valarray<_Tp>'
1955 | std::__lg(__last - __first) * 2,
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
from elephants.cpp:2:
/usr/include/c++/11/valarray:1187:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Constant, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const typename std::valarray<_Tp>::value_type&, const std::valarray<_Tp>&)'
1187 | _DEFINE_BINARY_OPERATOR(-, __minus)
| ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/valarray:1187:1: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_algo.h:1955:50: note: 'std::_Rb_tree_const_iterator<std::pair<int, int> >' is not derived from 'const std::valarray<_Tp>'
1955 | std::__lg(__last - __first) * 2,
| ~~~~~~~^~~~~~~~~
/usr/include/c++/11/bits/stl_algo.h: In instantiation of 'constexpr void std::__final_insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = std::_Rb_tree_const_iterator<std::pair<int, int> >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(std::pair<int, int>&, std::pair<int, int>&)>]':
/usr/include/c++/11/bits/stl_algo.h:1957:31: required from 'constexpr void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = std::_Rb_tree_const_iterator<std::pair<int, int> >; _Compare = __gnu_cxx::__ops::_Iter_comp_iter<bool (*)(std::pair<int, int>&, std::pair<int, int>&)>]'
/usr/include/c++/11/bits/stl_algo.h:4875:18: required from 'constexpr void std::sort(_RAIter, _RAIter, _Compare) [with _RAIter = std::_Rb_tree_const_iterator<std::pair<int, int> >; _Compare = bool (*)(std::pair<int, int>&, std::pair<int, int>&)]'
elephants.cpp:21:9: required from here
/usr/include/c++/11/bits/stl_algo.h:1864:18: error: no match for 'operator-' (operand types are 'std::_Rb_tree_const_iterator<std::pair<int, int> >' and 'std::_Rb_tree_const_iterator<std::pair<int, int> >')
1864 | if (__last - __first > int(_S_threshold))
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/c++/11/bits/stl_algobase.h:67,
from /usr/include/c++/11/bits/specfun.h:45,
from /usr/include/c++/11/cmath:1935,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_iterator.h:577:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr decltype ((__y.base() - __x.base())) std::operator-(const std::reverse_iterator<_IteratorL>&, const std::reverse_iterator<_IteratorR>&)'
577 | operator-(const reverse_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/11/bits/stl_iterator.h:577:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_algo.h:1864:18: note: 'std::_Rb_tree_const_iterator<std::pair<int, int> >' is not derived from 'const std::reverse_iterator<_IteratorL>'
1864 | if (__last - __first > int(_S_threshold))
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/c++/11/bits/stl_algobase.h:67,
from /usr/include/c++/11/bits/specfun.h:45,
from /usr/include/c++/11/cmath:1935,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_iterator.h:1693:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr decltype ((__x.base() - __y.base())) std::operator-(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)'
1693 | operator-(const move_iterator<_IteratorL>& __x,
| ^~~~~~~~
/usr/include/c++/11/bits/stl_iterator.h:1693:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_algo.h:1864:18: note: 'std::_Rb_tree_const_iterator<std::pair<int, int> >' is not derived from 'const std::move_iterator<_IteratorL>'
1864 | if (__last - __first > int(_S_threshold))
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/complex:362:5: note: candidate: 'template<class _Tp> constexpr std::complex<_Tp> std::operator-(const std::complex<_Tp>&, const std::complex<_Tp>&)'
362 | operator-(const complex<_Tp>& __x, const complex<_Tp>& __y)
| ^~~~~~~~
/usr/include/c++/11/complex:362:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_algo.h:1864:18: note: 'std::_Rb_tree_const_iterator<std::pair<int, int> >' is not derived from 'const std::complex<_Tp>'
1864 | if (__last - __first > int(_S_threshold))
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/complex:371:5: note: candidate: 'template<class _Tp> constexpr std::complex<_Tp> std::operator-(const std::complex<_Tp>&, const _Tp&)'
371 | operator-(const complex<_Tp>& __x, const _Tp& __y)
| ^~~~~~~~
/usr/include/c++/11/complex:371:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_algo.h:1864:18: note: 'std::_Rb_tree_const_iterator<std::pair<int, int> >' is not derived from 'const std::complex<_Tp>'
1864 | if (__last - __first > int(_S_threshold))
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/complex:380:5: note: candidate: 'template<class _Tp> constexpr std::complex<_Tp> std::operator-(const _Tp&, const std::complex<_Tp>&)'
380 | operator-(const _Tp& __x, const complex<_Tp>& __y)
| ^~~~~~~~
/usr/include/c++/11/complex:380:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_algo.h:1864:18: note: 'std::_Rb_tree_const_iterator<std::pair<int, int> >' is not derived from 'const std::complex<_Tp>'
1864 | if (__last - __first > int(_S_threshold))
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/complex:457:5: note: candidate: 'template<class _Tp> constexpr std::complex<_Tp> std::operator-(const std::complex<_Tp>&)'
457 | operator-(const complex<_Tp>& __x)
| ^~~~~~~~
/usr/include/c++/11/complex:457:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_algo.h:1864:18: note: 'std::_Rb_tree_const_iterator<std::pair<int, int> >' is not derived from 'const std::complex<_Tp>'
1864 | if (__last - __first > int(_S_threshold))
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/c++/11/valarray:603,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
from elephants.cpp:2:
/usr/include/c++/11/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom1, class _Dom2> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::_Expr<_Dom2, typename _Dom2::value_type>&)'
406 | _DEFINE_EXPR_BINARY_OPERATOR(-, struct std::__minus)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/valarray_after.h:406:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_algo.h:1864:18: note: 'std::_Rb_tree_const_iterator<std::pair<int, int> >' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
1864 | if (__last - __first > int(_S_threshold))
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/c++/11/valarray:603,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
from elephants.cpp:2:
/usr/include/c++/11/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)'
406 | _DEFINE_EXPR_BINARY_OPERATOR(-, struct std::__minus)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/valarray_after.h:406:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_algo.h:1864:18: note: 'std::_Rb_tree_const_iterator<std::pair<int, int> >' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
1864 | if (__last - __first > int(_S_threshold))
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/c++/11/valarray:603,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
from elephants.cpp:2:
/usr/include/c++/11/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const typename _Dom::value_type&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)'
406 | _DEFINE_EXPR_BINARY_OPERATOR(-, struct std::__minus)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/valarray_after.h:406:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_algo.h:1864:18: note: 'std::_Rb_tree_const_iterator<std::pair<int, int> >' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
1864 | if (__last - __first > int(_S_threshold))
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/c++/11/valarray:603,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
from elephants.cpp:2:
/usr/include/c++/11/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::_Expr<_Dom1, typename _Dom1::value_type>&, const std::valarray<typename _Dom::value_type>&)'
406 | _DEFINE_EXPR_BINARY_OPERATOR(-, struct std::__minus)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/valarray_after.h:406:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_algo.h:1864:18: note: 'std::_Rb_tree_const_iterator<std::pair<int, int> >' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
1864 | if (__last - __first > int(_S_threshold))
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/c++/11/valarray:603,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
from elephants.cpp:2:
/usr/include/c++/11/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const std::valarray<typename _Dom::value_type>&, const std::_Expr<_Dom1, typename _Dom1::value_type>&)'
406 | _DEFINE_EXPR_BINARY_OPERATOR(-, struct std::__minus)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/valarray_after.h:406:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_algo.h:1864:18: note: 'std::_Rb_tree_const_iterator<std::pair<int, int> >' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
1864 | if (__last - __first > int(_S_threshold))
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
from elephants.cpp:2:
/usr/include/c++/11/valarray:1187:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__minus, std::_ValArray, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const std::valarray<_Tp>&, const std::valarray<_Tp>&)'
1187 | _DEFINE_BINARY_OPERATOR(-, __minus)
| ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/valarray:1187:1: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_algo.h:1864:18: note: 'std::_Rb_tree_const_iterator<std::pair<int, int> >' is not derived from 'const std::valarray<_Tp>'
1864 | if (__last - __first > int(_S_threshold))
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
from elephants.cpp:2:
/usr/include/c++/11/valarray:1187:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__minus, std::_ValArray, std::_Constant, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const std::valarray<_Tp>&, const typename std::valarray<_Tp>::value_type&)'
1187 | _DEFINE_BINARY_OPERATOR(-, __minus)
| ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/valarray:1187:1: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_algo.h:1864:18: note: 'std::_Rb_tree_const_iterator<std::pair<int, int> >' is not derived from 'const std::valarray<_Tp>'
1864 | if (__last - __first > int(_S_threshold))
| ~~~~~~~^~~~~~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:95,
from elephants.cpp:2:
/usr/include/c++/11/valarray:1187:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Constant, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const typename std::valarray<_Tp>::value_type&, const std::valarray<_Tp>&)'
1187 | _DEFINE_BINARY_OPERATOR(-, __minus)
| ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/valarray:1187:1: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_algo.h:1864:18: note: 'std::_Rb_tree_const_iterator<std::pair<int, int> >' is not derived from 'const std::valarray<_Tp>'
1864 | if (__last - __first > int(_S_threshold))
| ~~~~~~~^~~~~~~~~
/usr/include/c++/11/bits/stl_algo.h:1866:50: error: no match for 'operator+' (operand types are 'std::_Rb_tree_const_iterator<std::pair<int, int> >' and 'int')
1866 | std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
| ~~~~~~~~^~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/stl_algobase.h:67,
from /usr/include/c++/11/bits/specfun.h:45,
from /usr/include/c++/11/cmath:1935,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_iterator.h:585:5: note: candidate: 'template<class _Iterator> constexpr std::reverse_iterator<_IteratorL> std::operator+(typename std::reverse_iterator<_IteratorL>::difference_type, const std::reverse_iterator<_IteratorL>&)'
585 | operator+(typename reverse_iterator<_Iterator>::difference_type __n,
| ^~~~~~~~
/usr/include/c++/11/bits/stl_iterator.h:585:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_algo.h:1866:50: note: mismatched types 'const std::reverse_iterator<_IteratorL>' and 'int'
1866 | std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
| ~~~~~~~~^~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/bits/stl_algobase.h:67,
from /usr/include/c++/11/bits/specfun.h:45,
from /usr/include/c++/11/cmath:1935,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_iterator.h:1700:5: note: candidate: 'template<class _Iterator> constexpr std::move_iterator<_IteratorL> std::operator+(typename std::move_iterator<_IteratorL>::difference_type, const std::move_iterator<_IteratorL>&)'
1700 | operator+(typename move_iterator<_Iterator>::difference_type __n,
| ^~~~~~~~
/usr/include/c++/11/bits/stl_iterator.h:1700:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/11/string:52,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/bits/stl_algo.h:1866:50: note: mismatched types 'const std::move_iterator<_IteratorL>' and 'int'
1866 | std::__insertion_sort(__first, __first + int(_S_threshold), __comp);
| ~~~~~~~~^~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/11/string:55,
from /usr/include/c++/11/bits/locale_classes.h:40,
from /usr/include/c++/11/bits/ios_base.h:41,
from /usr/include/c++/11/ios:42,
from /usr/include/c++/11/istream:38,
from /usr/include/c++/11/sstream:38,
from /usr/include/c++/11/complex:45,
from /usr/include/c++/11/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
from elephants.cpp:2:
/usr/include/c++/11/bits/basic_string.h:6095:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&, const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
6095 | operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
| ^~~~~~~~
/usr/include/c++/11