Problem	swords
User	nutzzzz
Submission Time	2025-01-21 20:45:43
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

swords.cpp: In function ‘int main()’:
swords.cpp:43:22: error: no match for ‘operator-’ (operand types are ‘std::map<int, int>::iterator’ {aka ‘std::_Rb_tree_iterator<std::pair<const int, int> >’} and ‘int’)
43 | for (int i = a.end()-1; i != a.begin()-1; i--){
| ~~~~~~~^~
| | |
| | int
| std::map<int, int>::iterator {aka std::_Rb_tree_iterator<std::pair<const int, int> >}
In file included from /usr/include/c++/9/bits/stl_algobase.h:67,
from /usr/include/c++/9/bits/char_traits.h:39,
from /usr/include/c++/9/ios:40,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from swords.cpp:1:
/usr/include/c++/9/bits/stl_iterator.h:415:5: note: candidate: ‘template<class _IteratorL, class _IteratorR> constexpr dec