Problem labs
User AaravRastogi
Submission Time 2026-02-19 10:56:24
Score 0
Max Time N/A
Max Memory N/A

Compile Error

labs.cpp: In function ‘int main()’:
labs.cpp:15:40: error: no match for ‘operator[]’ (operand types are ‘std::map<std::__cxx11::basic_string<char>, long long int>’ and ‘long long int’)
15 | else if (x==2){int y; cin>>y; cout<<A[y]<<'\n';}
| ^
In file included from /usr/include/c++/9/map:61,
from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:81,
from labs.cpp:1:
/usr/include/c++/9/bits/stl_map.h:490:7: note: candidate: ‘std::map<_Key, _Tp, _Compare, _Alloc>::mapped_type& std::map<_Key, _Tp, _Compare, _Alloc>::operator[](const key_type&) [with _Key = std::__cxx11::basic_string<char>; _Tp = long long int; _Compare = std::less<std::__cxx11::basic_string<char> >; _Alloc = std::allocator<std::pair<const std::__cxx11::basic_string<char>, long long int> >; std::map<_Key, _Tp, _Compare, _Alloc>::mapped_ty