Problem	contestcalc
User	deepdapy
Submission Time	2026-01-27 21:20:23
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

contestcalc.cpp: In function ‘int main()’:
contestcalc.cpp:7:28: error: no match for ‘operator>>’ (operand types are ‘std::istream’ {aka ‘std::basic_istream<char>’} and ‘std::tuple_element<0, std::pair<const std::__cxx11::basic_string<char>, int> >::type’ {aka ‘const std::__cxx11::basic_string<char>’})
7 | for(auto& [u, v] : a) cin >> u >> v;
| ~~~ ^~ ~
| | |
| | std::tuple_element<0, std::pair<const std::__cxx11::basic_string<char>, int> >::type {aka const std::__cxx11::basic_string<char>}
| std::istream {aka std::basic_istream<char>}
In file included from /usr/include/c++/9/sstream:38,
from /usr/include/c++/9/complex:45,
from /usr/include/c++/9/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/9/b