Language: C++

#include <iostream>
#include <queue>
#include <algorithm>
using namespace std;

int main() {
    int n, q, t;
    string s;
    queue<pair<string,int> > Q;
    cin >> n >> q;
    for (int i=0; i<q; i++) {
        cin >> s >> t;
        Q.push(make_pair(s,t));
    }
    pair<string,int> u;
    int ans=0;
    while (!Q.empty()) {
        u=Q.front;
        Q.pop();
        a=min(u.second(),q);
        u.second-=a;
        sum+=a;
        if (u.second>0) {
            Q.push(u);
        } else {
            cout << u.first << " " << sum << endl;
        }
    }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:18:13: error: no match for 'operator=' (operand types are 'std::pair<std::__cxx11::basic_string<char>, int>' and '<unresolved overloaded function type>')
   18 |         u=Q.front;
      |             ^~~~~
In file included from /usr/include/c++/14/bits/stl_algobase.h:64,
                 from /usr/include/c++/14/string:51,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_pair.h:946:9: note: candidate: 'template<class _U1, class _U2> typename std::enable_if<std::__and_<std::is_assignable<_T1&, const _U1&>, std::is_assignable<_T2&, const _U2&> >::value, std::pair<_T1, _T2>&>::type std::pair<_T1, _T2>::operator=(const std::pair<_U1, _U2>&) [with _U2 = _U1; _T1 = std::__cxx11::basic_string<char>; _T2 = int]'
  946 |         operator=(const pair<_U1, _U2>& __p)
      |         ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:946:9: note:   template argument deduction/substitution failed:
a.cc:18:13: note:   mismatched types 'const std::pair<_T1, _T2>' and 'const __gnu_cxx::__alloc_traits<std::allocator<std::pair<std::__cxx11::basic_string<char>, int> >, std::pair<std::__cxx11::basic_string<char>, int> >::value_type& (std::queue<std::pair<std::__cxx11::basic_string<char>, int> >::*)() const' {aka 'const std::pair<std::__cxx11::basic_string<char>, int>& (std::queue<std::pair<std::__cxx11::basic_string<char>, int> >::*)() const'}
   18 |         u=Q.front;
      |             ^~~~~
a.cc:18:13: note:   mismatched types 'const std::pair<_T1, _T2>' and '__gnu_cxx::__alloc_traits<std::allocator<std::pair<std::__cxx11::basic_string<char>, int> >, std::pair<std::__cxx11::basic_string<char>, int> >::value_type& (std::queue<std::pair<std::__cxx11::basic_string<char>, int> >::*)()' {aka 'std::pair<std::__cxx11::basic_string<char>, int>& (std::queue<std::pair<std::__cxx11::basic_string<char>, int> >::*)()'}
a.cc:18:13: note:   couldn't deduce template parameter '_U1'
/usr/include/c++/14/bits/stl_pair.h:957:9: note: candidate: 'template<class _U1, class _U2> typename std::enable_if<std::__and_<std::is_assignable<_T1&, _U1&&>, std::is_assignable<_T2&, _U2&&> >::value, std::pair<_T1, _T2>&>::type std::pair<_T1, _T2>::operator=(std::pair<_U1, _U2>&&) [with _U2 = _U1; _T1 = std::__cxx11::basic_string<char>; _T2 = int]'
  957 |         operator=(pair<_U1, _U2>&& __p)
      |         ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:957:9: note:   template argument deduction/substitution failed:
a.cc:18:13: note:   mismatched types 'std::pair<_T1, _T2>' and 'const __gnu_cxx::__alloc_traits<std::allocator<std::pair<std::__cxx11::basic_string<char>, int> >, std::pair<std::__cxx11::basic_string<char>, int> >::value_type& (std::queue<std::pair<std::__cxx11::basic_string<char>, int> >::*)() const' {aka 'const std::pair<std::__cxx11::basic_string<char>, int>& (std::queue<std::pair<std::__cxx11::basic_string<char>, int> >::*)() const'}
   18 |         u=Q.front;
      |             ^~~~~
a.cc:18:13: note:   mismatched types 'std::pair<_T1, _T2>' and '__gnu_cxx::__alloc_traits<std::allocator<std::pair<std::__cxx11::basic_string<char>, int> >, std::pair<std::__cxx11::basic_string<char>, int> >::value_type& (std::queue<std::pair<std::__cxx11::basic_string<char>, int> >::*)()' {aka 'std::pair<std::__cxx11::basic_string<char>, int>& (std::queue<std::pair<std::__cxx11::basic_string<char>, int> >::*)()'}
a.cc:18:13: note:   couldn't deduce template parameter '_U1'
/usr/include/c++/14/bits/stl_pair.h:921:7: note: candidate: 'std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(std::__conditional_t<((bool)std::__and_<std::is_copy_assignable<_T1>, std::is_copy_assignable<_T2> >::value), const std::pair<_T1, _T2>&, const std::__nonesuch&>) [with _T1 = std::__cxx11::basic_string<char>; _T2 = int; std::__conditional_t<((bool)std::__and_<std::is_copy_assignable<_T1>, std::is_copy_assignable<_T2> >::value), const std::pair<_T1, _T2>&, const std::__nonesuch&> = const std::pair<std::__cxx11::basic_string<char>, int>&]'
  921 |       operator=(__conditional_t<__and_<is_copy_assignable<_T1>,
      |       ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:923:65: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::__conditional_t<true, const std::pair<std::__cxx11::basic_string<char>, int>&, const std::__nonesuch&>' {aka 'const std::pair<std::__cxx11::basic_string<char>, int>&'}
  921 |       operator=(__conditional_t<__and_<is_copy_assignable<_T1>,
      |                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~  
  922 |                                        is_copy_assignable<_T2>>::value,
      |                                        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  923 |                                 const pair&, const __nonesuch&> __p)
      |                                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/14/bits/stl_pair.h:931:7: note: candidate: 'std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(std::__conditional_t<((bool)std::__and_<std::is_move_assignable<_Tp>, std::is_move_assignable<_T2> >::value), std::pair<_T1, _T2>&&, std::__nonesuch&&>) [with _T1 = std::__cxx11::basic_string<char>; _T2 = int; std::__conditional_t<((bool)std::__and_<std::is_move_assignable<_Tp>, std::is_move_assignable<_T2> >::value), std::pair<_T1, _T2>&&, std::__nonesuch&&> = std::pair<std::__cxx11::basic_string<char>, int>&&]'
  931 |       operator=(__conditional_t<__and_<is_move_assignable<_T1>,
      |       ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:933:55: note:   no known conversion for argument 1 from '<unresolved overloaded function type>' to 'std::__conditional_t<true, std::pair<std::__cxx11::basic_string<char>, int>&&, std::__nonesuch&&>' {aka 'std::pair<std::__cxx11::basic_string<char>, int>&&'}
  931 |       operator=(__conditional_t<__and_<is_move_assignable<_T1>,
      |                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  932 |                                        is_move_assignable<_T2>>::value,
      |                                        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  933 |                                 pair&&, __nonesuch&&> __p)
      |                                 ~~~~~~~~~~~~~~~~~~~~~~^~~
a.cc:20:9: error: 'a' was not declared in this scope
   20 |         a=min(u.second(),q);
      |         ^
a.cc:20:23: error: expression cannot be used as a function
   20 |         a=min(u.second(),q);
      |               ~~~~~~~~^~
a.cc:22:9: error: 'sum' was not declared in this scope
   22 |         sum+=a;
      |         ^~~