Language: C++

#include <iostream>

int main()
{
    int a,b[24],c[60],d,f[24],g[60];
    std::cin>>a;
    for(int i=0;i<a;i++){
       std::cin>>b[i]>>c[i];
    }
    std::cin>>f;
    for(int i=0;i<f;i++){
       std::cin>>g[i]>>h[i];
    }
    while(true){
        int i=0;
        int j=0;
        if(b[i]==g[j]&&c[i]==h[j]){
            if(c[i]/10==0)
                std::cout<<b[i]<<":0"<<c[i]<<std::endl;
            else 
                std::cout<<b[i]<<":"<<c[i]<<std::endl;
            i++;
            j++;
        }
        if(b[i]<g[j]&&c[i]<h[j]){
            if(c[i]/10==0)
                std::cout<<b[i]<<":0"<<c[i]<<std::endl;
            else 
                std::cout<<b[i]<<":"<<c[i]<<std::endl;
            i++;
        }
        if(a==i){
            while(true){
                if(h[i]/10==0)
                std::cout<<g[j]<<":0"<<h[j]<<std::endl;
            else 
                std::cout<<g[j]<<":"<<h[j]<<std::endl;
            j++;
                if(f==j)break;
            }
        }
        if(b[i]>g[j]&&c[i]>h[j]){
            if(h[i]/10==0)
                std::cout<<g[j]<<":0"<<h[j]<<std::endl;
            else 
                std::cout<<g[j]<<":"<<h[j]<<std::endl;
            j++;
        }
        if(f==j){
            while(true){
            if(c[i]/10==0)
                std::cout<<b[i]<<":0"<<c[i]<<std::endl;
            else 
                std::cout<<b[i]<<":"<<c[i]<<std::endl;
            i++;
                if(a==i)break;
            }
        }
    }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:10:13: error: no match for 'operator>>' (operand types are 'std::istream' {aka 'std::basic_istream<char>'} and 'int [24]')
   10 |     std::cin>>f;
      |     ~~~~~~~~^~~
      |          |    |
      |          |    int [24]
      |          std::istream {aka std::basic_istream<char>}
In file included from /usr/include/c++/14/iostream:42,
                 from a.cc:1:
/usr/include/c++/14/istream:170:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  170 |       operator>>(bool& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:170:7: note:   conversion of argument 1 would be ill-formed:
a.cc:10:15: error: cannot bind non-const lvalue reference of type 'bool&' to a value of type 'int*'
   10 |     std::cin>>f;
      |               ^
/usr/include/c++/14/istream:174:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(short int&) [with _CharT = char; _Traits = std::char_traits<char>]' (near match)
  174 |       operator>>(short& __n);
      |       ^~~~~~~~
/usr/include/c++/14/istream:174:7: note:   conversion of argument 1 would be ill-formed:
a.cc:10:15: error: invalid conversion from 'int*' to 'short int' [-fpermissive]
   10 |     std::cin>>f;
      |               ^
      |               |
      |               int*
a.cc:10:15: error: cannot bind rvalue '(short int)((int*)(& f))' to 'short int&'
/usr/include/c++/14/istream:177:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(short unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  177 |       operator>>(unsigned short& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:177:7: note:   conversion of argument 1 would be ill-formed:
a.cc:10:15: error: invalid conversion from 'int*' to 'short unsigned int' [-fpermissive]
   10 |     std::cin>>f;
      |               ^
      |               |
      |               int*
a.cc:10:15: error: cannot bind rvalue '(short unsigned int)((int*)(& f))' to 'short unsigned int&'
/usr/include/c++/14/istream:181:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(int&) [with _CharT = char; _Traits = std::char_traits<char>]' (near match)
  181 |       operator>>(int& __n);
      |       ^~~~~~~~
/usr/include/c++/14/istream:181:7: note:   conversion of argument 1 would be ill-formed:
a.cc:10:15: error: invalid conversion from 'int*' to 'int' [-fpermissive]
   10 |     std::cin>>f;
      |               ^
      |               |
      |               int*
a.cc:10:15: error: cannot bind rvalue '(int)((int*)(& f))' to 'int&'
/usr/include/c++/14/istream:184:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  184 |       operator>>(unsigned int& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:184:7: note:   conversion of argument 1 would be ill-formed:
a.cc:10:15: error: invalid conversion from 'int*' to 'unsigned int' [-fpermissive]
   10 |     std::cin>>f;
      |               ^
      |               |
      |               int*
a.cc:10:15: error: cannot bind rvalue '(unsigned int)((int*)(& f))' to 'unsigned int&'
/usr/include/c++/14/istream:188:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  188 |       operator>>(long& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:188:7: note:   conversion of argument 1 would be ill-formed:
a.cc:10:15: error: invalid conversion from 'int*' to 'long int' [-fpermissive]
   10 |     std::cin>>f;
      |               ^
      |               |
      |               int*
a.cc:10:15: error: cannot bind rvalue '(long int)((int*)(& f))' to 'long int&'
/usr/include/c++/14/istream:192:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  192 |       operator>>(unsigned long& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:192:7: note:   conversion of argument 1 would be ill-formed:
a.cc:10:15: error: invalid conversion from 'int*' to 'long unsigned int' [-fpermissive]
   10 |     std::cin>>f;
      |               ^
      |               |
      |               int*
a.cc:10:15: error: cannot bind rvalue '(long unsigned int)((int*)(& f))' to 'long unsigned int&'
/usr/include/c++/14/istream:199:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  199 |       operator>>(long long& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:199:7: note:   conversion of argument 1 would be ill-formed:
a.cc:10:15: error: invalid conversion from 'int*' to 'long long int' [-fpermissive]
   10 |     std::cin>>f;
      |               ^
      |               |
      |               int*
a.cc:10:15: error: cannot bind rvalue '(long long int)((int*)(& f))' to 'long long int&'
/usr/include/c++/14/istream:203:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  203 |       operator>>(unsigned long long& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:203:7: note:   conversion of argument 1 would be ill-formed:
a.cc:10:15: error: invalid conversion from 'int*' to 'long long unsigned int' [-fpermissive]
   10 |     std::cin>>f;
      |               ^
      |               |
      |               int*
a.cc:10:15: error: cannot bind rvalue '(long long unsigned int)((int*)(& f))' to 'long long unsigned int&'
/usr/include/c++/14/istream:328:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(void*&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  328 |       operator>>(void*& __p)
      |       ^~~~~~~~
/usr/include/c++/14/istream:328:7: note:   conversion of argument 1 would be ill-formed:
a.cc:10:15: error: cannot bind non-const lvalue reference of type 'void*&' to an rvalue of type 'void*'
   10 |     std::cin>>f;
      |               ^
/usr/include/c++/14/istream:219:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(float&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
  219 |       operator>>(float& __f)
      |       ^~~~~~~~
/usr/include/c++/14/istream:219:25: note:   no known conversion for argument 1 from 'int [24]' to 'float&'
  219 |       operator>>(float& __f)
      |                  ~~~~~~~^~~
/usr/include/c++/14/istream:223:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(double&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
  223 |       operator>>(double& __f)
      |       ^~~~~~~~
/usr/include/c++/14/istream:223:26: note:   no known conversion for argument 1 from 'int [24]' to 'double&'
  223 |       operator>>(double& __f)
      |                  ~~~~~~~~^~~
/usr/include/c++/14/istream:227:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long double&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
  227 |       operator>>(long double& __f)
      |       ^~~~~~~~
/usr/include/c++/14/istream:227:31: note:   no known conversion for argument 1 from 'int [24]' to 'long double&'
  227 |       operator>>(long double& __f)
      |                  ~~~~~~~~~~~~~^~~
/usr/include/c++/14/istream:122:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__istream_type& (*)(__istream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
  122 |       operator>>(__istream_type& (*__pf)(__istream_type&))
      |       ^~~~~~~~
/usr/include/c++/14/istream:122:36: note:   no known conversion for argument 1 from 'int [24]' to 'std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&)' {aka 'std::basic_istream<char>& (*)(std::basic_istream<char>&)'}
  122 |       operator>>(__istream_type& (*__pf)(__istream_type&))
      |                  ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/istream:126:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__ios_type& (*)(__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>; __ios_type = std::basic_ios<char>]'
  126 |       operator>>(__ios_type& (*__pf)(__ios_type&))
      |       ^~~~~~~~
/usr/include/c++/14/istream:126:32: note:   no known conversion for argument 1 from 'int [24]' to 'std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&)' {aka 'std::basic_ios<char>& (*)(std::basic_ios<char>&)'}
  126 |       operator>>(__ios_type& (*__pf)(__ios_type&))
      |                  ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
/usr/include/c++/14/istream:133:7: note: candidate: 'std::basic_istream<_CharT