Language: C++

#include <iostream>
#include <string>
using namespace std;

int main() {
    string a, b;
    cin >> a >> b;
    
    int a,b;
    a = atoi(a.c_str()); 
    b = atoi(b.c_str());

    string temp:
   
    if (a >= b){ 
      temp = a;
      for(int i = 0; i < b; i++) {
      	temp =strcat(temp, b);}
        }
    
     else { 
      temp = b;
      for(int i = 0; i < a; i++) {
      	temp =strcat(temp, a);}
        }

     cout >> temp >> endl: 

}

Compiler output:
a.cc: In function 'int main()':
a.cc:9:9: error: conflicting declaration 'int a'
    9 |     int a,b;
      |         ^
a.cc:6:12: note: previous declaration as 'std::string a'
    6 |     string a, b;
      |            ^
a.cc:9:11: error: conflicting declaration 'int b'
    9 |     int a,b;
      |           ^
a.cc:6:15: note: previous declaration as 'std::string b'
    6 |     string a, b;
      |               ^
a.cc:13:16: error: expected initializer before ':' token
   13 |     string temp:
      |                ^
a.cc:21:6: error: 'else' without a previous 'if'
   21 |      else {
      |      ^~~~
a.cc:22:7: error: 'temp' was not declared in this scope; did you mean 'tm'?
   22 |       temp = b;
      |       ^~~~
      |       tm
a.cc:23:24: error: no match for 'operator<' (operand types are 'int' and 'std::string' {aka 'std::__cxx11::basic_string<char>'})
   23 |       for(int i = 0; i < a; i++) {
      |                      ~ ^ ~
      |                      |   |
      |                      int std::string {aka std::__cxx11::basic_string<char>}
In file included from /usr/include/c++/14/string:48,
                 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_iterator.h:448:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator<(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)'
  448 |     operator<(const reverse_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:448:5: note:   template argument deduction/substitution failed:
a.cc:23:26: note:   mismatched types 'const std::reverse_iterator<_Iterator>' and 'int'
   23 |       for(int i = 0; i < a; i++) {
      |                          ^
/usr/include/c++/14/bits/stl_iterator.h:493:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator<(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
  493 |     operator<(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:493:5: note:   template argument deduction/substitution failed:
a.cc:23:26: note:   mismatched types 'const std::reverse_iterator<_Iterator>' and 'int'
   23 |       for(int i = 0; i < a; i++) {
      |                          ^
/usr/include/c++/14/bits/stl_iterator.h:1694:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator<(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
 1694 |     operator<(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1694:5: note:   template argument deduction/substitution failed:
a.cc:23:26: note:   mismatched types 'const std::move_iterator<_IteratorL>' and 'int'
   23 |       for(int i = 0; i < a; i++) {
      |                          ^
/usr/include/c++/14/bits/stl_iterator.h:1760:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator<(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)'
 1760 |     operator<(const move_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1760:5: note:   template argument deduction/substitution failed:
a.cc:23:26: note:   mismatched types 'const std::move_iterator<_IteratorL>' and 'int'
   23 |       for(int i = 0; i < a; i++) {
      |                          ^
In file included from /usr/include/c++/14/bits/stl_algobase.h:64,
                 from /usr/include/c++/14/string:51:
/usr/include/c++/14/bits/stl_pair.h:1045:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator<(const pair<_T1, _T2>&, const pair<_T1, _T2>&)'
 1045 |     operator<(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:1045:5: note:   template argument deduction/substitution failed:
a.cc:23:26: note:   mismatched types 'const std::pair<_T1, _T2>' and 'int'
   23 |       for(int i = 0; i < a; i++) {
      |                          ^
In file included from /usr/include/c++/14/bits/basic_string.h:47,
                 from /usr/include/c++/14/string:54:
/usr/include/c++/14/string_view:673:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator<(basic_string_view<_CharT, _Traits>, basic_string_view<_CharT, _Traits>)'
  673 |     operator< (basic_string_view<_CharT, _Traits> __x,
      |     ^~~~~~~~
/usr/include/c++/14/string_view:673:5: note:   template argument deduction/substitution failed:
a.cc:23:26: note:   mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'int'
   23 |       for(int i = 0; i < a; i++) {
      |                          ^
/usr/include/c++/14/string_view:680:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator<(basic_string_view<_CharT, _Traits>, __type_identity_t<basic_string_view<_CharT, _Traits> >)'
  680 |     operator< (basic_string_view<_CharT, _Traits> __x,
      |     ^~~~~~~~
/usr/include/c++/14/string_view:680:5: note:   template argument deduction/substitution failed:
a.cc:23:26: note:   mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'int'
   23 |       for(int i = 0; i < a; i++) {
      |                          ^
/usr/include/c++/14/string_view:688:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator<(__type_identity_t<basic_string_view<_CharT, _Traits> >, basic_string_view<_CharT, _Traits>)'
  688 |     operator< (__type_identity_t<basic_string_view<_CharT, _Traits>> __x,
      |     ^~~~~~~~
/usr/include/c++/14/string_view:688:5: note:   template argument deduction/substitution failed:
a.cc:23:26: note:   'std::__cxx11::basic_string<char>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
   23 |       for(int i = 0; i < a; i++) {
      |                          ^
/usr/include/c++/14/bits/basic_string.h:3874:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 3874 |     operator<(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3874:5: note:   template argument deduction/substitution failed:
a.cc:23:26: note:   mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int'
   23 |       for(int i = 0; i < a; i++) {
      |                          ^
/usr/include/c++/14/bits/basic_string.h:3888:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)'
 3888 |     operator<(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3888:5: note:   template argument deduction/substitution failed:
a.cc:23:26: note:   mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>' and 'int'
   23 |       for(int i = 0; i < a; i++) {
      |                          ^
/usr/include/c++/14/bits/basic_string.h:3901:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const _CharT*, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 3901 |     operator<(const _CharT* __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3901:5: note:   template argument deduction/substitution failed:
a.cc:23:26: note:   mismatched types 'const _CharT*' and 'int'
   23 |       for(int i = 0; i < a; i++) {
      |                          ^
In file included from /usr/include/c++/14/bits/memory_resource.h:47,
                 from /usr/include/c++/14/string:68:
/usr/include/c++/14/tuple:2600:5: note: candidate: 'template<class ... _TElements, class ... _UElements> constexpr bool std::operator<(const tuple<_UTypes ...>&, const tuple<_Elements ...>&)'
 2600 |     operator<(const tuple<_TElements...>& __t,
      |     ^~~~~~~~
/usr/include/c++/14/tuple:2600:5: note:   template argument deduction/substitution failed:
a.cc:23:26: note:   mismatched types 'const std::tuple<_UTypes ...>' and 'int'
   23 |       for(int i = 0; i < a; i++) {
      |                          ^
In file included from /usr/include/c++/14/bits/ios_base.h:46:
/usr/include/c++/14/system_error:324:3: note: candidate: 'bool std::operator<(const error_code&, const error_code&)'
  324 |   operator<(const error_code& __lhs, const error_code& __rhs) noexcept
      |   ^~~~~~~~
/usr/include/c++/14/system_error:324:31: note:   no known conversion for argument 1 from 'int' to 'const std::error_code&'
  324 |   operator<(const error_code& __lhs, const error_code& __rhs) noexcept
      |             ~~~~~~~~~~~~~~~~~~^~~~~
/usr/include/c++/14/system_error:507:3: note: candidate: 'bool std::operator<(const error_condition&, const error_condition&)'
  507 |   operator<(const error_condition& __lhs,
      |   ^~~~~~~~
/usr/include/c++/14/system_error:507:36: note:   no known conversion for argument 1 from 'int' to 'const std::error_condition&'
  507 |   operator<(const error_condition& __lhs,
      |             ~~~~~~~~~~~~~~~~~~~~~~~^~~~~
a.cc:24:15: error: 'strcat' was not declared in this scope
   24 |         temp =strcat(temp, a);}
      |               ^~~~~~
a.cc:2:1: note: 'strcat' is defined in header '<cstring>'; this is probably fixable by adding '#include <cstring>'
    1 | #include <iostream>
  +++ |+#include <cstring>
    2 | #include <string>
a.cc:27:14: error: 'temp' was not declared in this scope; did you mean 'tm'?
   27 |      cout >> temp >> endl:
      |              ^~~~
      |              tm