Language: C++

#include<bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
#define mp make_pair
#define pb push_back
#define INF 2147438647
#define nl '\n'
#define si(i) scanf("%d", &i);
typedef long long ll;
typedef pair<int, int> pii;
typdefe vector<int> vi;

string n;
int mi = INF;

int main(){
    cin >> n;
    int lnt = n.size();
    for( int i1 = 0 ;  i1 < n ; i1++ ){
        for( int i2 = i1 + 1 ; i2 < n  ; i2++ ){
            for( int i3 = i2 + 1 ; i3 < n ; i3++ ){
                int x = (int(s[i1]) - '0') * 100 + (int(s[i2] - '0' ) * 10 + ( int(s[i3] - '0));
                mi = min( abs(x - 753), mi);
            }
        }
    }
    cout << mi << nl;
}


Compiler output:
a.cc:23:92: warning: missing terminating ' character
   23 |                 int x = (int(s[i1]) - '0') * 100 + (int(s[i2] - '0' ) * 10 + ( int(s[i3] - '0));
      |                                                                                            ^
a.cc:23:92: error: missing terminating ' character
   23 |                 int x = (int(s[i1]) - '0') * 100 + (int(s[i2] - '0' ) * 10 + ( int(s[i3] - '0));
      |                                                                                            ^~~~~
a.cc:12:1: error: 'typdefe' does not name a type; did you mean 'typedef'?
   12 | typdefe vector<int> vi;
      | ^~~~~~~
      | typedef
a.cc: In function 'int main()':
a.cc:20:27: error: no match for 'operator<' (operand types are 'int' and 'std::string' {aka 'std::__cxx11::basic_string<char>'})
   20 |     for( int i1 = 0 ;  i1 < n ; i1++ ){
      |                        ~~ ^ ~
      |                        |    |
      |                        int  std::string {aka std::__cxx11::basic_string<char>}
In file included from /usr/include/c++/14/regex:68,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:181,
                 from a.cc:1:
/usr/include/c++/14/bits/regex.h:1143:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator<(const sub_match<_BiIter>&, const sub_match<_BiIter>&)'
 1143 |     operator<(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1143:5: note:   template argument deduction/substitution failed:
a.cc:20:29: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
   20 |     for( int i1 = 0 ;  i1 < n ; i1++ ){
      |                             ^
/usr/include/c++/14/bits/regex.h:1224:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator<(__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&, const sub_match<_BiIter>&)'
 1224 |     operator<(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1224:5: note:   template argument deduction/substitution failed:
a.cc:20:29: note:   mismatched types 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>' and 'int'
   20 |     for( int i1 = 0 ;  i1 < n ; i1++ ){
      |                             ^
/usr/include/c++/14/bits/regex.h:1317:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator<(const sub_match<_BiIter>&, __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)'
 1317 |     operator<(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1317:5: note:   template argument deduction/substitution failed:
a.cc:20:29: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
   20 |     for( int i1 = 0 ;  i1 < n ; i1++ ){
      |                             ^
/usr/include/c++/14/bits/regex.h:1391:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const typename std::iterator_traits<_Iter>::value_type*, const sub_match<_BiIter>&)'
 1391 |     operator<(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1391:5: note:   template argument deduction/substitution failed:
a.cc:20:29: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   20 |     for( int i1 = 0 ;  i1 < n ; i1++ ){
      |                             ^
/usr/include/c++/14/bits/regex.h:1485:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
 1485 |     operator<(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1485:5: note:   template argument deduction/substitution failed:
a.cc:20:29: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
   20 |     for( int i1 = 0 ;  i1 < n ; i1++ ){
      |                             ^
/usr/include/c++/14/bits/regex.h:1560:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const typename std::iterator_traits<_Iter>::value_type&, const sub_match<_BiIter>&)'
 1560 |     operator<(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1560:5: note:   template argument deduction/substitution failed:
a.cc:20:29: note:   'std::string' {aka 'std::__cxx11::basic_string<char>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>'
   20 |     for( int i1 = 0 ;  i1 < n ; i1++ ){
      |                             ^
/usr/include/c++/14/bits/regex.h:1660:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
 1660 |     operator<(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/regex.h:1660:5: note:   template argument deduction/substitution failed:
a.cc:20:29: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
   20 |     for( int i1 = 0 ;  i1 < n ; i1++ ){
      |                             ^
In file included from /usr/include/c++/14/bits/stl_algobase.h:64,
                 from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h: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:20:29: note:   mismatched types 'const std::pair<_T1, _T2>' and 'int'
   20 |     for( int i1 = 0 ;  i1 < n ; i1++ ){
      |                             ^
In file included from /usr/include/c++/14/bits/stl_algobase.h:67:
/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:20:29: note:   mismatched types 'const std::reverse_iterator<_Iterator>' and 'int'
   20 |     for( int i1 = 0 ;  i1 < n ; i1++ ){
      |                             ^
/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:20:29: note:   mismatched types 'const std::reverse_iterator<_Iterator>' and 'int'
   20 |     for( int i1 = 0 ;  i1 < n ; i1++ ){
      |                             ^
/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:20:29: note:   mismatched types 'const std::move_iterator<_IteratorL>' and 'int'
   20 |     for( int i1 = 0 ;  i1 < n ; i1++ ){
      |                             ^
/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:20:29: note:   mismatched types 'const std::move_iterator<_IteratorL>' and 'int'
   20 |     for( int i1 = 0 ;  i1 < n ; i1++ ){
      |                             ^
In file included from /usr/include/c++/14/bits/basic_string.h:47,
                 from /usr/include/c++/14/string:54,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52:
/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:20:29: note:   mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'int'
   20 |     for( int i1 = 0 ;  i1 < n ; i1++ ){
      |                             ^
/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:20:29: note:   mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'int'
   20 |     for( int i1 = 0 ;  i1 < n ; i1++ ){
      |                             ^
/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:20:29: note:   'std::__cxx11::basic_string<char>' is not derived from 'std::basic_string_view<_CharT, _Traits>