Language: C++

#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include  // complex a(1.2 , 2.3);// real(): 1.2, imag()2.3
using namespace std;

#define MOD 1000000007
#define ll long long
#define ld long double
#define FOR(i,a,b) for(ll i=(ll)a;i<(ll)b;i++)
#define rep(i,n) FOR(i,0,n)
#define pb push_back
#define mp make_pair
#define all(a) a.begin(),a.end()
#define rall(a) a.rbegin(),a.rend()
#define rmsame(a) sort(all(a)),a.erase(unique(all(a)), a.end())
#define rmvector(a,b) rep(i,a.size())rep(j,b.size())if(a[i]==b[j]){a.erase(a.begin()+i);i--;break;}
template bool exist(vector vec, X item){return find(all(vec), item)!=vec.end();}

int main(){
  cin.tie(0);
  ios::sync_with_stdio(false);

  string s; cin >> s;
  ll ans;
  rep(I,s.size()-1){
    if(s[i]!=s[i+1])
      ans=min(and,max(i+1,s.size()-i-1)
  }
 count<<ans<<endl;

  //cout << fixed << setprecision(16) << ans << endl;
  return 0;
}


Compiler output:
a.cc:1:10: error: #include expects "FILENAME" or <FILENAME>
    1 | #include
      |          ^
a.cc:2:10: error: #include expects "FILENAME" or <FILENAME>
    2 | #include
      |          ^
a.cc:3:10: error: #include expects "FILENAME" or <FILENAME>
    3 | #include
      |          ^
a.cc:4:10: error: #include expects "FILENAME" or <FILENAME>
    4 | #include
      |          ^
a.cc:5:10: error: #include expects "FILENAME" or <FILENAME>
    5 | #include
      |          ^
a.cc:6:10: error: #include expects "FILENAME" or <FILENAME>
    6 | #include
      |          ^
a.cc:7:10: error: #include expects "FILENAME" or <FILENAME>
    7 | #include
      |          ^
a.cc:8:10: error: #include expects "FILENAME" or <FILENAME>
    8 | #include
      |          ^
a.cc:9:60: error: #include expects "FILENAME" or <FILENAME>
    9 | #include  // complex a(1.2 , 2.3);// real(): 1.2, imag()2.3
      |                                                            ^
a.cc:23:21: error: 'exist' is not a template function
   23 | template bool exist(vector vec, X item){return find(all(vec), item)!=vec.end();}
      |                     ^~~~~~
a.cc:23:20: error: expected ';' before '(' token
   23 | template bool exist(vector vec, X item){return find(all(vec), item)!=vec.end();}
      |                    ^
      |                    ;
a.cc: In function 'int main()':
a.cc:26:3: error: 'cin' was not declared in this scope
   26 |   cin.tie(0);
      |   ^~~
a.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; this is probably fixable by adding '#include <iostream>'
  +++ |+#include <iostream>
    1 | #include
a.cc:27:3: error: 'ios' has not been declared
   27 |   ios::sync_with_stdio(false);
      |   ^~~
a.cc:29:3: error: 'string' was not declared in this scope
   29 |   string s; cin >> s;
      |   ^~~~~~
a.cc:1:1: note: 'std::string' is defined in header '<string>'; this is probably fixable by adding '#include <string>'
  +++ |+#include <string>
    1 | #include
a.cc:29:20: error: 's' was not declared in this scope
   29 |   string s; cin >> s;
      |                    ^
a.cc:32:10: error: 'i' was not declared in this scope
   32 |     if(s[i]!=s[i+1])
      |          ^
a.cc:33:18: error: expected identifier before ',' token
   33 |       ans=min(and,max(i+1,s.size()-i-1)
      |                  ^
a.cc:33:19: error: 'max' was not declared in this scope
   33 |       ans=min(and,max(i+1,s.size()-i-1)
      |                   ^~~
a.cc:35:2: error: 'count' was not declared in this scope
   35 |  count<<ans<<endl;
      |  ^~~~~
a.cc:35:14: error: 'endl' was not declared in this scope
   35 |  count<<ans<<endl;
      |              ^~~~
a.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; this is probably fixable by adding '#include <ostream>'
  +++ |+#include <ostream>
    1 | #include