/in/foo.cc: In function 'int main()':
/in/foo.cc:29:20: warning: init-statement in selection statements only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions]
   29 |                 if(c>=90{
      |                    ^
/in/foo.cc:29:25: error: expected ';' before '{' token
   29 |                 if(c>=90{
      |                         ^
      |                         ;
/in/foo.cc:29:21: warning: statement has no effect [-Wunused-value]
   29 |                 if(c>=90{
      |                    ~^~~~
/in/foo.cc:32:17: error: expected primary-expression before 'if'
   32 |                 if(c>=85 && f==Y){
      |                 ^~
/in/foo.cc:31:32: error: expected ')' before 'if'
   31 |                         }
      |                          ^      
      |                                )
   32 |                 if(c>=85 && f==Y){
      |                 ~~        
/in/foo.cc:29:19: note: to match this '('
   29 |                 if(c>=90{
      |                   ^