/in/foo.cc: In function 'int main()':
/in/foo.cc:7:20: error: expected ';' before 'if'
    7 |                 d=b
      |                    ^
      |                    ;
    8 |         if(b<c)
      |         ~~          
/in/foo.cc:5:17: warning: unused variable 'c' [-Wunused-variable]
    5 |         int a,b,c,d;
      |                 ^