/in/foo.c: In function 'main':
/in/foo.c:7:29: error: expected ')' before '{' token
    7 |     if(a+b>c&&(a+c>b&&b+c>a)
      |       ~                     ^
      |                             )
    8 | {
      | ~                            
/in/foo.c:16:1: error: expected expression before '}' token
   16 | }
      | ^
/in/foo.c:5:17: warning: unused variable 'perimeter' [-Wunused-variable]
    5 |     float a,b,c,perimeter;
      |                 ^~~~~~~~~