/in/foo.cc: In function 'int main()':
/in/foo.cc:5:17: warning: format '%i' expects argument of type 'int*', but argument 2 has type 'double*' [-Wformat=]
    5 |         scanf("%if",&x);
      |                ~^   ~~
      |                 |   |
      |                 |   double*
      |                 int*
      |                %le
/in/foo.cc:11:31: error: expected ';' before '}' token
   11 |                 y=sqrt(5*x+10)
      |                               ^
      |                               ;
   12 |         }else if{
      |         ~                      
/in/foo.cc:12:17: error: expected '(' before '{' token
   12 |         }else if{
      |                 ^
      |                 (