Main.c: In function 'main':
Main.c:6:13: warning: format '%f' expects argument of type 'float *', but argument 2 has type 'double' [-Wformat=]
    6 |     scanf("%f%f",h,w);
      |            ~^    ~
      |             |    |
      |             |    double
      |             float *
Main.c:6:15: warning: format '%f' expects argument of type 'float *', but argument 3 has type 'double' [-Wformat=]
    6 |     scanf("%f%f",h,w);
      |              ~^    ~
      |               |    |
      |               |    double
      |               float *
Main.c:10:15: warning: comparison of constant '25' with boolean expression is always true [-Wbool-compare]
   10 |     else(18<=t<25)
      |               ^
Main.c:10:12: warning: comparisons like 'X<=Y<=Z' do not have their mathematical meaning [-Wparentheses]
   10 |     else(18<=t<25)
      |          ~~^~~
Main.c:10:9: warning: statement with no effect [-Wunused-value]
   10 |     else(18<=t<25)
      |         ^
Main.c:10:19: error: expected ';' before 'puts'
   10 |     else(18<=t<25)
      |                   ^
      |                   ;
   11 |     puts("normal");
      |     ~~~~           
Main.c:12:5: error: 'else' without a previous 'if'
   12 |     else(25<=t<27)
      |     ^~~~
Main.c:12:15: warning: comparison of constant '27' with boolean expression is always true [-Wbool-compare]
   12 |     else(25<=t<27)
      |               ^
Main.c:12:12: warning: comparisons like 'X<=Y<=Z' do not have their mathematical meaning [-Wparentheses]
   12 |     else(25<=t<27)
      |          ~~^~~
Main.c:12:9: warning: statement with no effect [-Wunused-value]
   12 |     else(25<=t<27)
      |         ^
Main.c:12:19: error: expected ';' before 'puts'
   12 |     else(25<=t<27)
      |                   ^
      |                   ;
   13 |         puts("obese");
      |         ~~~~