prog.c:2:1: warning: type specifier missing, defaults to 'int' [-Wimplicit-int]
main()
^
prog.c:4:12: error: expected ';' at end of declaration
float l,b,A
^
;
prog.c:6:16: error: invalid operands to binary expression ('char *' and 'float')
scanf["%f","%f"&l,&b];
~~~~^~
1 warning and 2 errors generated.