/in/foo.c:1:1: warning: data definition has no type or storage class
 a=int(input("请输入直角三角形的一条直角边"))
 ^
/in/foo.c:1:1: warning: type defaults to 'int' in declaration of 'a' [-Wimplicit-int]
/in/foo.c:1:3: error: expected expression before 'int'
 a=int(input("请输入直角三角形的一条直角边"))
   ^~~
/in/foo.c:5:24: error: stray '\357' in program
 print("斜边上的高"，round(h,2))
                        ^
/in/foo.c:5:25: error: stray '\274' in program
 print("斜边上的高"，round(h,2))
                         ^
/in/foo.c:5:26: error: stray '\214' in program
 print("斜边上的高"，round(h,2))
                          ^