Compile Error
/in/foo.c:1:1: error: unknown type name 'import'
1 | import math
| ^~~~~~
/in/foo.c:2:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'a'
2 | a=int(input("请输入正方形的边长"))
| ^
/in/foo.c:1:1: error: unknown type name 'import'
1 | import math
| ^~~~~~
/in/foo.c:2:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'a'
2 | a=int(input("请输入正方形的边长"))
| ^
