/in/foo.c:1:1: warning: data definition has no type or storage class
    1 | n = int(input(""))
      | ^
/in/foo.c:1:1: warning: type defaults to 'int' in declaration of 'n' [-Wimplicit-int]
/in/foo.c:1:5: error: expected expression before 'int'
    1 | n = int(input(""))
      |     ^~~
/in/foo.c:7:41: error: empty character constant
    7 |             print(f"{i}*{j}={j*i} ",end='')
      |                                         ^~
/in/foo.c:9:11: warning: missing terminating " character
    9 |     print("输入超出范围
      |           ^
/in/foo.c:9:11: error: missing terminating " character
    9 |     print("输入超出范围
      |           ^~~~~~~~~~~~~