/in/foo.c:1:1: warning: data definition has no type or storage class
 n = input().split()
 ^
/in/foo.c:1:1: warning: type defaults to 'int' in declaration of 'n' [-Wimplicit-int]
/in/foo.c:1:5: warning: implicit declaration of function 'input' [-Wimplicit-function-declaration]
 n = input().split()
     ^~~~~
/in/foo.c:1:12: error: request for member 'split' in something not a structure or union
 n = input().split()
            ^
/in/foo.c:2:1: error: expected ',' or ';' before 'sorted_n'
 sorted_n = sorted(map(int, n))
 ^~~~~~~~