/in/foo.c: In function 'main':
/in/foo.c:4:1: error: expected declaration specifiers before 'scanf'
    4 | scanf("%d %d",&a,&n);
      | ^~~~~
/in/foo.c:5:1: error: parameter 'sum' is initialized
    5 | int sum=0;
      | ^~~
/in/foo.c:6:1: error: parameter 'part' is initialized
    6 | int part=0;
      | ^~~
/in/foo.c:7:1: error: expected declaration specifiers before 'for'
    7 | for(i=0;i<n;++i)
      | ^~~
/in/foo.c:7:9: error: expected declaration specifiers before 'i'
    7 | for(i=0;i<n;++i)
      |         ^
/in/foo.c:7:13: error: expected declaration specifiers before '++' token
    7 | for(i=0;i<n;++i)
      |             ^~
/in/foo.c:12:5: error: expected declaration specifiers before 'printf'
   12 |     printf("%d\n",sum);
      |     ^~~~~~
/in/foo.c:13:1: error: expected declaration specifiers before '}' token
   13 | }
      | ^
/in/foo.c:6:5: error: declaration for parameter 'part' but no such parameter
    6 | int part=0;
      |     ^~~~
/in/foo.c:5:5: error: declaration for parameter 'sum' but no such parameter
    5 | int sum=0;
      |     ^~~
/in/foo.c:3:15: error: declaration for parameter 'n' but no such parameter
    3 |         int a,n;
      |               ^
/in/foo.c:3:13: error: declaration for parameter 'a' but no such parameter
    3 |         int a,n;
      |             ^
/in/foo.c:14: error: expected '{' at end of input