/in/foo.c: In function 'main':
/in/foo.c:15:11: error: expected ')' before ';' token
 scanf("%d";&n);
           ^
/in/foo.c:15:9: warning: format '%d' expects a matching 'int *' argument [-Wformat=]
 scanf("%d";&n);
         ^
/in/foo.c:18:11: error: expected ')' before ';' token
 scanf("%d";&a[i]);
           ^
/in/foo.c:18:9: warning: format '%d' expects a matching 'int *' argument [-Wformat=]
 scanf("%d";&a[i]);
         ^