/in/foo.c: In function 'main':
/in/foo.c:6:24: error: invalid suffix "；" on integer constant
    6 |         int sum=0,fact=1；
      |                        ^~~
/in/foo.c:7:9: error: expected ',' or ';' before 'scanf'
    7 |         scanf("%d",&n);
      |         ^~~~~