foo.c: In function 'main':
foo.c:5:15: error: invalid suffix "；" on integer constant
    5 |         int i=0；
      |               ^~~
foo.c:6:9: error: expected ',' or ';' before 'int'
    6 |         int n;
      |         ^~~
foo.c:8:22: error: 'n' undeclared (first use in this function)
    8 |         scanf("%d" ,&n);
      |                      ^
foo.c:8:22: note: each undeclared identifier is reported only once for each function it appears in

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