foo.c: In function 'main':
foo.c:8:30: error: expected ')' before '\U0000ff09'
    8 |         for (int i=1;i<=n;i++）
      |             ~                ^~
      |                              )
foo.c:17:1: error: expected expression before '}' token
   17 | }
      | ^
foo.c:7:13: warning: unused variable 'cnt' [-Wunused-variable]
    7 |         int cnt=0;
      |             ^~~

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