foo.c: In function 'main':
foo.c:12:24: error: expected ',' or ';' before '\U0000ff0cn'
   12 |         int a[10000]={}，n;
      |                        ^~~
foo.c:13:18: error: 'n' undeclared (first use in this function)
   13 |         Output(a,n);
      |                  ^
foo.c:13:18: note: each undeclared identifier is reported only once for each function it appears in

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