foo.c: In function 'main':
foo.c:8:29: error: 'a' undeclared (first use in this function)
    8 |                 scanf("%d",&a[i]);
      |                             ^
foo.c:8:29: note: each undeclared identifier is reported only once for each function it appears in
foo.c:12:25: error: '\U0000ff5b' undeclared (first use in this function)
   12 |                         ｛
      |                         ^~
foo.c:12:27: error: expected ';' before 'int'
   12 |                         ｛
      |                           ^
      |                           ;
   13 |                                 int temp=a[j]；
      |                                 ~~~
foo.c:16:18: error: '\U0000ff5d' undeclared (first use in this function)
   16 |                  ｝
      |                  ^~
foo.c:16:20: error: expected ';' before 'for'
   16 |                  ｝
      |                    ^
      |                    ;
   17 |     for(int i=0;i<n;i++)
      |     ~~~             

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