foo.c: In function 'main':
foo.c:6:16: error: '\U00008f93\U00005165\U0000ff1a' undeclared (first use in this function)
    6 |         printf(输入：)；
      |                ^~~~~~
foo.c:6:16: note: each undeclared identifier is reported only once for each function it appears in
foo.c:6:23: error: expected ';' before '\U0000ff1b'
    6 |         printf(输入：)；
      |                       ^~
      |                       ;
foo.c:8:12: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else]
    8 |         if (x>y)
      |            ^
foo.c:11:8: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else]
   11 |     if (y>x)
      |        ^
foo.c:14:8: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else]
   14 |     if (z>x)
      |        ^
foo.c:17:16: error: '\U00008f93\U000051fa\U0000ff1a' undeclared (first use in this function)
   17 |         printf(输出：%d%d%dn,max,med,min);
      |                ^~~~~~
foo.c:17:23: error: 'd' undeclared (first use in this function)
   17 |         printf(输出：%d%d%dn,max,med,min);
      |                       ^
foo.c:17:27: error: 'dn' undeclared (first use in this function)
   17 |         printf(输出：%d%d%dn,max,med,min);
      |                           ^~

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