foo.c: In function 'main':
foo.c:6:9: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'printf'
    6 |         printf("输入三个整数：")；
      |         ^~~~~~
foo.c:17:9: error: 'else' without a previous 'if'
   17 |         else {
      |         ^~~~
foo.c:18:25: error: 'c' undeclared (first use in this function)
   18 |                 if (a < c) {
      |                         ^
foo.c:18:25: note: each undeclared identifier is reported only once for each function it appears in
foo.c:19:61: error: expected ';' before '\U0000ff1b'
   19 |                         if (b > c) printf("%d%d%d", b, c, a)；
      |                                                             ^~
      |                                                             ;
foo.c:22:47: error: expected ';' before '\U0000ff1b'
   22 |                 else printf("%d%d%d", b, a, c)；
      |                                               ^~
      |                                               ;
foo.c:24:16: error: invalid suffix "；" on integer constant
   24 |         return 0；
      |                ^~~
foo.c:24:19: error: expected ';' before '}' token
   24 |         return 0；
      |                   ^
      |                   ;
   25 | }
      | ~                  

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