foo.c: In function 'main':
foo.c:7:38: error: expected ';' before '\U0000ff1b'
    7 |            printf("请输入一个年份：")；
      |                                      ^~
      |                                      ;
foo.c:14:54: error: expected ')' before '\U0000ff09'
   14 |                 for(i=0;i<sizeof(days)/sizeof(days[0]）;i++)
      |                                              ~       ^~
      |                                                      )
foo.c:14:61: error: expected ';' before '{' token
   14 |                 for(i=0;i<sizeof(days)/sizeof(days[0]）;i++)
      |                                                             ^
      |                                                             ;
   15 |                         {
      |                         ~                                    
foo.c:19:1: error: expected expression before '}' token
   19 | }
      | ^
foo.c:19:1: error: expected expression before '}' token

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