---

Lỗi biên dịch:

Main.cc: In function ‘int main()’:
Main.cc:12:9: warning: ‘char* gets(char*)’ is deprecated [-Wdeprecated-declarations]
   gets(a);
         ^
In file included from /usr/include/stdio.h:862:0,
                 from Main.cc:1:
/usr/include/x86_64-linux-gnu/bits/stdio2.h:232:1: note: declared here
 gets (char *__str)
 ^~~~
Main.cc:17:12: error: expected ‘;’ before ‘:’ token
     count++:
            ^
Main.cc:20:12: error: expected ‘;’ before ‘:’ token
     count++:
            ^
Main.cc:10:8: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&n);
   ~~~~~^~~~~~~~~
Main.cc:12:7: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result]
   gets(a);
   ~~~~^~~