运行 ID: 55003

Main.cc: In function ‘int main()’:
Main.cc:29:13: error: cannot convert ‘edge’ to ‘int’ in initialization
   int ne=e[i];
             ^
Main.cc:29:7: warning: unused variable ‘ne’ [-Wunused-variable]
   int ne=e[i];
       ^~
Main.cc:19:7: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
  ~~~~~^~~~~~~~~
Main.cc:23:9: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d",&num);
    ~~~~~^~~~~~~~~~~