运行 ID: 68273

Main.cc: In function ‘int main()’:
Main.cc:19:9: error: ‘flag’ was not declared in this scope
    else flag=1;
         ^~~~
Main.cc:19:9: note: suggested alternative: ‘fl’
    else flag=1;
         ^~~~
         fl
Main.cc:24:6: error: ‘flag’ was not declared in this scope
   if(flag||cnt>1) cout<<"No"<1) cout<<"No"<