运行 ID: 160061

Main.cc: In function ‘int main()’:
Main.cc:23:8: error: ‘qu’ was not declared in this scope
   if ( qu [i] . b < cur )
        ^~
Main.cc:23:8: note: suggested alternative: ‘qj’
   if ( qu [i] . b < cur )
        ^~
        qj