运行 ID: 35462

Main.cc: In function ‘int main()’:
Main.cc:13:30: error: ‘cnt’ was not declared in this scope
   if(double((d-b)/(a-c))==0) cnt=0.00001;
                              ^~~
Main.cc:13:30: note: suggested alternative: ‘int’
   if(double((d-b)/(a-c))==0) cnt=0.00001;
                              ^~~
                              int