Main.cc: In function 'int main()':
Main.cc:5:5: error: 'doulbe' was not declared in this scope
doulbe a,b,c;
^
Main.cc:7:21: error: 'a' was not declared in this scope
scanf("%lf%lf",&a,&b);//输出
^
Main.cc:7:24: error: 'b' was not declared in this scope
scanf("%lf%lf",&a,&b);//输出
^
Main.cc:9:5: error: 'c' was not declared in this scope
c =a/b;
^
Main.cc:15:12: error: expected '}' at end of input
return 0;
^