Main.cc: In function ‘int main()’:
Main.cc:4:2: error: ‘DOUBLE’ was not declared in this scope
DOUBLE h,h1,s=0;
^~~~~~
Main.cc:5:7: error: ‘h1’ was not declared in this scope
cin>>h1;
^~
Main.cc:5:7: note: suggested alternative: ‘y1’
cin>>h1;
^~
y1
Main.cc:6:2: error: ‘h’ was not declared in this scope
h=h1;
^
Main.cc:8:3: error: ‘s’ was not declared in this scope
s+=2*h;
^
Main.cc:11:23: error: ‘s’ was not declared in this scope
printf("%.3f %.3f\n",s-h1,h);
^