Main.cc:2:1: error: ‘sing’ does not name a type; did you mean ‘sinl’?
sing namespace std;
^~~~
sinl
Main.cc: In function ‘int main()’:
Main.cc:5:21: error: expected primary-expression before ‘%’ token
scanf("%lf %lf",%d,%h);
^
Main.cc:5:24: error: expected primary-expression before ‘%’ token
scanf("%lf %lf",%d,%h);
^