Run id: 154672

Main.cc: In function 'int main()':
Main.cc:9:14: error: 'PI' was not declared in this scope
     vq=4.0/3*PI*n*n*n;
              ^
Main.cc:6:18: warning: unused variable 'pi' [-Wunused-variable]
     const double pi=3.1415926;
                  ^