/in/foo.cc:8:19: error: size of array 'v' has non-integral type 'double'
 int f[CON],v[1e2+2],c[1e2+2],N,V;
                   ^
/in/foo.cc:8:28: error: size of array 'c' has non-integral type 'double'
 int f[CON],v[1e2+2],c[1e2+2],N,V;
                            ^