#include using namespace std; using ld=long double; int q;ld x; int main() { cin>>q; for(int i=0;i>x; int sz=10; int lim=x*x /(4*sz*sz)+1.01L; for(int j=lim;;j++) { ld bs=sqrt((ld)(j)); ld rem=sqrt((ld)(j))*(2*sz)-x; vector delta(sz); for(int k=0;k1) { int m=(l+r)>>1; if(rem>2*bs-sqrt((ld)(j-m))-sqrt((ld)(j+m))) l=m; else r=m; } rem -= 2*bs-sqrt((ld)(j-l))-sqrt((ld)(j+l)); delta[k]=l; } if(rem<1.0e-10L) { vector ret(2*sz); for(int k=0;k