#include <stdio.h>
#include <quadmath.h>

void* __libc_dlopen_mode(const char *x,int y);
void* __libc_dlsym(void *x,const char *y);
typedef __float128 (*type_sqrtq)(__float128);
typedef int (*type_quadmath_snprintf)(char *s, size_t size, const char *format, ...);
type_sqrtq mysqrtq;
type_quadmath_snprintf myquadmath_snprintf;

char buf[99];
int main(){
	void *H=__libc_dlopen_mode("/usr/lib64/libquadmath.so",2);
	mysqrtq=(type_sqrtq)__libc_dlsym(H,"sqrtq");
	myquadmath_snprintf=(type_quadmath_snprintf)__libc_dlsym(H,"quadmath_snprintf");

	int T;
	long long x;
	__float128 d=0;
	for(scanf("%d",&T);T--;){
		scanf("%lld",&x);
		d+=mysqrtq(x);
		myquadmath_snprintf(buf,99,"%.16Qg",d);
		puts(buf);
	}
	return 0;
}