import sys
import math

def main():
    input = sys.stdin.read().split()
    N = int(input[0])
    x_list = list(map(int, input[1:N+1]))
    
    sum_total = 0.0
    compensation = 0.0  # Kahan compensation
    output = []
    for xi in x_list:
        y = math.sqrt(xi)
        # Kahan summation steps
        y_compensated = y - compensation
        temp = sum_total + y_compensated
        compensation = (temp - sum_total) - y_compensated
        sum_total = temp
        output.append(f"{sum_total:.17f}")
    print('\n'.join(output))

if __name__ == "__main__":
    main()