import sys
from decimal import Decimal, getcontext

def main():
    getcontext().prec = 35  # Sufficient precision to handle up to 1e18 sqrt accurately
    data = sys.stdin.read().split()
    n = int(data[0])
    xs = data[1:n+1]
    
    sum_total = Decimal(0)
    output = []
    for x in xs:
        xi = Decimal(x)
        sqrt_xi = xi.sqrt()
        sum_total += sqrt_xi
        # Format to 17 decimal places, ensuring trailing zeros are included
        output.append("{0:.17f}".format(sum_total))
    
    print('\n'.join(output))

if __name__ == "__main__":
    main()