egz_2006_varza.py

#  palyginimui su https://www.facebook.com/photo.php?fbid=10158413583218323&set=p.10158413583218323&type=3

def varza(grandine):
  R = 0
  for varzu_eil in grandine:
     atvirkstiniu_suma = sum(1/x for x in varzu_eil)
     R += 1 / atvirkstiniu_suma
  
  return R

# nuskaitymas C++ srauto formatu nedėkingas Python'ui, geriau būtų JSON
with open("Duom1.txt") as duom: 
  eilutes = duom.readlines() 
  matrica = [eil.split()[1:] for eil in eilutes]

R = varza(matrica) 

with open("Rez1.txt") as rez:
    rez.write(round(R, 2))