how many kkeystrokes is required to print 1 to 1000 in a standard keyboard?

• ans=2893
  for 1 to 9 => 9 keystrokes
  for 10 to 99 => 90*2 = 180 keystrokes
  for 100 to 999 => 900*3 = 2700 keystrokes
  for 1000 => 4 keystrokes
  total keystrokes = 9+180+2700+4 = 2893
  
  
• 11 years agoHelpfull: Yes(2) No(0)
• for 1 to 9 we need- 9 keystroke
  for 10 to 99 we need- 89*2= 178 ks
  for 100 to 999 we need- 899*3= 2697 ks
  for 1000 we need 4 ks
  
  so total = 2697+4+178+9= 2888 ans
• 11 years agoHelpfull: Yes(1) No(2)