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  1. shubhamsrg
    • 2 years ago
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    its my previous ques wihich i closed accidently..

  2. shubhamsrg
    • 2 years ago
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    the ques was In a jail with 100 rooms, all locked initially, 100 rioters break in and disturb the rooms in the following way. First one stops at all rooms and opens them all. Second rioters stops at rooms numbered 2, 4, 6, . . . and locks open rooms, and leaving the other rooms as they were. The third rioter stops at rooms numbered 3, 6, 9, . . . and again opens a locked room and locks an open room, leaving others undisturbed. And this process continues. After all the 100 rioters have left which rooms would be open?

  3. sauravshakya
    • 2 years ago
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    I hope u got your solution

  4. shubhamsrg
    • 2 years ago
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    i just wanted to discuss there so i attached the link..

  5. shubhamsrg
    • 2 years ago
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    why sq. nos have odd no. of factors i got it.. but why only sq nos. fit in the soln i didnt get it..

  6. sauravshakya
    • 2 years ago
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    its because the room number which has odd number of factors...... will be open

  7. sauravshakya
    • 2 years ago
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    u didnt understand that?

  8. shubhamsrg
    • 2 years ago
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    leme try.. 1o all 2,4,6....c 3,6,9....o . . . no i didnt get it! :P i mean the reason..

  9. sauravshakya
    • 2 years ago
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    Ok....... the rooms are intially closed right

  10. sauravshakya
    • 2 years ago
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    |dw:1345558933537:dw|So,

  11. shubhamsrg
    • 2 years ago
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    so point is odd nos do opening job,,right ?

  12. sauravshakya
    • 2 years ago
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    Yep...... if u do odd no. of steps... the room will be open

  13. sauravshakya
    • 2 years ago
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    right?

  14. sauravshakya
    • 2 years ago
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    |dw:1345559111624:dw|

  15. sauravshakya
    • 2 years ago
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    I mean each step will close the room if it is open and close it if the room is open

  16. shubhamsrg
    • 2 years ago
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    okay,,following..

  17. sauravshakya
    • 2 years ago
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    I think thats it

  18. sauravshakya
    • 2 years ago
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    got it? @shubhamsrg

  19. mukushla
    • 2 years ago
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    i wanna say something ... see its true or not... every room will be met by rioters equal to its number of divisors

  20. sauravshakya
    • 2 years ago
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    very true

  21. shubhamsrg
    • 2 years ago
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    yes yes,,not everything fits in!! thanks ..

  22. shubhamsrg
    • 2 years ago
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    now*

  23. sauravshakya
    • 2 years ago
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    Did u understand? @shubhamsrg

  24. shubhamsrg
    • 2 years ago
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    yes sir..

  25. sauravshakya
    • 2 years ago
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    PLZ..... dont call me sir.... call me friend

  26. shubhamsrg
    • 2 years ago
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    okay sir!! :P

  27. shubhamsrg
    • 2 years ago
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    bah,,nevermind..

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