m_f@midwest.socialM to Fun Loops ▶️@midwest.socialEnglish · 2 days ago[R] Stupidest ways people have solved coding interviewsloops.videoexternal-linkmessage-square32fedilinkarrow-up176
arrow-up176external-link[R] Stupidest ways people have solved coding interviewsloops.videom_f@midwest.socialM to Fun Loops ▶️@midwest.socialEnglish · 2 days agomessage-square32fedilink
minus-squarelobut@lemmy.calinkfedilinkarrow-up10·edit-22 days agoBecause the abs(3) == 3 is true and that isn’t even. An even number of flips would be true and an odd number of flips would be false which works out. I was thinking a bitwise & or converting it to a string and testing if the right most character is 0, 2, 4, 6, 8 would be panic mode solutions too.
minus-squareKraiden@kbin.earthlinkfedilinkarrow-up2·1 day agoyou might be able to do it with a bitwise op? My track record tonight is not great so I’m not going to comment. Have a look at @ImplyingImplactions comment for a loopless solution
minus-squareUID_Zero@infosec.publinkfedilinkEnglisharrow-up2·1 day agoBitwise and with 0x1. If result is 0, it’s even. Least significant bit is always 1 for odd numbers.
Because the abs(3) == 3 is true and that isn’t even.
An even number of flips would be true and an odd number of flips would be false which works out.
I was thinking a bitwise & or converting it to a string and testing if the right most character is 0, 2, 4, 6, 8 would be panic mode solutions too.
you might be able to do it with a bitwise op? My track record tonight is not great so I’m not going to comment. Have a look at @ImplyingImplactions comment for a loopless solution
Bitwise and with 0x1. If result is 0, it’s even. Least significant bit is always 1 for odd numbers.