Hitachi Data Systems Interview Question
Software Engineer / DevelopersCountry: United States
Interview Type: In-Person
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I think N has to be even to fit in N queens out of each other paths. If N is odd, you can just fit in N-1 queens. Convince yourself when N=4 and then N=3.
- Atul Sharma May 23, 2017If a Queen is at (i,j), you can have another Queen at (x,y) where x =/= i, y =/= j; x =/= i+k and y =/= j+k; x =/= i-k and y =/= j-k; k = 1...N-1