How to reverse strings with changing Position - Answered

Question

How to reverse strings with changing Position   - Answered

Anónimo · Accepted Answer

If two squares are chosen at random on a chessboard, what is the probability that they have a side in common? - Did't answer

Answer - The corner squares are the ones.

There are 4 such squares.

P(selecting such a square) = 4/64

Here also, let the event of selecting an adjacent square be C,

P(C)= 2/63

Now, solving all the three cases and adding them will give us the answer.

Answer: P(selecting a square adjacent to 4 squares)*P(A) + P(selecting a square adjacent to 3 squares)*P(B) + P(selecting a square adjacent to 2 squares)*P(C)

(36/64)*(4/63) + (24/64)*(3/63) + (4/64)*(2/63)

1/18

KeepinItSimple · Answer

Total number of pairs on a chessboard = 64C2
Number of adjacent pairs = (7*8)*2
- (explanation: Every column has 7 adjacent pairs, there are 8 columns, similarly for rows)

Answer = (7*8*2)/(64C2) = 1/18

Anónimo · Answer

While reversing the string. We start the loop from the initial value to the half of the string length then choose the first value and last values. Swap both the values.

Tiger Analytics

Pregunta de entrevista de Tiger Analytics

Respuestas de entrevistas

Empresas seguidas

Búsquedas de empleo