please can you answer these 2 question 1 Give a solution for the 4 queens problem (you do not need to draw the grid, just say where you will place the queens) 2 Refer to the figure and explain the lines of code of this algorithm PLACEQUEENS(Q 1 n),r) if r n 1 print Q 1 n else for j 1 ton legal TRUE for i 1 tor 1 if (Q i j) or (Q i j r i) or (Q i j r i) legal FALSE if legal Q r PLACEQUEENS(Q 1 n ,r 1) ((Recursion Figure 2 2 Gauss and Laquire's backtracking algorithm for the n queens

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Question: please can you answer these 2 question? 1- Give a solution for the 4 queens problem (you do not need to draw the grid, just

please can you answer these 2 question?

1- Give a solution for the 4 queens problem (you do not need to draw the grid, just say where you will place the queens)

2-Refer to the figure and explain the lines of code of this algorithm.

please can you answer these 2 question? 1- Give a solution for

PLACEQUEENS(Q[1..n),r): if r=n+1 print Q[1..n] else for j - 1 ton legal TRUE for i = 1 tor-1 if (Q[i]=j) or (Q[i]=j+r-i) or (Q[i]=j-r+i) legal FALSE if legal Q[r]; PLACEQUEENS(Q[1..n],r+1) ((Recursion!>> Figure 2.2. Gauss and Laquire's backtracking algorithm for the n queens

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