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a. Implement the backtracking algorithm for the n-queens problem in the language of your choice. Run your program for a sample of n values to get the numbers of nodes in the algorithm's state-space trees. Compare these numbers with the numbers of candidate solutions generated by the exhaustivesearch algorithm for this problem
b. For each value of n for which you run your program in part (a), estimate the size of the state-space tree by the method described in Section 12.1 and compare the estimate with the actual number of nodes you obtained.
Exercise 3.4
Problem 9
Eight-queens problem Consider the classic puzzle of placing eight queens on an 8 × 8 chessboard so that no two queens are in the same row or in the same column or on the same diagonal. How many different positions are there so that
a. no two queens are on the same square?
b. no two queens are in the same row?
c. no two queens are in the same row or in the same column?
Also estimate how long it would take to find all the solutions to the problem by exhaustive search based on each of these approaches on a computer capable of checking 10 billion positions per second.
What are the main differences between operating systems for mainframe computers and personal computers?
What differences might you expect to find
Write a program that will calculate the total due for a restaurant bill. The program will ask the user how much was the meal charge. The program will then compute the tip amount and the tax amount and display the total.
Diversity of Approaches
in each additional instruction in this problem, assume that EAX contains a given contents before the instruction is executed, and give the contents of EAX as well as the values of the CF, OF, SF, and ZF flags after the instruction is executed:
Explain whether today, computer literacy (knowledge of how to properly use computer and its software applications) has become fourth basic skill.
Economy: GDP per capita (compared to the US), Main industries, main exports, and main imports (what), main trading partners (with whom, top 5)
What is the stock's required rate of return according to CAPM? What is the stock's present market price per share, assuming this required return?
Are you more at risk using a wireless connection via laptop or a connection via a smart phone?
However, as illustrated by Figure 13.13, the x and y ranges might overlap without the circle actually intersecting the square. Write a function that accurately determines if a circle and a square intersect.
so there is an array called arr2=[ 1 2 3; -2 -3 -4; 3 4 5]; what does it mean to access the subarray arr2(:, 1:2:3)? like what do u get when u type in that subarray and why?
Why is it wiser to quarantine infected files instead of automatically deleting them using anti-virus?
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