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(50%) As mentioned in the class, the selection problem can be solved by the following two methods. The first method is to use the quick
(50\%) As mentioned in the class, the selection problem can be solved by the following two methods. The first method is to use the quick sort to sort the given $n$ numbers in ascending order and pick out the $k$- th largest number from the sorted array. The second method is to utilize the prune and search strategy as introduced in the class. Use a programming language you familiar with to implement these two methods for solving the selection problem $(30 \%)$ and compare their running time when the input size $n$ is from 10000 to 30000 in steps of $1000 (20 %)$. Note that you should implement the quick sort program by yourself, instead of using the built-in quick sort function in the programming language. Note also that for each $n$, you should generate three problem instances and average the running time of solving these three instances. cs.vs. 1250||
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