integers, and x is an integer in the array A, and l and r are indices l ≤ r between which the element x is located in A. The algorithm S returns the index (location) of the element x in the array A. H(A, x, l, r): if l == r: return l else: m = (l+r)//2 # // returns integer component upon division: 7//2=3 if x <= A[m]: return H(A, x, l, m) else: return H(A, x, m+1, r) Derive formally the running time of this algorithm and formally prove the correctness of the running time bound for the worst case, ie. O
integers, and x is an integer in the array A, and l and r are indices l ≤ r between which the element x is located in A. The algorithm S returns the index (location) of the element x in the array A. H(A, x, l, r): if l == r: return l else: m = (l+r)//2 # // returns integer component upon division: 7//2=3 if x <= A[m]: return H(A, x, l, m) else: return H(A, x, m+1, r) Derive formally the running time of this algorithm and formally prove the correctness of the running time bound for the worst case, ie. O
Question
Consider the following algorithm S, in which A represents a sorted array of n integers, and
x is an integer in the array A, and l and r are indices l ≤ r between which the element x is located in A.
The algorithm S returns the index (location) of the element x in the array A.
H(A, x, l, r):
if l == r:
return l
else:
m = (l+r)//2 # // returns integer component upon division: 7//2=3
if x <= A[m]:
return H(A, x, l, m)
else:
return H(A, x, m+1, r)
Derive formally the running time of this algorithm and formally prove the correctness of the running
time bound for the worst case, ie. O()
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