Algorithmic Toolbox | Week 4
Course Name: Algorithmic Toolbox
Course Link: Algorithmic Toolbox
These are Algorithmic Toolbox Week 4 Programming Assignment Coursera Answers
Programming Assignment 4: Divide and Conquer
4-1: Binary Search
def binary_search(keys, query):
left = 0
right = len(keys) - 1
while right >= left:
middle = (left + right) // 2
if keys[middle] == query:
return middle
elif keys[middle] < query:
left = middle + 1
else:
right = middle - 1
return -1
if __name__ == '__main__':
num_keys = int(input())
input_keys = list(map(int, input().split()))
assert len(input_keys) == num_keys
num_queries = int(input())
input_queries = list(map(int, input().split()))
assert len(input_queries) == num_queries
results = []
for q in input_queries:
results.append(binary_search(input_keys, q))
print(' '.join(map(str, results)))
These are Algorithmic Toolbox Week 4 Programming Assignment Coursera Answers
4-2: Binary Search with Duplicates
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These are Algorithmic Toolbox Week 4 Programming Assignment Coursera Answers
4-3: Majority Element
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These are Algorithmic Toolbox Week 4 Programming Assignment Coursera Answers
4-4: Improving QuickSort
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These are Algorithmic Toolbox Week 4 Programming Assignment Coursera Answers
4-5: Inversions
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These are Algorithmic Toolbox Week 4 Programming Assignment Coursera Answers
4-6: Organizing a Lottery
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These are Algorithmic Toolbox Week 4 Programming Assignment Coursera Answers
4-7:Closest Points
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These are Algorithmic Toolbox Week 4 Programming Assignment Coursera Answers
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