Sap Labs Interview Question
Senior Software Development EngineersCountry: India
Interview Type: In-Person
It seems like you have provided a coding problem related to counting k-Spikes in a given array of stock prices. You want to find the number of elements that satisfy specific conditions related to their neighboring elements. Here's a possible approach to solving this problem using Python:
```python
def count_k_spikes(prices, k):
n = len(prices)
count = 0
for i in range(n):
left_count = 0
right_count = 0
# Count elements to the left of prices[i] that are less than prices[i]
for j in range(i - 1, -1, -1):
if prices[j] < prices[i]:
left_count += 1
if left_count >= k:
break
# Count elements to the right of prices[i] that are less than prices[i]
for j in range(i + 1, n):
if prices[j] < prices[i]:
right_count += 1
if right_count >= k:
break
# Check if prices[i] is a k-Spike
if left_count >= k and right_count >= k:
count += 1
return count
# Example usage
prices = [1, 2, 8, 5, 3, 4]
k = 2
result = count_k_spikes(prices, k)
print("Output is:", result) # Output is: 2
```
This code defines a function `count_k_spikes` that takes an array of prices and the value of k as input. It then iterates through each element of the array, counting the number of elements to the left and right that are less than the current element. If both counts are greater than or equal to k, then the current element is considered a k-Spike, and the count is incremented. Finally, the function returns the total count of k-Spikes in the array.
It seems like you have provided a coding problem related to counting k-Spikes in a given array of stock prices. You want to find the number of elements that satisfy specific conditions related to their neighboring elements. Here's a possible approach to solving this problem using Python:
- Abhishek August 31, 2023```python
def count_k_spikes(prices, k):
n = len(prices)
count = 0
for i in range(n):
left_count = 0
right_count = 0
# Count elements to the left of prices[i] that are less than prices[i]
for j in range(i - 1, -1, -1):
if prices[j] < prices[i]:
left_count += 1
if left_count >= k:
break
# Count elements to the right of prices[i] that are less than prices[i]
for j in range(i + 1, n):
if prices[j] < prices[i]:
right_count += 1
if right_count >= k:
break
# Check if prices[i] is a k-Spike
if left_count >= k and right_count >= k:
count += 1
return count
# Example usage
prices = [1, 2, 8, 5, 3, 4]
k = 2
result = count_k_spikes(prices, k)
print("Output is:", result) # Output is: 2
```
This code defines a function `count_k_spikes` that takes an array of prices and the value of k as input. It then iterates through each element of the array, counting the number of elements to the left and right that are less than the current element. If both counts are greater than or equal to k, then the current element is considered a k-Spike, and the count is incremented. Finally, the function returns the total count of k-Spikes in the array.