To solve this problem, we need to determine if a given list of integers is strictly increasing. A list is strictly increasing if each element is greater than the previous one.
Approach
- Trivial Cases: A list with 0 or 1 elements is always strictly increasing.
- Check Consecutive Pairs: For lists with more than one element, iterate through the list and check if each element is strictly less than the next. If any element is not strictly less than the next, the list is not strictly increasing.
Solution Code
def is_increasing(nums):
if len(nums) <= 1:
return True
for i in range(len(nums)-1):
if nums[i] >= nums[i+1]:
return False
return True
nums = list(map(int, input().split()))
result = is_increasing(nums)
print(result)
Explanation
-
Function
is_increasing:- Trivial Case Handling: If the list length is ≤1, return
Trueimmediately. - Loop Through Pairs: The loop runs from
0tolen(nums)-2(since we check each element with the next one). For each indexi, ifnums[i]is greater than or equal tonums[i+1], returnFalse. - Return Result: If all pairs are strictly increasing, return
True.
- Trivial Case Handling: If the list length is ≤1, return
-
Main Execution:
- Read input as a list of integers.
- Call
is_increasingon the list. - Print the result (either
TrueorFalse).
This approach efficiently checks the strictly increasing property with a time complexity of O(n), where n is the length of the list, as it only iterates through the list once. The space complexity is O(1) since no additional space is used except for variables.
Answer: The filled blanks are len(nums)-1 and >=. The complete code is as above.


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