878750. AP Term
AP Term
Slug: ap-term--150919 Difficulty: Easy Id: 878750 Topic Tags: python-operators, CPP, Java, C Company Tags: None
Summary
The AP Term problem is an easy-level algorithmic problem that involves processing a string of characters to determine if it meets certain criteria. The key concepts involved are basic string manipulation and character comparison.
Detailed Explanation
To solve this problem, we will iterate through the input string and check each character against a set of predefined conditions (AP term criteria). We will use these criteria to determine whether the character is an AP term or not.
Here's a step-by-step breakdown of the solution:
- Initialize a flag
is_ap_termtofalse. - Iterate through the input string from left to right.
- For each character, check if it meets the AP term criteria (e.g., is alphabetic, numeric, or special).
- If the character meets the criteria, set
is_ap_termtotrue. - If the entire string has been processed and
is_ap_termremainsfalse, returnfalse. Otherwise, returntrue.
Time complexity analysis: The time complexity of this algorithm is O(n), where n is the length of the input string, since we are processing each character once.
Space complexity analysis: The space complexity of this algorithm is O(1), as we are not using any additional space that scales with the input size.
Optimized Solutions
Java
public boolean isAPTerm(String str) {
boolean is_ap_term = false;
for (char c : str.toCharArray()) {
if (!is_ap_term && Character.isLetterOrDigit(c)) {
is_ap_term = true;
}
}
return is_ap_term;
}