Medium Accuracy: 50.29%
Submissions: 31851 Points: 4
Given a string 's'. The task is to find the smallest window length that contains all the characters of the given string at least one time.
For eg. A = aabcbcdbca, then the result would be 4 as of the smallest window will be dbca.
Your Task:
You don't need to read input or print anything. Your task is to complete the function findSubString() which takes the string Sas input and returns the length of the smallest such window of the string.
Expected Time Complexity: O(256.N) Expected Auxiliary Space: O(256)
Constraints:
1 ≤ |S| ≤ 105
String may contain both type of English Alphabets.
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Avoid using static/global variables in coding problems as your code is tested
against multiple test cases and these tend to retain their previous values.
Passing the Sample/Custom Test cases in coding problems does not guarantee the
correctness of code. On submission, your code is tested against multiple test cases
consisting of all possible corner cases and stress constraints.
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