Medium Accuracy: 49.68%
Submissions: 4436 Points: 4
Implement pow(x, n) % M.
In other words, given x, n and M, find (xn) % M.
Example 1:
Input:
x = 3, n = 2, m = 4Output:
1
Explanation:
32 = 9. 9 % 4 = 1.
Example 2:
Input:
x = 2, n = 6, m = 10
Output:
4Explanation:
26 = 64. 64 % 10 = 4.
Your Task:
You don't need to read or print anything. Your task is to complete the function PowMod() which takes integers x, n and M as input parameters and returns xn % M.
Expected Time Complexity: O(log(n)) Expected Space Complexity: O(1)
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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.
POTD
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