Check If an Integer is Even or Odd
Learn how to check if a number is even or odd in C++ using the modulus operator and bitwise AND method. Includes examples, explanations, and efficient constant-time code.
Bit Manipulation
Find the Missing Number in Array
Find the missing number in an array from the range [0, n] using optimal approaches like XOR, sum formula, hashing, and more with C++ code, examples, dry run, and complexity analysis.
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