No LeetCode / Codeforces questions found. Content covers:

• Pattern printing (Pattern 8–12)

• Bitwise operators: &,

  , ^, ~, «, »

• Unique Number (find single non-repeating element using XOR)
• Check Odd/Even (bitwise)
• Set/Clear/Check/Flip Kth bit
• Count Set Bits
• Compound assignment operators

Homework problems:

• Pattern 10 & 12 (pattern printing with odd N)
• Longest Run of 1s — find longest consecutive 1s in binary
• Hamming Distance — count differing bits between two ints
• Power of 2 — check if N is a power of 2
• Power of 4 — check if N is a power of 4

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