DSA · Theory

RR Rotation

Theory

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Zara only reaches for RR Rotation when a RR Rotation dry-run has to stay correct in lab hour.

Keep RR Rotation small. Zara should finish a RR Rotation dry-run in a few lines, not a 40-line dump.

Skip RR Rotation and copy-pasting RR Rotation without a dry-run shows up in lab hour.

RR Rotation shows up in lab hour. Name a RR Rotation dry-run, not “a real-world scenario”.

If a RR Rotation dry-run breaks under RR Rotation, check copy-pasting RR Rotation without a dry-run first.

After RR Rotation, Zara should still remember copy-pasting RR Rotation without a dry-run.

Viva for RR Rotation: what it is → one RR Rotation step Zara can write from memory → the mistake (copy-pasting RR Rotation without a dry-run).

Exam tip

Board: a RR Rotation dry-run. Dry-run RR Rotation. Name the trap: copy-pasting RR Rotation without a dry-run.

# RR Rotation
data = [4, 1, 3]
print("start", data)
if data[0] > data[1]:
    data[0], data[1] = data[1], data[0]
print("after one step", data)

RR Rotation: dry-run [4, 1, 3]. Say the list after one step.