Flowcharts & Processes

Binary Search Algorithm Step-by-Step

Flowcharts & Algorithms diagram · made in Skemio

Flowchart of binary search checking bounds, computing mid, comparing target, branching left or right, and returning index or not found.
Flowchart of binary search checking bounds, computing mid, comparing target, branching left or right, and returning index or not found.
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What it shows

  • Requires sorted data; cuts the remaining search window by 50% each step.
  • Operates in O(log n) time compared to linear search at O(n).
  • Pointers mid, low, and high prevent unbounded memory allocations.

The takeaway

Divide and conquer turns linear scanning into logarithmic lookups by eliminating half the space per cycle.

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