Printable worksheet ยท 2 of 4
Halving needs ordered data - Paper 2
Read the information, then answer the questions. An adult may read the instructions aloud. Show your working where asked.
Read before answering
Sorted list [7,9,11,13,15,17,19]; target 9. Binary search starts low=0, high=6. While low <= high, use mid = floor((low+high)/2); compare with target; stop on equality. If middle is smaller, set low=mid+1; otherwise high=mid-1. Stop absent when low>high. Indices start at zero.
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