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CoursesSearch & Priority Patterns

Search on Answers

Lessons
8
Exercises
48
Minutes
49
  1. 1

    Binary Search the Answer

    Recognize 'smallest X that works' problems and binary search the candidate answers, not the input.

    Multiple choiceTap
    5 exercises
    4 min
  2. 2

    Sqrt(x) Without Sqrt

    The simplest answer-space search: find the largest m whose square still fits under x.

    Complete codeDebugMultiple choiceTrace
    6 exercises
    5 min
  3. 3

    Koko Eating Bananas

    Binary search the eating speed: the smallest k whose per-pile hours fit within h.

    Complete codeMultiple choiceTrace
    6 exercises
    6 min
  4. 4

    Capacity to Ship Packages

    Spot the answer-space pattern: binary search over capacities, with a greedy day count as the yes/no check.

    Complete codeMultiple choiceTrace
    6 exercises
    6 min
  5. 5

    Minimum Days for Bouquets

    Build a feasibility check with a twist: bouquets need k ADJACENT bloomed flowers, so the scan counts runs — and guard the impossible case first.

    DebugFill blankMultiple choiceTrace
    5 exercises
    6 min
  6. 6

    Search on Answers CheckpointCheckpoint

    No new concepts — recognize the answer space, choose the bounds, run the feasibility check, and shrink correctly across the island's problems.

    DebugFill blankMultiple choiceTrace
    5 exercises
    6 min
  7. 7

    Search on Answers ReviewReview

    Mixed recap of the island: spotting answer-space problems, the minimize update rules, Koko's hours check, greedy day packing, the sqrt flip, and bouquet adjacency.

    Complete codeDebugMultiple choiceTap
    7 exercises
    6 min
  8. 8

    Boss: Split Array Largest SumBoss

    The hard classic, cracked open: binary search the cap on the largest piece sum between max(nums) and sum(nums), with greedy left-to-right packing as the feasibility check.

    Complete codeCode orderMultiple choiceTapTrace
    8 exercises
    10 min
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Search & Priority Patterns is part of AlgoFox Pro

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