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Refactor CompactSegmentTree and add dedicated tests#1274

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williamfiset merged 1 commit into
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refactor-compact-segment-tree
Mar 10, 2026
Merged

Refactor CompactSegmentTree and add dedicated tests#1274
williamfiset merged 1 commit into
masterfrom
refactor-compact-segment-tree

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Summary

  • Add detailed file-level header explaining bottom-up array layout, use cases, and complexity
  • Fix package/header ordering, replace FQN java.util.Arrays with proper import
  • Make UNIQUE static final, add Javadoc on all public methods with @param/@return
  • Add educational inline comments on modify() and query() explaining the bit tricks
  • Move alternative function() implementations into Javadoc, remove dead example1() code
  • Add 11 new tests: sum queries, single/two elements, point updates, negative values, empty range, larger arrays

Test plan

  • All 11 new CompactSegmentTreeTest tests pass
  • Existing segment tree tests unaffected (bazel test ...segmenttree:all)

🤖 Generated with Claude Code

Apply SKILL.md conventions: fix package/header order, add detailed
file-level docs explaining bottom-up array layout, replace FQN with
import, make UNIQUE static final, add Javadoc on all public methods,
add educational inline comments, clean up main(). Add 11 new tests
covering sum queries, point updates, negative values, edge cases.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
@williamfiset williamfiset force-pushed the refactor-compact-segment-tree branch from e2d2301 to 71359c8 Compare March 10, 2026 04:50
@williamfiset williamfiset deleted the refactor-compact-segment-tree branch March 10, 2026 04:59
@williamfiset williamfiset restored the refactor-compact-segment-tree branch March 10, 2026 05:09
@williamfiset williamfiset reopened this Mar 10, 2026
@williamfiset williamfiset merged commit 891a227 into master Mar 10, 2026
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@williamfiset williamfiset deleted the refactor-compact-segment-tree branch March 10, 2026 05:10
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