Add sliding-window module: 12 sliding window and two-pointer interview problems, brute-force cross-checks, dry-run traces, operation counts, pitfalls (11 tests)

Co-Authored-By: Claude Sonnet 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_017ic4b6EqSkUWKNBc8i3Q3U
2026-11-09 08:40:07 +00:00
parent 4a9021d936
commit 911aef5515
26 changed files with 1600 additions and 0 deletions
@@ -0,0 +1,9 @@
+Max sum of 3 consecutive elements in [2, 1, 5, 1, 3, 2]
+=======================================================
+
+first window [2, 1, 5]  sum=8  best=8
+right=3  +1 -2  window=[1, 5, 1]  sum=7  best=8
+right=4  +3 -1  window=[5, 1, 3]  sum=9  best=9
+right=5  +2 -5  window=[1, 3, 2]  sum=6  best=9
+
+answer = 9