asmhatreandClaude Sonnet 5.5
911aef5515
Co-Authored-By: Claude Sonnet 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_017ic4b6EqSkUWKNBc8i3Q3U
22 lines
964 B
Plaintext
22 lines
964 B
Plaintext
Opposite-end two pointers
|
|
=========================
|
|
|
|
Two Sum II: sorted [1, 3, 4, 6, 8, 11], target 10
|
|
lo=0 hi=5 1 + 11 = 12 > 10 hi--
|
|
lo=0 hi=4 1 + 8 = 9 < 10 lo++
|
|
lo=1 hi=4 3 + 8 = 11 > 10 hi--
|
|
lo=1 hi=3 3 + 6 = 9 < 10 lo++
|
|
lo=2 hi=3 4 + 6 = 10 == 10 found
|
|
answer = indices [2, 3]
|
|
|
|
Container With Most Water: heights [1, 8, 6, 2, 5, 4, 8, 3, 7]
|
|
lo=0 hi=8 min(1,7) x 8 = 8 best=8 lo++ (left line is shorter)
|
|
lo=1 hi=8 min(8,7) x 7 = 49 best=49 hi-- (right line is not taller)
|
|
lo=1 hi=7 min(8,3) x 6 = 18 best=49 hi-- (right line is not taller)
|
|
lo=1 hi=6 min(8,8) x 5 = 40 best=49 hi-- (right line is not taller)
|
|
lo=1 hi=5 min(8,4) x 4 = 16 best=49 hi-- (right line is not taller)
|
|
lo=1 hi=4 min(8,5) x 3 = 15 best=49 hi-- (right line is not taller)
|
|
lo=1 hi=3 min(8,2) x 2 = 4 best=49 hi-- (right line is not taller)
|
|
lo=1 hi=2 min(8,6) x 1 = 6 best=49 hi-- (right line is not taller)
|
|
answer = 49
|