Add dynamic-programming module: ten classic DP problems, memoization vs tabulation vs space-optimised, call-count and pitfall transcripts (11 tests)

2026-11-09 08:41:01 +00:00
parent 911aef5515
commit cb1b28682f
33 changed files with 1551 additions and 0 deletions
@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+# Regenerates every file in output/. Needs JDK 25 and Maven. The first Maven run must be online.
+# 01-11 are written by JUnit tests that assert the same numbers they print (deterministic).
+# 12 runs SpaceDemo under a 48 MB heap: the outcome is deterministic, the "max heap" line is whatever the JVM reports.
+set -euo pipefail
+cd "$(dirname "$0")/.."
+mkdir -p output
+mvn -B -q -T1 test
+mvn -B -q -T1 compile
+{ java -Xmx48m -cp target/classes com.ankurm.interviewlab.dp.SpaceDemo 2>&1 | grep -v '^Picked up JAVA_TOOL_OPTIONS' ; } > output/12-space-demo.txt
+echo "done:"; ls -1 output