Naloga 5

naloga5/.gitignore

@@ -0,0 +1,29 @@
+### IntelliJ IDEA ###
+out/
+!**/src/main/**/out/
+!**/src/test/**/out/
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+bin/
+!**/src/main/**/bin/
+!**/src/test/**/bin/
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store

naloga5/.idea/.gitignore

@@ -0,0 +1,10 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Environment-dependent path to Maven home directory
+/mavenHomeManager.xml
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

naloga5/.idea/inspectionProfiles/Project_Default.xml

@@ -0,0 +1,19 @@
+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="PyPep8Inspection" enabled="true" level="INFORMATION" enabled_by_default="true">
+      <option name="ignoredErrors">
+        <list>
+          <option value="W292" />
+        </list>
+      </option>
+    </inspection_tool>
+    <inspection_tool class="PyUnresolvedReferencesInspection" enabled="true" level="WARNING" enabled_by_default="true">
+      <option name="ignoredIdentifiers">
+        <list>
+          <option value="tests.smoke.test_absences_sliding.TestAbsencesSliding.*" />
+        </list>
+      </option>
+    </inspection_tool>
+  </profile>
+</component>

naloga5/.idea/misc.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_24" default="true" project-jdk-name="homebrew-23" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>

naloga5/.idea/modules.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/naloga5.iml" filepath="$PROJECT_DIR$/naloga5.iml" />
+    </modules>
+  </component>
+</project>

naloga5/naloga5.iml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

naloga5/src/Naloga5.java

@@ -0,0 +1,58 @@
+import java.util.ArrayList;
+
+public class Naloga5 {
+    static String[][] getEditDistanceAlignments(String s1, String s2) {
+        int m = s1.length();
+        int n = s2.length();
+        int[][] dp = new int[m + 1][n + 1];
+
+
+        for (int i = 0; i <= m; i++) dp[i][0] = i;
+        for (int j = 0; j <= n; j++) dp[0][j] = j;
+
+
+        for (int i = 1; i <= m; i++) {
+            for (int j = 1; j <= n; j++) {
+                if (s1.charAt(i - 1) == s2.charAt(j - 1)) {
+                    dp[i][j] = dp[i - 1][j - 1];
+                } else {
+                    dp[i][j] = 1 + Math.min(dp[i - 1][j - 1], Math.min(dp[i - 1][j], dp[i][j - 1]));
+                }
+            }
+        }
+
+        ArrayList<String[]> result = new ArrayList<>();
+        backtrack(s1, s2, m, n, "", "", dp, result);
+
+        String[][] alignments = new String[result.size()][2];
+        for (int i = 0; i < result.size(); i++) {
+            alignments[i][0] = result.get(i)[0];
+            alignments[i][1] = result.get(i)[1];
+        }
+        return alignments;
+    }
+
+    static void backtrack(String s1, String s2, int i, int j, String aligned1, String aligned2, int[][] dp, ArrayList<String[]> result) {
+        if (i == 0 && j == 0) {
+            result.add(new String[]{new StringBuilder(aligned1).reverse().toString(), new StringBuilder(aligned2).reverse().toString()});
+            return;
+        }
+
+        if (i > 0 && j > 0 && s1.charAt(i - 1) == s2.charAt(j - 1) && dp[i][j] == dp[i - 1][j - 1]) {
+            backtrack(s1, s2, i - 1, j - 1, aligned1 + s1.charAt(i - 1), aligned2 + s2.charAt(j - 1), dp, result);
+        }
+
+        if (i > 0 && j > 0 && dp[i][j] == dp[i - 1][j - 1] + 1) {
+            backtrack(s1, s2, i - 1, j - 1, aligned1 + s1.charAt(i - 1), aligned2 + s2.charAt(j - 1), dp, result);
+        }
+
+        if (i > 0 && dp[i][j] == dp[i - 1][j] + 1) {
+            backtrack(s1, s2, i - 1, j, aligned1 + s1.charAt(i - 1), aligned2 + '-', dp, result);
+        }
+
+        if (j > 0 && dp[i][j] == dp[i][j - 1] + 1) {
+            backtrack(s1, s2, i, j - 1, aligned1 + '-', aligned2 + s2.charAt(j - 1), dp, result);
+        }
+    }
+}
+