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Commit 17bab778 authored by Ethan Ordentlich's avatar Ethan Ordentlich
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.idea/.gitignore 0 → 100644
View file @ 17bab778
# Default ignored files
/shelf/
/workspace.xml
.idea/libraries/org_junit_jupiter_junit_jupiter_5_6_0_M1.xml 0 → 100644
View file @ 17bab778
<component name="libraryTable">
<library name="org.junit.jupiter:junit-jupiter:5.6.0-M1" type="repository">
<properties maven-id="org.junit.jupiter:junit-jupiter:5.6.0-M1" />
<CLASSES>
<root url="jar://$MAVEN_REPOSITORY$/org/junit/jupiter/junit-jupiter/5.6.0-M1/junit-jupiter-5.6.0-M1.jar!/" />
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<root url="jar://$MAVEN_REPOSITORY$/org/junit/jupiter/junit-jupiter-engine/5.6.0-M1/junit-jupiter-engine-5.6.0-M1.jar!/" />
<root url="jar://$MAVEN_REPOSITORY$/org/junit/platform/junit-platform-engine/1.6.0-M1/junit-platform-engine-1.6.0-M1.jar!/" />
</CLASSES>
<JAVADOC />
<SOURCES />
</library>
</component>
\ No newline at end of file
.idea/misc.xml 0 → 100644
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="true" project-jdk-name="11" project-jdk-type="JavaSDK">
<output url="file://$PROJECT_DIR$/out" />
</component>
</project>
\ No newline at end of file
.idea/modules.xml 0 → 100644
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ProjectModuleManager">
<modules>
<module fileurl="file://$PROJECT_DIR$/TestingExploration.iml" filepath="$PROJECT_DIR$/TestingExploration.iml" />
</modules>
</component>
</project>
\ No newline at end of file
.idea/uiDesigner.xml 0 → 100644
View file @ 17bab778
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="Palette2">
<group name="Swing">
<item class="com.intellij.uiDesigner.HSpacer" tooltip-text="Horizontal Spacer" icon="/com/intellij/uiDesigner/icons/hspacer.png" removable="false" auto-create-binding="false" can-attach-label="false">
<default-constraints vsize-policy="1" hsize-policy="6" anchor="0" fill="1" />
</item>
<item class="com.intellij.uiDesigner.VSpacer" tooltip-text="Vertical Spacer" icon="/com/intellij/uiDesigner/icons/vspacer.png" removable="false" auto-create-binding="false" can-attach-label="false">
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<initial-values>
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<default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
<initial-values>
<property name="text" value="CheckBox" />
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<default-constraints vsize-policy="0" hsize-policy="0" anchor="8" fill="0" />
<initial-values>
<property name="text" value="Label" />
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<default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
<preferred-size width="150" height="-1" />
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<preferred-size width="150" height="50" />
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<preferred-size width="-1" height="20" />
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<default-constraints vsize-policy="6" hsize-policy="0" anchor="0" fill="2" />
</item>
</group>
</component>
</project>
\ No newline at end of file
.idea/vcs.xml 0 → 100644
View file @ 17bab778
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="VcsDirectoryMappings">
<mapping directory="$PROJECT_DIR$" vcs="Git" />
</component>
</project>
\ No newline at end of file
TestingExploration.iml 0 → 100644
View file @ 17bab778
<?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" />
<sourceFolder url="file://$MODULE_DIR$/tests" isTestSource="true" />
</content>
<orderEntry type="inheritedJdk" />
<orderEntry type="sourceFolder" forTests="false" />
<orderEntry type="library" name="org.junit.jupiter:junit-jupiter:5.6.0-M1" level="project" />
</component>
</module>
\ No newline at end of file
src/IntStringMath.java 0 → 100644
View file @ 17bab778
public class IntStringMath {
/**
* Compute num1 + num2, when num1 and num2 are given as Strings
* @param num1
* @param num2
* @return
*/
public static String add(String num1, String num2) {
if (num1.startsWith("-") && num2.startsWith("-")) {
return "-" + add(num1.substring(1), num2.substring(1));
} else if (num1.startsWith("-")) {
return subtract(num2, num1.substring(1));
} else if (num2.startsWith("-")) {
return subtract(num1, num2.substring(1));
}
String result = "";
int carry = 0;
for (int i = num1.length() - 1; i >= 0; i --) {
int dig = Integer.parseInt(String.valueOf(num1.charAt(i))) + Integer.parseInt(String.valueOf(num2.charAt(i))) + carry;
carry = dig / 10;
dig %= 10;
result = dig + result;
}
if (carry != 0) {
result = carry + result;
}
return result;
}
/**
* Compute num1 - num2, when num1 and num2 are given as Strings
* @param num1
* @param num2
* @return
*/
public static String subtract(String num1, String num2) {
if (num1.startsWith("-") && num2.startsWith("-")) {
return subtract(num2.substring(1), num1);
} else if (num1.startsWith("-")) {
return add(num1, num2);
} else if (num2.startsWith("-")) {
return add(num1, num2);
}
String result = "";
int borrow = 0;
for (int i = num1.length() - 1; i >= 0; i --) {
int dig = Integer.parseInt(String.valueOf(num1.charAt(i))) - Integer.parseInt(String.valueOf(num2.charAt(i))) + borrow;
if (dig < 0) {
borrow = -1;
} else {
borrow = 0;
}
dig *= borrow;
result = dig + result;
}
if (borrow != 0) {
result += "-" + result;
}
return result;
}
}
src/LinkedListNumber.java 0 → 100644
View file @ 17bab778
public class LinkedListNumber {
private static class DigitNode {
public int digit;
public DigitNode next;
public DigitNode(int digit) {
this.digit = digit;
}
}
}
tests/IntStringMathTests.java 0 → 100644
View file @ 17bab778
import org.junit.jupiter.api.Test;
public class IntStringMathTests {
}
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