diff --git a/.classpath b/.classpath
new file mode 100644
index 0000000..fb50116
--- /dev/null
+++ b/.classpath
@@ -0,0 +1,6 @@
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diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ba077a4
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
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diff --git a/.project b/.project
new file mode 100644
index 0000000..ec29ddd
--- /dev/null
+++ b/.project
@@ -0,0 +1,17 @@
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+ fun
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diff --git a/.settings/org.eclipse.jdt.core.prefs b/.settings/org.eclipse.jdt.core.prefs
new file mode 100644
index 0000000..5ace4c6
--- /dev/null
+++ b/.settings/org.eclipse.jdt.core.prefs
@@ -0,0 +1,369 @@
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+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_annotation=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_array_initializer=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_constructor_declaration_parameters=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_constructor_declaration_throws=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_enum_constant_arguments=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_enum_declarations=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_explicitconstructorcall_arguments=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_for_increments=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_for_inits=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_method_declaration_parameters=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_method_declaration_throws=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_method_invocation_arguments=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_multiple_field_declarations=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_multiple_local_declarations=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_parameterized_type_reference=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_superinterfaces=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_type_arguments=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_type_parameters=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_ellipsis=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_angle_bracket_in_parameterized_type_reference=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_angle_bracket_in_type_arguments=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_angle_bracket_in_type_parameters=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_annotation_type_declaration=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_anonymous_type_declaration=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_array_initializer=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_block=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_constructor_declaration=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_enum_constant=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_enum_declaration=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_method_declaration=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_switch=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_type_declaration=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_bracket_in_array_allocation_expression=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_bracket_in_array_reference=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_bracket_in_array_type_reference=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_annotation=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_annotation_type_member_declaration=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_catch=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_constructor_declaration=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_enum_constant=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_for=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_if=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_method_declaration=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_method_invocation=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_parenthesized_expression=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_switch=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_synchronized=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_try=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_while=insert
+org.eclipse.jdt.core.formatter.insert_space_before_parenthesized_expression_in_return=insert
+org.eclipse.jdt.core.formatter.insert_space_before_parenthesized_expression_in_throw=insert
+org.eclipse.jdt.core.formatter.insert_space_before_postfix_operator=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_prefix_operator=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_question_in_conditional=insert
+org.eclipse.jdt.core.formatter.insert_space_before_question_in_wildcard=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_semicolon=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_semicolon_in_for=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_semicolon_in_try_resources=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_unary_operator=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_brackets_in_array_type_reference=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_empty_braces_in_array_initializer=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_empty_brackets_in_array_allocation_expression=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_annotation_type_member_declaration=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_constructor_declaration=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_enum_constant=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_method_declaration=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_method_invocation=do not insert
+org.eclipse.jdt.core.formatter.join_lines_in_comments=true
+org.eclipse.jdt.core.formatter.join_wrapped_lines=true
+org.eclipse.jdt.core.formatter.keep_else_statement_on_same_line=false
+org.eclipse.jdt.core.formatter.keep_empty_array_initializer_on_one_line=false
+org.eclipse.jdt.core.formatter.keep_imple_if_on_one_line=false
+org.eclipse.jdt.core.formatter.keep_then_statement_on_same_line=false
+org.eclipse.jdt.core.formatter.lineSplit=80
+org.eclipse.jdt.core.formatter.never_indent_block_comments_on_first_column=false
+org.eclipse.jdt.core.formatter.never_indent_line_comments_on_first_column=false
+org.eclipse.jdt.core.formatter.number_of_blank_lines_at_beginning_of_method_body=0
+org.eclipse.jdt.core.formatter.number_of_empty_lines_to_preserve=1
+org.eclipse.jdt.core.formatter.put_empty_statement_on_new_line=true
+org.eclipse.jdt.core.formatter.tabulation.char=mixed
+org.eclipse.jdt.core.formatter.tabulation.size=8
+org.eclipse.jdt.core.formatter.use_on_off_tags=false
+org.eclipse.jdt.core.formatter.use_tabs_only_for_leading_indentations=false
+org.eclipse.jdt.core.formatter.wrap_before_binary_operator=true
+org.eclipse.jdt.core.formatter.wrap_before_or_operator_multicatch=true
+org.eclipse.jdt.core.formatter.wrap_outer_expressions_when_nested=true
diff --git a/.settings/org.eclipse.jdt.ui.prefs b/.settings/org.eclipse.jdt.ui.prefs
new file mode 100644
index 0000000..2181f62
--- /dev/null
+++ b/.settings/org.eclipse.jdt.ui.prefs
@@ -0,0 +1,3 @@
+eclipse.preferences.version=1
+formatter_profile=org.eclipse.jdt.ui.default.sun_profile
+formatter_settings_version=12
diff --git a/resources/zombie_input.txt b/resources/zombie_input.txt
new file mode 100644
index 0000000..a894aac
--- /dev/null
+++ b/resources/zombie_input.txt
@@ -0,0 +1,16 @@
+3
+4
+1 0 0
+-1 0 0
+10 10 1000
+10 -10 1000
+3
+1 1 0
+2 2 0
+3 3 0
+5
+10 10 1000
+-10 10 1000
+10 -10 1000
+-10 10 1000
+20 20 2000
\ No newline at end of file
diff --git a/src/com/mxia/personal/ZombieSmasher.java b/src/com/mxia/personal/ZombieSmasher.java
new file mode 100644
index 0000000..3bc5b8a
--- /dev/null
+++ b/src/com/mxia/personal/ZombieSmasher.java
@@ -0,0 +1,117 @@
+package com.mxia.personal;
+
+import java.io.BufferedReader;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.OutputStreamWriter;
+import java.io.PrintWriter;
+import java.text.MessageFormat;
+import java.util.StringTokenizer;
+
+public class ZombieSmasher {
+
+ private static final int TIME_ZOMBIE_LIFE = 1000;
+ private static final int TIME_MOVE_ADJ = 100;
+ private static final int TIME_RECHARGE = 750;
+
+ public static void main(String[] args) {
+ BufferedReader in = null;
+ PrintWriter out = new PrintWriter(new OutputStreamWriter(System.out));
+ try {
+ in = new BufferedReader(new InputStreamReader(new FileInputStream(
+ "resources/zombie_input.txt")));
+ String line = in.readLine();
+ if (line != null) {
+ int cases = Integer.parseInt(line);
+ for (int i = 1; i <= cases; ++i) {
+ solve(i, in, out);
+ }
+ }
+ } catch (Exception e) {
+ e.printStackTrace();
+ } finally {
+ if (in != null) {
+ try {
+ in.close();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ }
+ out.close();
+ }
+ }
+
+ private static void solve(int caseNumber, BufferedReader in, PrintWriter out)
+ throws IOException, NumberFormatException {
+ int zCount = Integer.parseInt(in.readLine());
+ int[] x = new int[zCount];
+ int[] y = new int[zCount];
+ int[] time = new int[zCount];
+ StringTokenizer st;
+ for (int i = 0; i < zCount; ++i) {
+ st = new StringTokenizer(in.readLine());
+ x[i] = Integer.parseInt(st.nextToken());
+ y[i] = Integer.parseInt(st.nextToken());
+ time[i] = Integer.parseInt(st.nextToken());
+ }
+
+ int[][] minTime = new int[zCount][zCount];
+
+ for (int i = 0; i < zCount; ++i) {
+ for (int j = 0; j < zCount; ++j) {
+ minTime[i][j] = Integer.MAX_VALUE;
+ }
+ }
+
+ for (int i = 0; i < zCount; ++i) {
+ // compute the time needed to move from (0, 0) to (x[i], y[i])
+ int moveTime = Math.max(Math.abs(x[i]), Math.abs(y[i]))
+ * TIME_MOVE_ADJ;
+ if (moveTime <= time[i] + TIME_ZOMBIE_LIFE) {
+ // could get there in time
+ minTime[i][0] = Math.max(moveTime, time[i]);
+ }
+ }
+
+ for (int index1 = 0; index1 < zCount; ++index1) {
+ for (int index2 = 0; index2 < zCount; ++index2) {
+ if (index2 == index1) {
+ continue;
+ }
+ // time to get from (x[i], y[i]) to (x[j], y[j])
+ int moveTime = Math.max(
+ TIME_RECHARGE,
+ Math.max(Math.abs(x[index1] - x[index2]),
+ Math.abs(y[index1] - y[index2]))
+ * TIME_MOVE_ADJ);
+ for (int j = 0; j < zCount; ++j) {
+ if (minTime[index1][j] == Integer.MAX_VALUE) {
+ continue;
+ }
+ int timeToNextZ = minTime[index1][j] + moveTime;
+ if (timeToNextZ < minTime[index2][j + 1]
+ && timeToNextZ <= time[index2] + TIME_ZOMBIE_LIFE) {
+ minTime[index2][j + 1] = Math.max(timeToNextZ,
+ time[index2]);
+ }
+ }
+ }
+ }
+
+ // matrix is built; now find how many columns (minTime[][j]) have non
+ // default values, indicating z[j] is reachable
+ int count = 0;
+ for (int j = 0; j < zCount; ++j) {
+ for (int i = 0; i < zCount; ++i) {
+ if (minTime[i][j] != Integer.MAX_VALUE) {
+ count++;
+ break;
+ }
+ }
+ }
+
+ System.out.println(MessageFormat.format("Case #{0}: {1}", caseNumber,
+ count));
+ }
+}