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eraydmrcoglueraydmrcoglu
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‎Medium/BinaryConverter.java

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import java.util.*;
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import java.io.*;
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class Main {
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public static int MathChallenge(String str) {
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// Abdullah Tas
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int decimal = Integer.valueOf(str,2);
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return decimal;
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}
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public static void main (String[] args) {
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// keep this function call here
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Scanner s = new Scanner(System.in);
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System.out.print(MathChallenge(s.nextLine()));
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}
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}

‎Medium/BracketMatcher.java

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import java.util.*;
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import java.io.*;
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class Main {
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public static String BracketMatcher(String str) {
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if(!str.contains("(") && !str.contains(")"))
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return "1";
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Stack<String> stack = new Stack<String>();
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String[] strArray = str.split("");
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for(int i=0; i < strArray.length; i++){
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String x = strArray[i];
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if(x.equals("("))
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stack.push(x);
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if(x.equals(")")){
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if(stack.isEmpty())
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return "0";
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String y = stack.peek();
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if(x.equals(")") && y.equals("(")){
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stack.pop();
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}else{
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return "0";
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}
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}
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}
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if(stack.isEmpty())
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return "1";
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else
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return "0";
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}
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public static void main (String[] args) {
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// keep this function call here
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Scanner s = new Scanner(System.in);
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System.out.print(BracketMatcher(s.nextLine()));
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}
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}

‎Medium/Division.java

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import java.util.*;
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import java.io.*;
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class Main {
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public static int MathChallenge(int n1, int n2) {
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while(n1 != n2){
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if(n1>n2)
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n1 -= n2;
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else
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n2 -= n1;
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}
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return n1;
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}
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public static void main (String[] args) {
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// keep this function call here
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Scanner s = new Scanner(System.in);
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System.out.print(MathChallenge(s.nextLine()));
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}
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}

‎Medium/FormattedNumber.java

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import java.util.*;
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import java.io.*;
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class Main {
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public static String StringChallenge(String str) {
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String newstr="";
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for ( int i = 0 ; i < str.length() ; i++){
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char letter = str.charAt(i);
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if ( letter >= 'a' && letter <= 'z' || letter >= 'A' && letter <='Z'){
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if ( isControl(newstr,letter)) newstr += letter;
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}
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}
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return newstr.length() == 26 ? "true" : "false";
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}
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public static boolean isControl (String str, char x){
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for (int i =0 ; i<str.length(); i++){
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if(x==str.charAt(i)) return false;
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}
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return true;
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}
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public static void main (String[] args) {
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// keep this function call here
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Scanner s = new Scanner(System.in);
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System.out.print(StringChallenge(s.nextLine()));
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}
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}

‎Medium/HTMLElements.java

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import java.util.*;
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import java.io.*;
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class mediumChallenge {
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public static String[][] taken = {{"b","/b"},{"i","/i"},{"em","/em"},{"div","/div"},{"p","/p"}};
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public static boolean isFirstTerm(String str){
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for(String[] array: taken){
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if(array[0].equals(str)){
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return true;
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}
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}
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return false;
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}
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public static boolean matches(String firstTerm, String lastTerm){
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for(String[] array: taken){
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if(array[0].equals(firstTerm)){
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return array[1].equals(lastTerm);
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}
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}
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return false;
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}
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public static String StringChallenge(String str) {
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// code goes here
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String[] strArr=str.split("[<>]");
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ArrayList<String> arrList= new ArrayList<String>();
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Stack<String> stack= new Stack<String>();
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for(String s: strArr){
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for(String[] array: taken){
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if(s.equals(array[0])||s.equals(array[1])){
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arrList.add(s);
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}
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}
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}
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if(arrList.size()==1){
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return arrList.get(0);
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}
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for(int i=0;i<arrList.size();i++){
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if(isFirstTerm(arrList.get(i))) {
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stack.push(arrList.get(i));
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}
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else {
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String result= stack.pop();
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stack.push(result);
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if (stack.isEmpty()||!matches(stack.pop(), arrList.get(i))) {
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return result;
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}
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}
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}
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return "true";
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}
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public static void main (String[] args) {
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// keep this function call here
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Scanner s = new Scanner(System.in);
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System.out.print(StringChallenge(s.nextLine()));
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}
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}

‎Medium/MathChallenge.java

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import java.util.*;
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import java.io.*;
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class Main {
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public static List<List<Integer>> permute(int[] nums){
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List<List<Integer>> result = new ArrayList<>();
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Permutation(0,nums,result);
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return result;
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}
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public static void Permutation(int i,int[]nums,List<List<Integer>> result){
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if(i == nums.length-1){
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List<Integer> list = new ArrayList<>();
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for(int n: nums) list.add(n);
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result.add(list);
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}else{
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for(int j = i,l= nums.length;j<l;j++){
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int temp = nums[j];
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nums[j] = nums[i];
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nums[i] = temp;
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Permutation(i+1,nums,result);
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temp = nums[j];
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nums[j]= nums[i];
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nums[i] = temp;
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}
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}
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}
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public static boolean checkForPrime(int inputNumber){
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boolean isItPrime = true;
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if(inputNumber<=1){
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isItPrime=false;
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return isItPrime;
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}else{
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for(int i=2;i<= inputNumber/2;i++){
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if((inputNumber%i)== 0){
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isItPrime = false;
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break;
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}
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}
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return isItPrime;
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}
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}
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public static int concatenateArr(List<Integer> arr){
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int ans = arr.get(0);
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for(int i = 1; i<arr.size();i++){
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int l = (int)Math.floor(Math.log10(arr.get(i))+1);
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ans = ans * (int)Math.pow(10,1);
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ans += arr.get(i);
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}
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return ans;
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}
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public static int MathChallenge(int num) {
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String temp = Integer.toString(num);
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int[] myArray = new int[temp.length()];
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for(int i = 0;i< temp.length();i++){
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myArray[i]= temp.charAt(i)-'0';
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}
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List<List<Integer>> array = permute(myArray);
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//System.out.print(concatenateArr(array.get(4)));
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//System.out.print(array);
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for(int i=0;i<array.size();i++){
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if(checkForPrime(concatenateArr(array.get(i)))==true){
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return 1;
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}
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}
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return 0;
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}
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public static void main (String[] args) {
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// keep this function call here
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Scanner s = new Scanner(System.in);
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System.out.print(MathChallenge(s.nextLine()));
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}
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}

‎Medium/NumberSearch.java

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import java.util.*;
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import java.io.*;
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class Main {
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public static int NumberSearch(String str) {
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// code goes here
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double countLetter=0;
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double sumTotal=0;
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int result=0;
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for(int i=0;i<str.length();i++) {
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if(Character.isLetter(str.charAt(i))){
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countLetter++;
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}
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if(Character.isDigit(str.charAt(i))==true){
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sumTotal += Character.getNumericValue(str.charAt(i));
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}
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}
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result =(int) Math.round(sumTotal/countLetter);
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return result;
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}
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public static void main (String[] args) {
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// keep this function call here
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Scanner s = new Scanner(System.in);
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System.out.print(NumberSearch(s.nextLine()));
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}
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}

‎Medium/StarRating.java

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import java.util.*;
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import java.io.*;
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class Main {
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public static String StringChallenge(String str) {
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// code goes here
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float value = Float.parseFloat(str);
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int starCount = 0;
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String sonuc="";
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while(starCount < 5){
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if(value >= 1){
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sonuc+="full ";
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value-=1;
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}
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else if(value > 0){
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if(value+.25 >= 1){
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sonuc+="full ";
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}
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else if(value+.25 >= .5){
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sonuc+="half ";
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}
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else{
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sonuc+="empty ";
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}
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value-=value;
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}
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else{
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sonuc+="empty ";
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}
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starCount++;
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}
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return sonuc;
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}
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public static void main (String[] args) {
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// keep this function call here
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Scanner s = new Scanner(System.in);
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String str;
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str = s.nextLine();
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System.out.print(StringChallenge(str));
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}
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}

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