Merge pull request ows-ali#180 from petridisa/master

Add gameWithCells in java Thanks :)

Hackerrank/bon-appetit.java

@@ -0,0 +1,44 @@
+import java.io.*;
+import java.math.*;
+import java.security.*;
+import java.text.*;
+import java.util.*;
+import java.util.concurrent.*;
+import java.util.function.*;
+import java.util.regex.*;
+import java.util.stream.*;
+import static java.util.stream.Collectors.joining;
+import static java.util.stream.Collectors.toList;
+
+public class Solution {
+
+    // Complete the bonAppetit function below.
+    static void bonAppetit(List<Integer> bill, int k, int b) {
+        int total=0;
+        for(int i=0;i<bill.size();i++){
+            if(i!=k)total+=bill.get(i);
+        }total/=2;
+    if(total==b)System.out.println("Bon Appetit");
+    else System.out.println(b-total);
+    }
+
+    public static void main(String[] args) throws IOException {
+        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
+
+        String[] nk = bufferedReader.readLine().replaceAll("\\s+$", "").split(" ");
+
+        int n = Integer.parseInt(nk[0]);
+
+        int k = Integer.parseInt(nk[1]);
+
+        List<Integer> bill = Stream.of(bufferedReader.readLine().replaceAll("\\s+$", "").split(" "))
+            .map(Integer::parseInt)
+            .collect(toList());
+
+        int b = Integer.parseInt(bufferedReader.readLine().trim());
+
+        bonAppetit(bill, k, b);
+
+        bufferedReader.close();
+    }
+}

Hackerrank/compare-the-triplets.java

@@ -0,0 +1,54 @@
+ import java.io.*;
+import java.math.*;
+import java.security.*;
+import java.text.*;
+import java.util.*;
+import java.util.concurrent.*;
+import java.util.function.*;
+import java.util.regex.*;
+import java.util.stream.*;
+import static java.util.stream.Collectors.joining;
+import static java.util.stream.Collectors.toList;
+
+public class Solution {
+
+    // Complete the compareTriplets function below.
+    static List<Integer> compareTriplets(List<Integer> a, List<Integer> b) {
+        List <Integer> score = new ArrayList<>();
+        int ascore=0;int bscore=0;
+        for(int i=0;i<3;i++){
+            if(a.get(i)>b.get(i))ascore++;
+            else if(a.get(i)==b.get(i))continue;
+            else bscore++;
+        }
+        score.add(0,ascore);
+        score.add(1,bscore);
+        return score;
+
+    }
+
+    public static void main(String[] args) throws IOException {
+        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
+        BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(System.getenv("OUTPUT_PATH")));
+
+        List<Integer> a = Stream.of(bufferedReader.readLine().replaceAll("\\s+$", "").split(" "))
+            .map(Integer::parseInt)
+            .collect(toList());
+
+        List<Integer> b = Stream.of(bufferedReader.readLine().replaceAll("\\s+$", "").split(" "))
+            .map(Integer::parseInt)
+            .collect(toList());
+
+        List<Integer> result = compareTriplets(a, b);
+
+        bufferedWriter.write(
+            result.stream()
+                .map(Object::toString)
+                .collect(joining(" "))
+            + "\n"
+        );
+
+        bufferedReader.close();
+        bufferedWriter.close();
+    }
+}

Hackerrank/day-of-the-programmer.java

@@ -0,0 +1,55 @@
+import java.io.*;
+import java.math.*;
+import java.security.*;
+import java.text.*;
+import java.util.*;
+import java.util.concurrent.*;
+import java.util.function.*;
+import java.util.regex.*;
+import java.util.stream.*;
+import static java.util.stream.Collectors.joining;
+import static java.util.stream.Collectors.toList;
+
+public class Solution {
+
+    // Complete the dayOfProgrammer function below.
+    static String dayOfProgrammer(int year) {
+        boolean leap=false;
+        String day;
+        int d=13,m=9;
+        leap =(year%4==0);
+        if(year>1918){
+            if(year%400==0)leap=true;
+            else if(year%4==0&&year%100!=0)leap=true;
+            else leap=false;
+        }
+        if(leap)d--;
+        if(year==1918)d=26;
+        if(d<10&&m<10)
+        day= "0"+d+".0"+m+"."+year;
+        else if(d<10)
+        day= "0"+d+"."+m+"."+year;
+        else if(m<10)
+        day= d+".0"+m+"."+year;
+        else 
+        day= d+"."+m+"."+year;
+        return day;
+
+
+    }
+
+    public static void main(String[] args) throws IOException {
+        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
+        BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(System.getenv("OUTPUT_PATH")));
+
+        int year = Integer.parseInt(bufferedReader.readLine().trim());
+
+        String result = dayOfProgrammer(year);
+
+        bufferedWriter.write(result);
+        bufferedWriter.newLine();
+
+        bufferedReader.close();
+        bufferedWriter.close();
+    }
+}

Hackerrank/gameWithCells.java

@@ -0,0 +1,40 @@
+import java.io.*;
+import java.math.*;
+import java.text.*;
+import java.util.*;
+import java.util.regex.*;
+
+public class Solution {
+
+    /*
+     * Complete the gameWithCells function below.
+     */
+    static int gameWithCells(int n, int m) {
+        int counter=0;
+        for(int i=0;i<n;i+=2){
+            for(int j=0;j<m;j+=2){
+                counter++;
+            }
+        }
+        return counter;
+    }
+
+    private static final Scanner scanner = new Scanner(System.in);
+
+    public static void main(String[] args) throws IOException {
+        BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(System.getenv("OUTPUT_PATH")));
+
+        String[] nm = scanner.nextLine().split(" ");
+
+        int n = Integer.parseInt(nm[0].trim());
+
+        int m = Integer.parseInt(nm[1].trim());
+
+        int result = gameWithCells(n, m);
+
+        bufferedWriter.write(String.valueOf(result));
+        bufferedWriter.newLine();
+
+        bufferedWriter.close();
+    }
+}

Hackerrank/kangaroo.java

@@ -0,0 +1,44 @@
+import java.io.*;
+import java.math.*;
+import java.security.*;
+import java.text.*;
+import java.util.*;
+import java.util.concurrent.*;
+import java.util.regex.*;
+
+public class Solution {
+
+    // Complete the kangaroo function below.
+    static String kangaroo(int x1, int v1, int x2, int v2) {
+        if(v1==v2 && x1!=x2)return "NO";
+        if(v2>v1)return "NO";
+        if((x2-x1)%(v1-v2)==0)return "YES";
+        return "NO";
+
+    }
+
+    private static final Scanner scanner = new Scanner(System.in);
+
+    public static void main(String[] args) throws IOException {
+        BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(System.getenv("OUTPUT_PATH")));
+
+        String[] x1V1X2V2 = scanner.nextLine().split(" ");
+
+        int x1 = Integer.parseInt(x1V1X2V2[0]);
+
+        int v1 = Integer.parseInt(x1V1X2V2[1]);
+
+        int x2 = Integer.parseInt(x1V1X2V2[2]);
+
+        int v2 = Integer.parseInt(x1V1X2V2[3]);
+
+        String result = kangaroo(x1, v1, x2, v2);
+
+        bufferedWriter.write(result);
+        bufferedWriter.newLine();
+
+        bufferedWriter.close();
+
+        scanner.close();
+    }
+}

README.md

@@ -96,6 +96,7 @@ In this repository, you can find the solutions (as source code) for the problems
 | [Deepanshu Sinha](https://github.com/sinhaDroid) <br> <img src="https://github.com/sinhaDroid.png" width="100" height="100">      | India                  | Python, Android, Java, Javascript                            |     https://www.linkedin.com/in/deepanshu-sinha/                                                        |
 | [Jared Moser](https://github.com/JM0S3R) <br> <img src="https://github.com/JM0S3R.png" width="100" height="100">      | United States                  | C++, Javascript                            |                                                             |
 | [Matei Oltean](https://github.com/Matei13) <br> <img src="https://github.com/Matei13.png" width="100" height="100">   | France    |   OCaml   |   |
+| [Andreas Petridis](https://github.com/petridisa) <br> <img src="https://github.com/petridisa.png" width="100" height="100">   | Greece   | Java |   |
 | [Lam Tran](https://github.com/Lam7150) <br> <img src="https://avatars2.githubusercontent.com/u/29765024?s=460&v=4" width="100" height="100">      | United States                  | Java                            |     http://linkedin.com/in/lamgtran/                                                        |