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Author: mrusnaczyk

Challenges II/bin/Hartals/Main.class

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+// @JUDGE_ID:	859464  10050  Java  "Hartals"
+package Hartals;
+
+import java.util.*;
+
+public class Main {
+
+	public static void main(String[] args) 
+	{
+		Scanner s = new Scanner(System.in);
+		
+		int numCases = s.nextInt();
+		
+		for(int z = 0; z < numCases; z++)
+		{
+			int simulationLength = s.nextInt();
+			int numParties = s.nextInt();
+			int[] hartalParams = new int[numParties];
+			int numHartals = 0;
+			
+			//collect a hartal parameter for each political party
+			for(int i = 0; i < numParties; i++)
+				hartalParams[i] = s.nextInt();
+			
+			for(int day = 1; day <= simulationLength; day++)
+			{
+				//check if it's Friday or Saturday
+				if((day % 7 != 6) && (day % 7 != 0))
+				{
+					for(int h: hartalParams)
+					{
+						//check if a Hartal was supposed to occur for each party
+						if(day % h == 0)
+						{
+							numHartals++;
+							break;
+						}
+					}
+				}
+			}
+			
+			System.out.println(numHartals);
+		}
+		s.close();
+		System.exit(0);
+	}
+}

Challenges II/bin/Jolly_Jumpers/Main.class

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+// @JUDGE_ID:	859464  10038  Java  "Jolly Jumpers"
+package Jolly_Jumpers;
+
+import java.util.Scanner;
+
+public class Main {
+
+	public static void main(String[] args) {
+		Scanner s = new Scanner(System.in);
+
+		while (true) {
+			try {
+				int[] set = new int[s.nextInt()];
+				boolean[] jumper = new boolean[set.length];
+				jumper[0] = true;
+				boolean nonJumper = false;
+
+				// populate array
+				for (int i = 0; i < set.length; i++)
+					set[i] = s.nextInt();
+
+				// check if absolute difference between two consecutive numbers is in between 0 and n-1
+				for (int i = 1; i < set.length; i++) {
+					int diff = Math.abs(set[i] - set[i - 1]);
+					if (diff > 0 && diff < set.length)
+						jumper[diff] = true;
+				}
+
+				// check to make sure every number was found
+				for (boolean b : jumper) {
+					if (!b) {
+						nonJumper = true;
+						break;
+					}
+				}
+
+				if (nonJumper)
+					System.out.println("Not jolly");
+				else
+					System.out.println("Jolly");
+
+			} catch (Exception e) {
+				s.close();
+				System.exit(0);
+			}
+		}
+	}
+}