Submission #124408

#	Time	Username	Problem	Language	Result	Execution time	Memory
124408		KhalilBenGamra	Strange Device (APIO19_strange_device)	Java	0 / 100	915 ms	524288 KiB

strange_device

import java.util.*;
import java.io.*;
public class strange_device {

	public static void main(String[] args)  throws IOException
	 { 
		 Scanner scan = new Scanner(System.in);
		 PrintWriter out=new PrintWriter(System.out);
		 int n = scan.nextInt();
		 int a = scan.nextInt();
		 int b = scan.nextInt();
		 int count = 0;
		 boolean [][] found = new boolean[100000][100000];
		 for (int i = 0; i < n; i++) {
			 int f = scan.nextInt();
			 int l = scan.nextInt();
			 for (int j = f; j <= l; j++) {
				int x = ((j+(int)Math.floor(j/b))%a);
				int y = j % b;
				//System.out.println("("+x+","+y+")");
				if(!found[x][y]){
					count ++;
					found[x][y] = true ;
				}
			}
		 }
		 out.println(count);
		 out.close();
	 }
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 5
• Subtask 3: 0 / 5
• Subtask 4: 0 / 5
• Subtask 5: 0 / 5
• Subtask 6: 0 / 20
• Subtask 7: 0 / 20
• Subtask 8: 0 / 30