백준 2563 색종이_JAVA

https://www.acmicpc.net/problem/2563

2563번: 색종이

 

 

 

 

 

import java.util.Scanner;

public class Main {

    public static void main(String args[]){
        Scanner sc = new Scanner(System.in);
        int  x , y, width=0 ;
        int[][] arr = new int[100][100];



        int n = sc.nextInt();

        for( int i = 0 ; i < n ; i++ ){

            x = sc.nextInt();
            y = sc.nextInt();

            for (int j = x ; j < x+10 ; j++){
                for(int k = y ; k < y+10 ; k++){
                    if( arr[j][k] != 1 ){
                        arr[j][k] = 1;
                        width++;
                    }
                }
            }

        }

        System.out.println(width);


    }

}