牛客_裁减网格纸

裁减网格纸
https://www.nowcoder.com/practice/65865c6644154bb4acca764b1480ecbb

import java.util.Scanner;

public class Main {
    public static void main(String[] args){
        Scanner in = new Scanner(System.in);

        while(in.hasNext()){
            solution(in);
        }
    }

    /**
     * 贪心
     * @param in
     */
    private static void solution(Scanner in){
        int n = in.nextInt();

        int x,y;
        int minX = Integer.MAX_VALUE;
        int minY = Integer.MAX_VALUE;
        int maxX = Integer.MIN_VALUE;
        int maxY = Integer.MIN_VALUE;
        for(int i=1; i<=n; i++){
            x = in.nextInt();
            y = in.nextInt();

            minX = Math.min(minX, x);
            maxX = Math.max(maxX, x);
            minY = Math.min(minY, y);
            maxY = Math.max(maxY, y);

//                if(x < minX){
//                    minX = x;
//                }
//                if(x > maxX){
//                    maxX = x;
//                }
//                if(y < minY){
//                    minY = y;
//                }
//                if(y > maxY){
//                    maxY = y;
//                }
        }

        int edge = Math.max(maxX-minX, maxY-minY);
        System.out.println(edge*edge);
    }
}