exp1_5.java

JAVA小程序

import java.util.Scanner;

public class exp1_5 {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		int[][] a;
		int col, row;
		System.out.println("Please input col&row:");

		Scanner in1 = new Scanner(System.in);
		col = in1.nextInt();
		Scanner in2 = new Scanner(System.in);
		row = in2.nextInt();

		a = new int[col][row];

		for (int i = 0; i < col; i++)
			for (int j = 0; j < row; j++)
				a[i][j] = 0;

		System.out.println("Please Input element of array:");
		for (int i = 0; i < col; i++)
			for (int j = 0; j < row; j++) {
				Scanner tmp = new Scanner(System.in);
				a[i][j] = tmp.nextInt();
			}
		int i, j, ii, jj, m = 0, n = 0,N=0;
		for (i = 0; i < col; i++)
			for (j = 0; j < row; j++) {
				m = a[i][j];
				for (ii = 0; ii < row; ii++)
					if (m < a[i][ii]) {
						n = -1;
						break;
					}
				for (jj = 0; jj < col; jj++)
					if (m > a[jj][j]) {
						n = -1;
						break;
					}
				if (n == -1) {
					n = 0;
					continue;
				}
				if (n == 0) {
					System.out.println(m);
					N++;
				}
			}

		if (N == 1)
			System.out.println("In total,There is " + N + " point.");
		else if (N > 1)
			System.out.println("In total,There are " + N + " points.");
		else if (N == 0)
			System.out.println("There is no point.");
	}

}