解题思路:
注意事项:
参考代码:
import java.util.Arrays; import java.util.Scanner; import javax.swing.text.html.CSS; public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int[][] n = new int[3][3]; int a = 0, b = 0, c = 0; for (int i = 0; i < n.length; i++) { for (int j = 0; j < n[i].length; j++) { n[i][j] = scanner.nextInt(); } } // 每行之和都相等 for (int j = 0; j < 3; j++) { a = a + n[j][0]; b = b + n[j][1]; c = c + n[j][2]; } if (a == b && b == c) { // 每列之和都相等 for (int j = 0; j < 3; j++) { a = a + n[0][j]; b = b + n[1][j]; c = c + n[2][j]; } if (a == b && b == c) { // 对角线之和都相等 a = a + n[0][0]+ n[1][1]+ n[2][2]; b = b +n[2][2]+ n[1][1]+ n[0][0]; if (a == b) { System.out.print(1); } else { System.out.print(0); } } else { System.out.print(0); } } else { System.out.print(0); } } }
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