22软件3班+吴锦辉.zip

package xiangmusan; import java.util.Scanner; public class Main { public static void main(String[] args) { int[][] matrix = new int[5][5]; Scanner scanner = new Scanner(System.in); for (int i = 0; i < 5; i++) { System.out.printf("请输入第%d行五个数，用空格隔开：", i+1); for (int j = 0; j < 5; j++) { matrix[i][j] = scanner.nextInt(); } } int maxNum = matrix[0][0]; int minNum = matrix[0][0]; int maxRow = 0; int maxCol = 0; int minRow = 0; int minCol = 0; for (int i = 0; i < 5; i++) { for (int j = 0; j < 5; j++) { if (matrix[i][j] > maxNum) { maxNum = matrix[i][j]; maxRow = i; maxCol = j; } if (matrix[i][j] < minNum) { minNum = matrix[i][j]; minRow = i; minCol = j; } } } System.out.printf("最大值为%d，位置为第%d行第%d列\n", maxNum, maxRow+1, maxCol+1); System.out.printf("最小值为%d，位置为第%d行第%d列\n", minNum, minRow+1, minCol+1); int sum1 = 0; int sum2 = 0; for (int i = 0; i < 5; i++) { sum1 += matrix[i][i]; sum2 += matrix[i][4-i]; } System.out.printf("主对角线元素之和为%d\n", sum1); System.out.printf("副对角线元素之和为%d\n", sum2); } }