linux下的mysql修改默认编码

import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); while (scanner.hasNext()) { int n = scanner.nextInt(); int m = scanner.nextInt(); int[][] init = new int[n][n]; for (int i = 0; i < n; i++) { for (int j = 0; j < n; j++) { init[i][j] = scanner.nextInt(); } } int[][] result = new int[n][n]; for (int i = 0; i < n; i++) { result[i][i] = 1; } powerOperation(result, init, m); printMatrix(result); } } private static void printMatrix(int[][] result) { int len = result.length; for (int i = 0; i < len; i++) { for (int j = 0; j < len; j++) { System.out.print(result[i][j]); System.out.print(j == len - 1 ? "\r\n" : " "); } } } private static void powerOperation(int[][] result, int[][] init, int m) { int len = init.length; for (int i = 0; i < m; i++) { int[][] temp = new int[len][len]; for (int j = 0; j < len; j++) { for (int j2 = 0; j2 < len; j2++) { for (int k = 0; k < len; k++) { temp[j][j2] += result[j][k] * init[k][j2]; } } } for (int j = 0; j < len; j++) { for (int j2 = 0; j2 < len; j2++) { result[j][j2] = temp[j][j2]; } } } } }

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