Codeforces Fox And Snake

题目链接：http://codeforces.com/problemset/problem/510/A

import java.util.Scanner;public class FoxAndSnake {public static void main(String[] args) {Scanner scanner = new Scanner(System.in);int n = scanner.nextInt();int m = scanner.nextInt();String[][] strings = new String[n+1][m+1];for(int i = 1; i <=m; i++) {strings[1][i] = "#";}for(int i =2 ; i <= n; i++) {if(i % 2 == 0) {int k = i / 2;if(k % 2 != 0) {strings[i][m] = "#";strings[i][1] = ".";} else {strings[i][1] = "#";strings[i][m] = ".";}} else {strings[i][1] = "#";strings[i][m] = "#";}for(int j = 2; j < m; j++) {if(i % 2 == 0) {strings[i][j] = ".";} else {strings[i][j] = "#";}}}for(int i = 1; i <=n; i++) {for(int j = 1; j <= m; j++) {System.out.print(strings[i][j]);}System.out.println();}}}