import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
String[] num = sc.nextLine().split(" ");
int x1 = Integer.parseInt(num[0]);
int y1 = Integer.parseInt(num[1]);
int x2 = Integer.parseInt(num[2]);
int y2 = Integer.parseInt(num[3]);
print(x1, y1, x2, y2);
}
public static void print(int x1, int y1, int x2, int y2) {
// 首先判断输入的数据是否满足条件
if (x1 == x2 && Math.abs(y1 - y2) > 1) {
int line = (Math.abs(y1 - y2) - 1) / 2;
int yushu = Math.abs(y1 - y2) % 2;
int line1 = line;
int y11 = y1 - line1;
int y21 = y2 + line1;
// 分成两种情况进行讨论,第一种是|y1-y2|为奇数
if (yushu == 1) {
int count = 0;
for (int i = 1; i <= 10; i++) {
if(i<x1){
for (int j = 1; j <= 10; j++) {
System.out.print("-" + " ");
}
System.out.println();
}
// 上面两个等腰直角
if (i == x1 + count && line >= 0) {
for (int j = 1; j <= 10; j++) {
if (j >= y1 - count && j <= y1 + count || j >= y2 - count && j <= y2 + count) {
System.out.print("#" + " ");
} else {
System.out.print("-" + " ");
}
}
count++;
System.out.println();
line--;
// 下面这个大的等腰直角
} else if (line < 0) {
for (int j = 1; j <= 10; j++) {
if (j >= (y11) && j <= (y21)) {
System.out.print("#" + " ");
} else {
System.out.print("-" + " ");
}
}
y11++;
y21--;
System.out.println();
}
}
}
// 第二种情况,|y1-y2|为偶数
if (yushu == 0) {
int count = 0;
for (int i = 1; i <= 10; i++) {
if(i<x1){
for (int j = 1; j <= 10; j++) {
System.out.print("-" + " ");
}
System.out.println();
}
// 上面两个等腰直角
if (i == x1 + count && line >= 0) {
for (int j = 1; j <= 10; j++) {
if (j >= y1 - count && j <= y1 + count || j >= y2 - count && j <= y2 + count) {
System.out.print("#" + " ");
} else {
System.out.print("-" + " ");
}
}
count++;
System.out.println();
line--;
// 下面这个大的等腰直角
} else if (line < 0) {
for (int j = 1; j <= 10; j++) {
if (j >= (y11 - 1) && j <= (y21 + 1)) {
System.out.print("#" + " ");
} else {
System.out.print("-" + " ");
}
}
y11++;
y21--;
System.out.println();
}
}
}
}
}
}
代码很潦草,能基本实现要求,但是还需要增加一个输出的判断,当输出到一行的末尾时,不应该带有空格。