字母阵列
仔细寻找，会发现：在下面的8x8的方阵中，隐藏着字母序列："LANQIAO"。0 000 000 000 000 0000
SLANQIAO
ZOEXCCGB
MOAYWKHI
BCCIPLJQ
SLANQIAO
RSFWFNYA
XIFZVWAL
COAIQNAL
我们约定: 序列可以水平，垂直，或者是斜向；
并且走向不限（实际上就是有一共8种方向）。
上图中一共有4个满足要求的串。
下面有一个更大的（100x100）的字母方阵。
你能算出其中隐藏了多少个“LANQIAO”吗？
FOAIQNALWIKEGNICJWAOSXDHTHZPOLGYELORAUHOHCZIERPTOOJUITQJCFNIYYQHSBEABBQZPNGYQTCLSKZFCYWDGOAIADKLSNGJ
GSOZTQKCCSDWGUWAUOZKNILGVNLMCLXQVBJENIHIVLRPVVXXFTHQUXUAVZZOFFJHYLMGTLANQIAOQQILCDCJERJASNCTLYGRMHGF
TSDFYTLVIBHKLJVVJUDMKGJZGNNSTPVLCKTOFMUEUFSVQIAUVHNVFTGBDDARPKYNNCUOYUAZXQJNOEEYKLFRMOEMHUKJTPETHLES
FKVINSLWEVGAGMKVFVIUBMYOIAFHLVNKNTYKTZWVXQWRWIGPENFXYDTKRVPKRTHMGHVYOCLDCKMEKRLGEKBYUCLOLYPAKPFSOREH
KWPUOLOVMOFBIXYACWRDYBINTMPASPCEOKHXQIGBQQMCEOIVULIEOPFSCSIHENAJCVDPJDOIWIIULFDNOZOFVAMCABVGKAKCOZMG
XWMYRTAFGFOCNHLBGNGOXPJSTWLZUNNAGIRETGXFWAQSSJPFTQAXMTQWMZWYVEPQERKSWTSCHSQOOBGXAQTBCHOEGBDVKGWJIFTG
ZWWJEIISPLMXIMGHOOGDRZFTGNDDWDWMNUFWJYJGULPHNUFSAQNNIUVAAFZIAZKFXXNWCEABGJAUMGYEIEFVQXVHHHEDYUITRCQB
XZHDPZQTOBECJVBZLACVXACZEDYOGVAVQRNWEOWGRAQYUEUESTEDQTYJUTEFOOITSHDDZHONJGBRCWNEQLZUTBNQIADKNFIOMWZR
EBFKCVNLURZSNPOLTISRPDTNUMCDGKTYRGIOVEPTUTSBAWQKWWEUWIWHAANUZUADGZEATZOQICWFUJTWNZDBKLQNELWVTBNDLNFH
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请提交一个整数，不要填写任何多余的内容。
这题我研究过，也搜过答案，不过是存在争议的，这里是我的个人答案，希望有朋友能给出真正的答案，欢迎私聊！
思路：递归，二维数组（保存寻找字符串阵列）
首先确定要寻找字符串的头字母
然后确定要寻找字符串头字母在二维数组中索引
带着索引进入递归开始按二维数组定义的八个方向开始寻找对应的字符串，
个人理解题目中的，并且走向不变，字符串序列在矩阵中可一条直线，也可蜿蜒曲折；故得出答案5
下面代码并不是标准输出形式，是测试版
package Lqb;
public class Text29 {
static String str="LANQIAO"; //要寻找字符串
static int wh=8; //长宽
static char[][] arr=new char[wh][wh]; //二维数组
static int count=0; //计数
public static void main(String[] args) {
String s = "SLANQIAOZOEXCCGBMOAYWKHIBCCIPLJQSLANQIAORSFWFNYAXIFZVWALCOAIQNAL";
int a=0;
for(int i=0;i<wh;i++){ //将字符串放入二维字符数组
for(int j=0;j<wh;j++){
arr[i][j]=s.charAt(a++);
}
}
fun();
}
//寻找
public static void fun(){
for(int i=0;i<wh;i++){ //遍历每个要寻找字符串的头字母
for(int j=0;j<wh;j++){
if(arr[i][j]==str.charAt(0)){ //找到头字母，接下来开始方向验证
System.out.println("L="+i+","+j);
dg(1,i,j);
}
}
}
}
//方向验证
public static void dg(int start,int i,int j){ //Start 每个需要寻找字母序号
if(start==7){
count++;
System.out.println("count="+count+"\n");
return;
}
// 定义二维数组 保存8个方向，便于循环比较 列如：s[p][q] 和 s[p][q+1]， q+1就相当于向右移动一位
int[][] move = { { 0, 1 }, { 1, 1 }, { 1, 0 }, { 1, -1 }, { 0, -1 }, { -1, -1 }, { -1, 0 }, { -1, 1 }};
for(int m=0;m<8;m++){ //遍历八个方向
int newX=i+move[m][0]; //新编号
int newY=j+move[m][1];
if(newX<wh&&newX>=0&&newY<wh&&newY>=0&&str.charAt(start)==arr[newX][newY]){
System.out.println("["+newX+","+newY+"] "+str.charAt(start)+"="+arr[newX][newY]);
dg(start+1,newX,newY);
break;
}
}
}
}