字母阵列(18JavaC3)

标题: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"。

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

PESISEATZNCDFRMXBQUKBFTIGYSFCWVHPMSUSDKPSCOMVLDOHYQVFHAJKRDTAVLIMNZBZSMLMRTLRPSLAHXDBASDMWAAYBPYVJZF

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请提交一个整数,不要填写任何多余的内容。

参考答案:

41

参考代码:

package bb;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.Arrays;
public class JC18_3字母阵列 {
static char[][] arr2D = new char[100][100];
static int count = 0;
public static void main(String[] args) throws IOException {
// 读入文件
FileReader fr = new FileReader("JavaC3.txt");
BufferedReader br = new BufferedReader(fr);
String sLine;
int lineNo = 0;
while ((sLine = br.readLine()) != null) {
arr2D[lineNo] = sLine.toCharArray();
lineNo++;
}
br.close();
fr.close();
// 打印二维数组
for (int i = 0; i < arr2D.length; i++) {
System.out.println(Arrays.toString(arr2D[i]));
}
// 匹配
for (int i = 0; i < 100; i++) {
for (int j = 0; j < 100; j++) {
if (arr2D[i][j] == 'L') {
fun(i, j);
}
}
}
System.out.println(count);
}
static void fun(int x, int y) {
boolean state;
String str = "LANQIAO";
int a, b, index;
// 向上
state = true;
a = x;
b = y;
index = 1;
if (x >= 6) {
while (state && index < 7) {
a--;
if (arr2D[a][b] == str.charAt(index)) {
index++;
} else {
state = false;
}
}
if (index == 7) {
System.out.println(x + " " + y + "向上");
count++;
}
}
// 向下
state = true;
a = x;
b = y;
index = 1;
if (x <= 93) {
while (state && index < 7) {
a++;
if (arr2D[a][b] == str.charAt(index)) {
index++;
} else {
state = false;
}
}
if (index == 7) {
System.out.println(x + " " + y + "向下");
count++;
}
}
// 向左
state = true;
a = x;
b = y;
index = 1;
if (y >= 6) {
while (state && index < 7) {
b--;
if (arr2D[a][b] == str.charAt(index)) {
index++;
} else {
state = false;
}
}
if (index == 7) {
System.out.println(x + " " + y + "向左");
count++;
}
}
// 向右
state = true;
a = x;
b = y;
index = 1;
if (y <= 93) {
while (state && index < 7) {
b++;
if (arr2D[a][b] == str.charAt(index)) {
index++;
} else {
state = false;
}
}
if (index == 7) {
System.out.println(x + " " + y + "向右");
count++;
}
}
// 左上
state = true;
a = x;
b = y;
index = 1;
if (x >= 6 && y >= 6) {
while (state && index < 7) {
a--;
b--;
if (arr2D[a][b] == str.charAt(index)) {
index++;
} else {
state = false;
}
}
if (index == 7) {
System.out.println(x + " " + y + "左上");
count++;
}
}
// 右上
state = true;
a = x;
b = y;
index = 1;
if (x >= 6 && y <= 93) {
while (state && index < 7) {
a--;
b++;
if (arr2D[a][b] == str.charAt(index)) {
index++;
} else {
state = false;
}
}
if (index == 7) {
System.out.println(x + " " + y + "右上");
count++;
}
}
// 左下
state = true;
a = x;
b = y;
index = 1;
if (x <= 93 && y >= 6) {
while (state && index < 7) {
a++;
b--;
if (arr2D[a][b] == str.charAt(index)) {
index++;
} else {
state = false;
}
}
if (index == 7) {
System.out.println(x + " " + y + "左下");
count++;
}
}
// 右下
state = true;
a = x;
b = y;
index = 1;
if (x <= 93 && y <= 93) {
while (state && index < 7) {
a++;
b++;
if (arr2D[a][b] == str.charAt(index)) {
index++;
} else {
state = false;
}
}
if (index == 7) {
System.out.println(x + " " + y + "右下");
count++;
}
}
}
}

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