蓝桥杯——字母阵列(2018JavaC组第3题)

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++;
            }
        }
    }
}

蓝桥杯——字母阵列(2018JavaC组第3题)

原文：https://www.cnblogs.com/tigerlion/p/11182883.html