python/RuMenJingDian/UVa/UVa508.cpp

#include <bits/stdc++.h>

using namespace std;

//保存字符--莫尔斯电码
map<char, string> char_morse_map;

//保存单词--莫尔斯电码
map<string, string> word_morse_map;

//获取字符和单词的莫尔斯电码映射
void input_MorseMap() {
    int i;
    char ch;
    string Morse, Words;
    while ((cin >> ch) && ch != '*') {
        cin >> Morse;
        char_morse_map.insert(pair<char, string>(ch, Morse));
    }
    while ((cin >> Words) && Words[0] != '*') {
        Morse = "", i = 0;
        while (Words.length() != i)
            Morse += (*char_morse_map.find(Words[i++])).second;
        word_morse_map.insert(pair<string, string>(Words, Morse));
    }
}

//比较两个莫尔斯电码的长度，返回匹配不成功的长度差
int getComplen(string src, string obj) {
    int i = 0;
    for (i = 0; src[i] == obj[i]; i++);
    return obj.length() - i; //这么写for循环判断是不是相等，是不是太调皮了~ 这个长度差是从目标串中减去相同长度获取到的
}

//进行莫尔斯电码匹配单词
void printMorseData() {
    bool flag;
    string MorseWord;
    int min, len;
    map<string, string>::iterator iter, ret;
    while (cin >> MorseWord && MorseWord[0] != '*') {
        flag = false;
        //精确匹配
        for (iter = word_morse_map.begin(); iter != word_morse_map.end(); iter++)
            if (iter->second == MorseWord)
                if (flag) cout << "!";
                else cout << iter->first, flag = true;
        //模糊匹配 由于摩斯密码只能截断，所以获取的摩斯密码只能比原来的数据短
        if (!flag) {
            min = 80;
            for (iter = word_morse_map.begin(); iter != word_morse_map.end(); iter++)
                if (iter->second.length() > MorseWord.length()) {
                    len = getComplen(MorseWord, iter->second);
                    if (len < min)
                        min = len, ret = iter;
                }
            cout << ret->first << "?";
        }
        cout << endl;
    }
}

//主函数
int main() {
    //读入数据文件
    //FILE *fp = freopen("data6.in", "r", stdin);
    //重载输出文件
    //freopen("data6.out", "w", stdout);
    //使得cin cout的效率同scanf和printf一样
    ios::sync_with_stdio(false);

    //获取映射数据
    input_MorseMap();

    //打印摩斯数据
    printMorseData();

    //重定向打开之后，不关闭的话就很痛苦了，关闭则万事大吉~
    //freopen("CON", "r", stdin);
    //freopen("CON", "w", stdout);
    return 0;
}