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我正在用 cpp 制作我的第一个程序。总之，小游戏。该轮的规则是从一行中随机选择一个单词，将其替换为“...”，要求输入单词并检查它是否与替换前的单词相同。我只有在最后一个词被替换的情况下才有问题。即使我写同一个词，我得到的答案也不好。在调试时检查了它，我看不出替换最后一个词或任何其他词之间的区别。正如我所写，不仅仅使用该行的最后一个字。

逻辑：从文件中读取行，将它们添加到向量中。选择一个随机行，逐字添加到下一个向量擦除所有空格，选择随机单词，替换，打印句子，键入，比较。

 vector<string> thirdRoundSentences;
 vector<string> arrayWithOneLineStrings;
 string chosenLine;
 string wholeSentenceLine;
 string delimiter;

  ifstream fileRoundThree("../../langGame/roundThree.txt");

    while (getline(fileRoundThree, line)) {
        thirdRoundSentences.push_back(line);
    }
    fileRoundThree.close();
}

 srand(time(0));
    random = rand() % thirdRoundSentences.size();

    wholeSentenceLine = thirdRoundSentences[random];
    chosenLine = wholeSentenceLine;
    delimiter = " ";

    size_t pos = 0;

    while ((pos = wholeSentenceLine.find(delimiter)) != std::string::npos) { 
        token = wholeSentenceLine.substr(0, pos);
        wholeSentenceLine.erase(0, pos + delimiter.length());  //erase word one by one from whole sentence
        arrayWithOneLineStrings.push_back(token);
    }
    arrayWithOneLineStrings.push_back(wholeSentenceLine); //add last left word to vector

    srand(time(0));
    random = rand() % arrayWithOneLineStrings.size();

    token = arrayWithOneLineStrings[random];

    if (chosenLine.find(token) != string::npos) {
        chosenLine.replace(chosenLine.find(token), token.size(), "...");
    }

    cout << "\n" << chosenLine<< "\n";
    cin >> typeWord;
    arrayWithOneLineStrings.clear();

    if (typeWord == token) {
        scorer.addPoints();
    } else {

这就是我所说的。打印

Piece of ...
cake  //typed word

 Wrong!

 Right answer is: cake
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