小编Bob*_*bby的帖子

我有一个程序,使用for循环打印出字符串的字符.它还必须反向打印相同的字符,这是我遇到问题的地方.有人可以帮我弄清楚为什么第二个for循环没有执行？

int main()
{
    string myAnimal;

    cout << "Please enter the name of your favorite animal.\n";
    cin >> myAnimal;

    // This loop works fine
    int i;
    for(i = 0; i < myAnimal.length(); i++){
        cout << myAnimal.at(i) << endl;
    }

    // This one isn't executing
    for(i = myAnimal.length(); i > -1; i--){
        cout << myAnimal.at(i) << endl;
    }
    return 0;
}

我正在做一个要求我使用函数检查两个字符串是否相等的赋值.我一直在第20行得到一个解析错误,这里调用了函数,我不知道出了什么问题.如果您发现可能导致问题的原因,请查看并告诉我.谢谢!

#include <iostream>
#include <string>

using namespace std;

bool checker(string firstWordParameter, string secondWordParameter);

int main()
{
    string firstWord, secondWord;
    bool match;

    cout << "Hello user.\n"
         << "This program will determine whether two words are the same.\n"
         << "Please enter your first word you would like to check: ";
    getline(cin, firstWord);
    cout << "Great, now enter the second word: ";
    getline(cin, secondWord);

    match = bool checker(firstWord, secondWord);

    if(match == true){
        cout << "Match.";
    }else{
        cout << "Totally not a match.";
    } …