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POC++ - An if statement checking strings improperly
 

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  1. POC++ - An if statement checking strings improperly
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    <p><Code></p> <pre><code>#include &lt;iostream&gt; #include &lt;string&gt; using namespace std; string questionOneAnswer; string questionTwoAnswer; string questionThreeAnswer; class quizAshton{ public: string question1(){ cout &lt;&lt; "What is your favorite food?" &lt;&lt; endl; cin &gt;&gt; questionOneAnswer; return questionOneAnswer; } string question2(){ cout &lt;&lt; "What is the name of someone you hate?" &lt;&lt; endl; cin &gt;&gt; questionTwoAnswer; return questionTwoAnswer; } string question3(){ cout &lt;&lt; "Hi! (yes or no)" &lt;&lt; endl; cin &gt;&gt; questionThreeAnswer; return questionThreeAnswer; } }; int main() { quizAshton ashtonAnswers; ashtonAnswers.question1(); ashtonAnswers.question2(); ashtonAnswers.question3(); if (questionThreeAnswer!= "yes" or "no"){ cout &lt;&lt; "I asked for a yes or no! You betrayed me!" &lt;&lt; endl; return 0; } cout &lt;&lt; "APPARENTLY your favorite food is " &lt;&lt; questionOneAnswer &lt;&lt; "... I guess I wouldn't really believe that unless it was eaten by " &lt;&lt; questionTwoAnswer &lt;&lt; "and is the cat ready...: " &lt;&lt; questionThreeAnswer &lt;&lt; endl; return 0; } </code></pre> <p></Code></p> <p>The "if" statement under main, even if I put yes or no or an invalid answer, will still continue the if statement. (no matter what I put, it will still display the message inside the if statement).</p> <pre><code>if (questionThreeAnswer!= "yes" or "no"){ cout &lt;&lt; "I asked for a yes or no! You betrayed me!" &lt;&lt; endl; return 0; } </code></pre> <p>I know this is a simple fix, but i'm not entirely sure what. I'm a bit of a noobie. Also, this may or may not be the most efficient way of doing what i'm trying to do, but this is mostly for practice.</p>
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    1. COfirst guess, carriege return ( enter ) is also in your stored string... anyway, you cant do `questionThreeAnswer!= "yes" or "no"` ( SQL? ) it has to be `if( questionthreeAnswer != "yes" || questionthreeanswer != "no" )`
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      1. USNajzero
    2. COif (questionThreeAnswer!= "yes" || questionThreeAnswer!= "no"){ cout << "I asked for a yes or no! You betrayed me!" << endl; return 0; } still gives me the message even if I put yes or no
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      1. USuser1550744
    3. COyou should use "&&". because you want the message to show when its NOT "yes" AND NOT "no"
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      1. USJohan Hjalmarsson
 

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