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For loop not letting me change input


It looks like your if statements are not doing what you expect. For instance:

if (grade[i]='B')
{
    // This code will *always* execute
}

You ought to be using the double equals == to compare a value, and a single equals = to assign a value.


(Edit after additional code change)

Inside the for-loop, you are trying to use cin to read in a single character. However, since the z is an integer, cin is looking for a valid integer, which does not happen to include 'A' or 'B', etc.

Perhaps you should try using a getline() or get().


Categories : C++

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