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#do while
tough glacierBOT
tacit ingot
i am limited on the commands i can use .. is there a "very fundamental" way to check if firstNumber is an integer that im just missing?
tacit ingot
so it will keep prompting you for more numbers
can you help me figure out a way to make this work?
i would like the while expression to check if firstNumber and secondNumebr are integers
but again i am limited as to what i can use .. no fancy functions
deft trench
what is a fancy function?
tacit ingot
basically anything lol
deft trench
so is cout << a fancy function
tacit ingot
no
tacit ingot
so is `cout <<` a fancy function
?
are you just being rhetorical?
or was there a reason you asked that question?
deft trench
it is kind of fancy
tacit ingot
look i cant help the restrictions i am under.. are you willing to help out or no?
deft trench
the error looks like you're just immediately trying to read the input again when it's already incorrect
so like if you input a, the a is still there
you never actually read the incorrect data or cleared the error
tacit ingot
i thought the new cin will try and read a new value when it loops
how can i get it to do this?
like if i do enter two integers, the program works fine
tacit ingot
you never actually read the incorrect data or cleared the error
and if i do not enter integers, it defo trips the error, but infinite loops .. how can i get it to not do that and read the new cin?
deft trench
https://en.cppreference.com/w/cpp/io/basic_ios/clear call this to clear the error flags
https://en.cppreference.com/w/cpp/io/basic_istream/ignore call this to ignore characters up to some specified character (probably \n is what you want to clear the entire line)
tacit ingot
i can't use either of those :/
deft trench
what functions can you actually use then
tacit ingot
im in cs 101 .. we did for loops last week, we are doing "what is a function" this week, and i cant use anything not taught in class
so while i know what you are saying and how it helps, i cant use it yet
i need to use some fundamental thing to validate this input as integers
austere flame
For each number (0, 1, 2, 3...) an if statement maybe?
and you use in your while loop true and a break if its a number
But that concept of your class is kinda retarted lol
deft trench
im in cs 101 .. we did for loops last week, we are doing "what is a function" th...
well what was taught in class then
tacit ingot
basically what ms is saying
austere flame
but i dont know if cin needs still to be cleared
deft trench
;compile 1 a 2 b 3``````cpp #include<limits> #include<iostream> int main(){ int x=-1; for(;;){ std::cin>>x; if(std::cin){ std::cout<<x<<'\n'; if(std::cin.eof()){ break; } }else if(std::cin.eof()||std::cin.bad()){ break; }else{ std::cin.clear(); std::cin.ignore(std::numeric_limits<std::streamsize>::max(),'\n'); } } }
long glenBOT
deft trench
here is a simple example of reading many integers in a loop