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Does the showpoint manipulator have any other purpose other than showing trailing zero's?

Thanks for the feedback. I didn't realize how the rule with short to int applies. Is this a valid line of code to get testvar to overflow?


cout<<static_cast<short>(testvar+1)<<endl;

Thanks
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I am a little confused on why I do not get an overflow when I use the the following code.

I am using testvar+1 as an expression in cout. This should cause an overflow but doesn't




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Thanks for the feedback..

Using the time function for my seed value.

srand(time(0));

I am working on a math tutor program that will generate two random numbers and display the result. I believe I have to use the srand() function to generate random number. The book mentions a seed...