exam questions

Exam CPP All Questions

View all questions & answers for the CPP exam

Exam CPP topic 2 question 121 discussion

Actual exam question from C++ Institute's CPP
Question #: 121
Topic #: 2
[All CPP Questions]

What will happen when you attempt to compile and run the following code?

#include <iostream>
#include <iomanip>

using namespace std;

int main ()
{
float f = 10.126;
cout.unsetf(ios::floatfield);
cout<<scientific<<f<<" "<<setprecision(3)<<f<<endl; return 0;
}
What will be a mantissa part of the numbers displayed:

  • A. 1.0126 1.013
  • B. 1.012600 10.013
  • C. 10.01260 10.013
  • D. 1.012600 1.013
  • E. 1.0126 1.01
Show Suggested Answer Hide Answer
Suggested Answer: D 🗳️

Comments

Chosen Answer:
This is a voting comment (?). It is better to Upvote an existing comment if you don't have anything to add.
Switch to a voting comment New
Currently there are no comments in this discussion, be the first to comment!
Community vote distribution
A (35%)
C (25%)
B (20%)
Other
Most Voted
A voting comment increases the vote count for the chosen answer by one.

Upvoting a comment with a selected answer will also increase the vote count towards that answer by one. So if you see a comment that you already agree with, you can upvote it instead of posting a new comment.

SaveCancel
Loading ...