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- Question
We want to round off x, a Float to an Int value. The correct way to do so would be
Options- A. Y = ( int ) ( x + 0.5 ) ;
- B. Y = int ( x + 0.5) ;
- C. Y = ( int ) x + 0.5;
- D. Y = ( int ) ( ( int ) x + 0.5 )
- Correct Answer
- Y = ( int ) ( x + 0.5 ) ;
ExplanationRounding off a value means replacing it by a nearest value that is approximately equal or smaller or greater to the given number.
y = (int)(x + 0.5); here x is any float value. To roundoff, we have to typecast the value of x by using (int)
Example:
#include
int main ()
{
float x = 2.6;
int y = (int)(x + 0.5);
printf ("Result = %d\n", y );
return 0;
}
Result : 3
- 1. What would be the output of the following program? main() { int i = -3, j =2, k =0, m ; m = ++j && ++i || ++k ; Printf ( "\n%d%d%d%d", i , j , k , m ); } Discuss
- 2. Can you suggest any other way of writing the following expression such that 30 is used only once? a <= 20 ? b = 30 : c = 30 ; Discuss
- 3. The output of the code below is #include
void main() { int i = 0, k; if ( i == 0 ) goto label; for ( k = 0;k < 3; k++ ) { printf( "hin" ); label: k = printf( "%03d", i ); } }
Options- A. 0
- B. hi hi hi 0 0 0
- C. 0 hi hi hi 0 0 0
- D. 0 0 0 Discuss
- 4. Write a c program to find out sum of diagonal element of a matrix. Discuss
- 5. C program to find whether a number is palindrome or not. Discuss
- 6. What would be the output of the following program? # define SQR(x) (x * x) main() { int a, b = 3; a = SQR ( b + 2 ); Printf ("\n %d ", a ); } Discuss
- 7. What is Autosys? Discuss
- 8. Two main measures for the efficiency of an algorithm are
Options- A. Time and Space
- B. Complexity and Memory
- C. Data and Space
- D. Memory and Processor Discuss
- 9. What is math.floor(3.6)?
Options- A. 6
- B. 3
- C. 3.5
- D. 0.6 Discuss
- 10. What is the output of this C code? #include
void main() { int x = 97; char y = x; printf("%cn", y); }
Options- A. a
- B. 97
- C. Run time error
- D. None Discuss
Programming problems
Search Results
Correct Answer: -2 3 0 1
Correct Answer: *( ( a <= 20 ) ? &b : &c ) = 30;
Correct Answer: 0
Correct Answer: #include
Correct Answer: #include
Correct Answer: 11 Because, on preprocessing the expression becomes a = ( 3 + 2 * 2 + 3), as Ist preference is multiply & then addition, it evalvates as(3+ 2 * 3 +2) = (3+6+2)=11
Correct Answer: AutoSys is an automated job control system for scheduling, monitoring, and reporting These jobs can reside on any AutoSys-configured machine that is attached to a network However, in real business, you need to fire jobs not just based on scheduled time, but also based on events (like an arrival of a file), and, based on the success or failure of other jobs Autosys is a total job scheduling solution that allows you to define these events, dependencies, time schedules, alerts, etc, making it a complete data center automation tool
Correct Answer: Time and Space
Explanation:
Two main measures for the efficiency of an algorithm are Time and Space.
Correct Answer: 3
Explanation:
The Math.floor() function in JavaScript is used to round off the number passed as parameter to its nearest integer in Downward direction of rounding i.g towards the lesser value.
Hence, math.floor(3.6) = 3.
Correct Answer: a
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