The C program on the following page was written to provide a function calculate_primes which calculates and returns the first NUM_PRIMES prime numbers (in this case the first 10 prime num- bers). To test the function, the programmer has printed out the numbers returned by the function. However, the program does not work - there are TEN mistakes in the source code which prevent the program from working correctly. Find the ten mis- takes, and for each mistake identify the line number containing the mistake.
The C program on the following page was written to provide a function calculate_primes which calculates and returns the first NUM_PRIMES prime numbers (in this case the first 10 prime num- bers). To test the function, the programmer has printed out the numbers returned by the function. However, the program does not work - there are TEN mistakes in the source code which prevent the program from working correctly. Find the ten mis- takes, and for each mistake identify the line number containing the mistake.
Computer Networking: A Top-Down Approach (7th Edition)
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Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
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Transcribed Image Text:Question 3
The C program on the following page was written to provide a
function calculate_primes which calculates and returns the first
NUM_PRIMES prime numbers (in this case the first 10 prime num-
bers). To test the function, the programmer has printed out the
numbers returned by the function. However, the program does
not work - there are TEN mistakes in the source code which
prevent the program from working correctly. Find the ten mis-
takes, and for each mistake identify the line number containing
the mistake.
Answers:
Mistake 1 line number:
Mistake 2 line number:
Mistake 3 line number:
Mistake 4 line number:
Mistake 5 line number:
Mistake 6 line number:
Mistake 7 line number:
Mistake 8 line number:
Mistake 9 line number:
Mistake 10 line number:
Transcribed Image Text:1
1• cal culate and print the first NUM PRIMES prime aumbers •/
2
3 *include <stdio.h>
4 *include <stdlib.h>
6 *define NUM PRIHES -
10
7
8.
void calculate prime s ( int aum.prime s, int prime s)
9.
10
int i, j. prime, count :
11
12
Count - 0:
13
i - 2
vhile (count
14
< aum.prime s);
15
16
prime -
13;
2; i<i j ++)
if (i % j --
17
for (j -
18
0)
19
20
prime - 0;
bre ak;
21
22
23
if (prime)
24
25
prime s (++ cOuntl
- i;
26
27
i ++ i
28
29 }
30
int main ( int argc, char **argr)
32 {
31
33
int i, pri me s;
34
if (! (prime s - (int) calloc (NUM PR IMES, size of ( int )))) {
fprintf (st de rr, 'error: unable to allocate memory \a'):
retura (1);
35
36
37
38
}
39
40
41
42
43
44
calculate pr ime s (NUM PRI ME S, & prime s):
for (i - 1; i ( NUM PRIMES; i++)
printf ('Xf \a', prime s [il) ;
45
retura 0:
46 }
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