What will be the output of the following C++ code?
#include <stdio.h>
int main ()
{
FILE * p;
int c;
int n = 0;
p = fopen ("myfile.txt", "r");
if (p == NULL)
perror ("Error opening file");
else
{
do {
c = getc (p);
if (c == '$')
n++;
} while (c != EOF);
fclose (p);
printf ("%d\n", n);
}
return 0;
}
#include <stdio.h>
int main ()
{
FILE * p;
int c;
int n = 0;
p = fopen ("myfile.txt", "r");
if (p == NULL)
perror ("Error opening file");
else
{
do {
c = getc (p);
if (c == '$')
n++;
} while (c != EOF);
fclose (p);
printf ("%d\n", n);
}
return 0;
}A. Count of '$' symbol
B. Error opening file
C. Count of '$' symbol or Error opening file
D. Error
Answer: Option C
This Question Belongs to C Plus Plus Programming >> C Plus Plus Miscellaneous
What does the 'sizeof' operator return in C++?
A. Size of a data type in bits
B. Size of a data type in bytes
C. Size of a variable in bytes
D. Size of a variable in bits
What is the purpose of the 'static' keyword in C++?
A. To declare a variable with dynamic storage duration
B. To declare a constant
C. To declare a variable with external linkage
D. To declare a variable with static storage duration
What is the difference between '++i' and 'i++' in C++?
A. None of the above
B. They both have the same effect
C. '++i' increments the value of 'i' before returning it, while 'i++' increments the value of 'i' after returning it
D. '++i' increments the value of 'i' after returning it, while 'i++' increments the value of 'i' before returning it
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