• The following code consists of 5 parts. • Find the errors for each part and fi

Question

•   The following code consists of 5 parts.
•   Find the errors for each part and fix them.
•   Explain the errors using comments on top of each part.

*/

#include <stdio.h>
#include <string.h>

int main( ) {

//////////////////////////////////////////////////////////////////////////
////////////// Part A. (5 points) //////////////////

int g(void)
{
printf("%s", Inside function g n " );
int h(void)
{
printf(" % s ", Inside function h n ");
}
}

printf("Part A: ");
g();
printf(" ");

//////////////////////////////////////////////////////////////////////////
////////////// Part B. (5 points) //////////////////

int sum( int x, int y )
{
int result;
result = x + y;
}

printf("Part B: % d ", sum(5,3));

//////////////////////////////////////////////////////////////////////////
////////////// Part C. (5 points) //////////////////

void f( float a );
{
float a;
printf( "%f", a );
}

printf("Part C: % 1f ", f(1.1));

//////////////////////////////////////////////////////////////////////////
////////////// Part D. (5 points) //////////////////

#include <stdio.h>
#include <string.h>

int main( ) {

int sum( int n )
{
if ( 0 == n )
{
return 0;   
}   
else
{   
n + sum( n - 1 );
}
}

printf("Part D: % d ", sum(3));
return 0;
}

//////////////////////////////////////////////////////////////////////////
////////////// Part E. (5 points) //////////////////

void product( void )
{
int a, b, c, result;
printf( "%s", "Enter three integers: " )
scanf( "%d%d%d", &a, &b, &c );
result = a * b * c;
printf( "Result is: %d", result );
return result;
}

printf( "Part E: %d", product ());

return 0;
}

Explanation / Answer

PART A:
Syntax of the printf function is incorrect. And the program is not enclosed with braces. Correct snippet is
#include <stdio.h>
#include <string.h>

int main( ) {

//////////////////////////////////////////////////////////////////////////
////////////// Part A. (5 points) //////////////////
int g(void)
{
//Correct syntax of printf
printf("Inside function g n " );
int h(void)
{
printf("Inside function h n ");
}
}
printf("Part A: ");
g();
printf(" ");
}

PART B:
Here the function sum has return type int , but the function is not returning any values. Correct snippet would be

int sum( int x, int y )
{
int result;
result = x + y;
//Return statement missing
return result;
}
printf("Part B: % d ", sum(5,3

PART C:
Here semicolon (;) is incorrectly placed in the first line of the function. Correct snippet would be

//Semicolon at the end of the function's first line
void f( float a );
{
float a;
printf( "%f", a );
}

printf("Part C: % 1f ", f(1.1));

PART D:
Return statement is missing in the inside function.

#include <stdio.h>
#include <string.h>

int main( ) {
int sum( int n )
{
if ( 0 == n )
{
return 0;   
}   
else
{   
//Return statement is missing
return n + sum( n - 1 );
}
}
printf("Part D: % d ", sum(3));
return 0;
}

PART E:
semicolon is missing after printf statement

void product( void )
{
int a, b, c, result;
//Semicolon missing at the end of this printf statement
printf( "%s", "Enter three integers: " );
scanf( "%d%d%d", &a, &b, &c );
result = a * b * c;
printf( "Result is: %d", result );
return result;
}
printf( "Part E: %d", product ());

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