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(*(*(*pMyMT).next).next).next = pMyMT4;

You should include stdlib.h instead of declaring standard library functions on your own.

The compiler tells exactly what the problem is - you provided some identifiers (red, green, blue) which were not previously declared. switch-case instruction handles only integer values, so you need...

Obviously you need to learn how printf works. Focus on %x format specifier.

1. Define a set in which you can store unique result values.

#include <set>

set<int> result; // at the beginning of function main

if (digits_i == digits_v)
{
if (result.count(v) == 0)...

#include <stdio.h>

void print_slice(const char *str, unsigned int begin, unsigned int end)
{
printf("%.*s", end - begin, str + begin);
}

Your algorithm is implemented correctly. The runtime error is caused by an other instruction. Maybe you are trying to reverse a string which is a constant literal? You need show the rest of the code.

MQTTClient_create is probably defined in some library which you need to link in the compiler options.

1.Correct function headers:

float average(int *a, int N)

float var(int *a, float average)
2. var is a function name and its address, so you cannot assign to it any value.

for (i=0;i<N;i++)...

The conditional statement you created

else if (sum / 3 + 1 && 3 + 2 && 3 + 3 == 3)
is equivalent to

else if ((sum / 3 + 1) != 0 && true && false)
which will be evaluated always as

else if...

You've almost got it. Take a look how you can use stringstream.

int main()
{
string name = "George";
int num = 4;
stringstream ss;
ss << name << "_" << num;
string result...

The algorithm is wrong as it prints out numbers 0 and 1 which are not prime.

The correct statement would be:

if (number[k] > number[i])
{
k = i;
}

That conditional is not quite right as 0 is neither positive nor negative.

1. These function definitions


float volume (float r & h)
float surface_area (float r & c)

are invalid and don't match the prototypes:


float volume (float);

It is possible using GCC Statement Exprs - Using the GNU Compiler Collection (GCC)


#define EXISTS(T, a, n, val) ({\
char ret = 0;\
T *a_ = (a);\
size_t n_ = (n);\
T val_ =...

In main you need to allocate memory to pointer p before assigning values to structure members.

for (i = 9, j = 0; i > 0 && j < 10; i--, j++)

How is your question related to my post?

1. Make up your mind on the format of a valid phone number. In the post you provided (xxx)-xxx-xxxx, but in the code you are missing a dash.
2. Your function will return 1 if the input string is...

You are leaking memory:

stack = new rbNode*[depth + 1];
int* dir;
dir = new int [depth + 1];

if (!root)
{
printf("Tree not available\n");
return;

You need to include string.h header file to use functions like strcmp.

int nlguess = 0;
for (i = 0; i < slength; ++i)
{
if (word[i] == lguess)
{
++nlguess;
}
}

The explanation of your logic is not quite clear. How is row #1 in the 2D array the closest to 1D array when it's difference of 18 is the highest? Shouldn't be row #2 the closest with the lowest...

1. In that loop you keep overwriting content of the array.

2. Don't use gets as you can't control the size of the input string, use fgets instead.

3. Since the task requires the array to be...

You need to pass address of an array, not value of its single element.

funct(A,2,5);