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I think you complicate your program unnecessarily with calls to functions that do not clarify the code, recover can be done in a simpler way, and personally I always look for the greatest possible sim …

you have a small typo error in the function you have written: int get_positive_int versus: int get_positive_int_

Let us begin: scanf requires you to specify the type of data you'll typed in, according to your program is an integer int c=scanf("%d",&minutes); I think what you intend is that if c is a character the …

I assume you're referring to the format specifiers of printf function, these are the same as those of the standard version of C, but if you're mean the cs50.c library uses its own data types in order to …

three problems: char* buffer = malloc(sizeof(line)); It is quite probable that we are not reserving enough memory, better to do: char* buffer = malloc(strlen(line) + 1); the use of strtok is inc …

i<= strlen(keyword) keep in mind that keyword begins with the zero subscript so that if its length is given by strlen the one index is strlen(keyword) - 1, the correct statement would be: i < strle …

The array name "values" is a pointer, it does not serve us %i, to show the complete array it is necessary to use a for loop: for( int j = 0; j < n; j++) { printf("%i", values[j]); } A void func …

Just a couple of things, you are assigning an operation between variables of type float to a variable of type int. When this is done the result is truncated, it is not rounded, hence the results you g …

the definition of the pow function says that it returns a double that is the reason of your error, since the operator modulo requires integers, it is possible that it works if we do a casting although …

What is supposed to be * card? We can not apply own operators of a pointer to a variable of integer type in this case. It seems that the compiler is interpreting this as an indirect operation of a poi …

To evaluate the right side first we must put the parentheses on the right side of the identity, not the operator == itself if (counterCardLength == 15 && FindFirstTwoDigits == (34 | 37)) if (a == (1 …

encrypted character, the following works: if (alphabets_upper[index] == s[i]) { int cipher = alphabets_upper[(index + key) % 26]; printf("%c" … , cipher); } if (alphabets_lower[index] == s[i]) { int cipher = alphabets_lower[(index + key) % 26]; printf("%c" …

If you use the IDE, the easiest way is to use the make command, if not, you must use the -lcs50 option when compiling to avoid the error indicated

You have a "small" problem in check function, you actually go through the entire hash table without finding any match. What happens if strcasecmp () is zero? Why do you keep moving forward in the hash …

In the current implementation of the functions of the header file cs50.h, we need at least one argument of the type char *, that is, a string, something similar to the function printf (), therefore to …