Помогите НАПИСАТЬ ПРАГУ на языке Visual Studio 2010 (c++)

#include <cstdio>
#include <cstddef>
#include <cstring>
#include <algorithm>
 
bool Less(const char *a, const char *b) {
  return strcmp(a, b) < 0;
}
 
int main(int argc, char *argv[]) {
  char **strings = NULL;
  size_t strings_size = 0;
 
  size_t buffer_size = 4096;
  size_t total_buffer_size = 0;
 
  char buffer[buffer_size];
  while (!feof(stdin)) {
    if (fgets(buffer, buffer_size, stdin)) {
      size_t buffer_length = strlen(buffer);
      // удаление переноса в конце строки
      if ((buffer_length > 0) && (buffer[buffer_length - 1] == '\n'))
        buffer[--buffer_length] = '\0';
      total_buffer_size += buffer_length;
      char *new_string = strcpy(new char[buffer_length + 1], buffer);
      if (strings == NULL) {
        strings = new char*[1];
        strings[0] = new_string;
      } else {
        char **new_strings = new char*[strings_size + 1];
        for (int i = 0; i < strings_size; ++i)
          new_strings[i] = strings[i];
        new_strings[strings_size] = new_string;
        strings = new_strings;
      }
      ++strings_size;
    }
  }
 
  std::sort(strings, strings + strings_size, Less);
 
  for (int i = 0; i < strings_size; ++i)
    printf("%s\n", strings[i]);
 
  size_t min_length = strlen(strings[0]);
  char  *min_length_string = strings[0];
  size_t max_length = min_length;
  char  *max_length_string = min_length_string;
  for (int i = 1; i < strings_size; ++i) {
    size_t current_length = strlen(strings[i]);
    if (min_length > current_length) {
      min_length = current_length;
      min_length_string = strings[i];
    } else
    if (max_length < current_length) {
      max_length = current_length;
      max_length_string = strings[i];
    }
  }
  printf("Min string: %s\nMax string: %s\n", min_length_string, max_length_string);
 
  char *very_long_string = new char[total_buffer_size + 1];
  for (int i = 0; i < strings_size; ++i)
    strcat(very_long_string, strings[i]);
  printf("In single string: %s\n", very_long_string);
 
 
  delete [] very_long_string;
  for (int i = 0; i < strings_size; ++i)
    delete [] strings[i];
  delete strings;
 
  return 0;
}