Парсер массива

#include <iostream>
using namespace std;
 
void main ()
{
const char * a[10];
int i;
cout<< "Enter characteries: ";
for( i=0; i<10; i++)
{
        cin >> a[i];
cout<<  atoi(a[i])<<" ";
}
system ("pause");
}

#include <cstdlib>
#include <cstdio>
#include <string>
#include <vector>
 
std::vector<int> parse_it(std::string string_to_parse) {
  std::vector<int> result;
  unsigned int last_separator_position = 0;
  while (last_separator_position < string_to_parse.size()) {
    unsigned int separator_position = string_to_parse.find('|', last_separator_position);
    std::string number_to_parse;
    if (separator_position != std::string::npos) {
      number_to_parse = string_to_parse.substr(last_separator_position, 
                        separator_position-last_separator_position);
      last_separator_position = separator_position + 1;
    } else {
      number_to_parse = string_to_parse.substr(last_separator_position);
      last_separator_position = string_to_parse.size();
    }
    signed int parsed_number = atoi(number_to_parse.c_str());
    result.push_back(parsed_number);
  }
  return result;
}
 
int main(int argc, char *argv[]) {
  std::vector<int> parsed_numbers = parse_it("|123|asf|");
  
  printf("Numbers: %d.\n", parsed_numbers.size());
  for (unsigned int i = 0; i < parsed_numbers.size(); ++i)
    printf("%d ", parsed_numbers[i]);
  printf("\n");
  
  int key;
  scanf("%d", &key);
  return 0;
}