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aoc2004_passports.cpp
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/* ************************************************************************** */
/* */
/* \\ /`/`` */
/* ~\o o_ 0 0\ */
/* / \__) (u ); _ _ */
/* / \/ \/ / \ \/ \/ \ */
/* /( . . ) ( )\ */
/* / \_____/ \_______/ \ */
/* [] [] [[] [[] *. */
/* []] []] [[] [[] */
/* */
/* ****************************************************************** nuo *** */
#include "iostream"
#include "vector"
#include "sstream"
#include "utility"
#include "string"
std::vector< std::pair< std::string, std::string> >
make_person(std::string line);
void show_pax(std::vector< std::vector< std::pair< std::string, std::string > > > pax);
bool star_alpha(std::vector< std::pair< std::string, std::string > > p);
bool star_omega(std::vector< std::pair< std::string, std::string > > p);
bool is_passportid(std::string s);
bool is_haircolor(std::string s);
// DRIVE
int main()
{
std::vector< std::vector< std::pair< std::string, std::string > > > pax;
std::vector< std::pair< std::string, std::string > > person;
std::string line, s;
int count_valid_key;
int count_valid_val;
int i;
while (std::getline(std::cin, s))
{
if (!s.length())
{
person = make_person(line);
pax.push_back(person);
if (!std::cin.eof()) line = "\0";
}
else line += ' ' + s;
}
person = make_person(line);
pax.push_back(person);
//show_pax(pax); // test
count_valid_key = count_valid_val = i = 0;
while (i < (int) pax.size())
{
if (star_alpha(pax[i])) count_valid_key++;
if (star_omega(pax[i])) count_valid_val++;
i++;
}
std::cout << "Star 1 : " << count_valid_key << std::endl;
std::cout << "Star 2 : " << count_valid_val << std::endl;
return (0);
}
//
bool star_alpha(std::vector< std::pair< std::string, std::string > > p)
{
int count, i, j;
std::string r[7] = { "byr", "iyr", "eyr", "hgt", "hcl", "ecl", "pid"};
i = -1;
count = 0;
while (++i < (int) p.size())
{
j = -1;
while (++j < 7)
{
if (p[i].first == r[j])
{
count++;
break;
}
}
}
if (count == 7) return (true);
return (false);
}
bool star_omega(std::vector< std::pair< std::string, std::string > > p)
{
int count, n, i;
std::string f, s, sub;
i = -1;
count = 0;
while (++i < (int) p.size())
{
f = p[i].first;
s = p[i].second;
if (f == "byr" || f == "iyr" || f == "eyr" || f == "hgt") n = stoi(s);
if (f == "byr" && s.length() == 4 && n <= 2002 && n >= 1920) count++;
if (f == "iyr" && s.length() == 4 && n <= 2020 && n >= 2010) count++;
if (f == "eyr" && s.length() == 4 && n <= 2030 && n >= 2020) count++;
if (f == "pid" && is_passportid(s)) count++;
if (f == "hcl" && is_haircolor(s)) count++;
if (f == "ecl" && (
s == "amb" || s == "blu" || s == "brn" || s == "gry" ||
s == "grn" || s == "hzl" || s == "oth")) count++;
if (f == "hgt")
{
sub = s.substr(s.length() - 2);
if ((sub == "cm" && n <= 193 && n >= 150) ||
(sub == "in" && n <= 76 && n >= 59)) count++;
}
}
if (count == 7) return (true);
return (false);
}
bool is_passportid(std::string s)
{
int i;
if (s.length() != 9) return (false);
i = -1;
while (++i < (int) s.length())
{
if (!isdigit(s[i])) return (false);
}
return (true);
}
bool is_haircolor(std::string s)
{
int i;
if (s.length() != 7 || s[0] != '#') return (false);
i = 0;
while (++i < (int) s.length())
{
if (!((s[i] <= '9' && s[i] >= '0') || (s[i] <= 'f' && s[i] >= 'a')))
return (false);
}
return (true);
}
std::vector<
std::pair< std::string, std::string > > make_person(std::string line)
{
std::vector< std::pair<std::string, std::string> > person;
std::string field, value;
if (line[0] == 32) line = line.substr(1);
std::stringstream ss(line);
while (!ss.eof())
{
std::getline(ss, field, ':');
std::getline(ss, value, ' ');
person.push_back(std::make_pair(field, value));
}
return (person);
}
void show_pax(std::vector< std::vector
< std::pair< std::string, std::string > > > p)
{
std::string field, value;
std::cout << "\n" << p.size() << " passaengers\n" << std::endl;
for (int i = 0; i < (int) p.size(); i++)
{
std::cout << "No. " << i << std::endl;
for (int j = 0; j < (int) p[i].size(); j++)
{
std::cout << p[i][j].first << " : ";
std::cout << p[i][j].second << std::endl;
}
std::cout << std::endl;
}
}