43 lines
979 B
D
43 lines
979 B
D
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import std.stdio;
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import std.file;
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import std.array;
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import std.uni : isWhite;
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import std.conv;
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import std.regex;
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void main() {
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string contents = readText("input");
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auto lines = contents.split("\n\n");
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int good = 0;
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foreach(i, line; lines) {
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auto parts = line.split!(isWhite);
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string[] items = [ "byr", "iyr", "eyr", "hgt", "hcl", "ecl", "pid" ];
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int[string] totals;
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foreach(y, item; items)
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totals[item] = 0;
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foreach(x, part; parts) {
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auto fields = part.split(":");
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if(fields.length < 2)
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continue;
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if(!(fields[0] in totals))
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continue;
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if(part.matchAll(ctRegex!(r"^(pid:\d{9}|byr:(19[2-9]\d|200[0-2])|iyr:20(1\d|20)|eyr:20(2\d|30)|hgt:((59|6\d|7[0-6])in|(1[5-8]\d|19[0-3])cm)|hcl:#[0-9a-f]{6}|ecl:(amb|blu|brn|gry|grn|hzl|oth)|pid:\d{9}|cid:.*)$")))
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totals[fields[0]]++;
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}
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int sum = 0;
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foreach(z, total; totals)
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sum += total;
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if(sum == items.length)
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good++;
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}
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writefln("There are %d valid passports.", good);
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}
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