C# (CSharp) AdventOfCode2020.Day02 PasswordLine Examples

Example #1

        public static int Solve(IEnumerable <string> passwords)
        {
            var lines = PasswordLine.LinesFrom(passwords);

            return(lines.Count(x => x.Password[x.PolicyRuleInt1 - 1] == x.Character ^
                               x.Password[x.PolicyRuleInt2 - 1] == x.Character));
        }

Example #2

File: Day02Part1.cs Project: ldorval/AdventOfCode2020

        public static int Solve(IEnumerable <string> passwords)
        {
            var lines = PasswordLine.LinesFrom(passwords);

            return(lines.Count(x =>
            {
                var characterCount = x.Password.Count(y => y == x.Character);
                return characterCount >= x.PolicyRuleInt1 && characterCount <= x.PolicyRuleInt2;
            }));
        }