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--- Day 4: The Ideal Stocking Stuffer ---

Santa needs help mining some AdventCoins (very similar to bitcoins) to use as gifts for all the economically forward-thinking little girls and boys.

  • If your secret key is abcdef, the answer is 609043, because the MD5 hash of abcdef609043 starts with five zeroes (000001dbbfa...), and it is the lowest such number to do so.
  • If your secret key is pqrstuv, the lowest number it combines with to make an MD5 hash starting with five zeroes is 1048970; that is, the MD5 hash of pqrstuv1048970 looks like 000006136ef....

Your puzzle answer was 117946.

--- Part Two ---

Your puzzle answer was 3938038.

Both parts of this puzzle are complete! They provide two gold stars: 🌟🌟

--- Results ---

2015 Day04 - First Answer: 117946
2015 Day04 - Second Answer: 3938038
2015 Day04 - Execution finished in 1.3985531330109 seconds.
*** TESTING 2015 DAY Day04 ***
PHPUnit 9.5.10 by Sebastian Bergmann and contributors.

Day04 (mikeroq\AdventOfCode\AdventOfCode2015\Day04\Day04) ✔ Part 1 equals 609043 ✔ Part 1 equals 1048970 ✔ Part 1 real answer equals 117946 ✔ Part 12 real answer equals 3938038

Time: 00:01.797, Memory: 4.00 MB

OK (4 tests, 4 assertions)