advent-of-code

Entries to advent of code, multiple years
git clone git://git.finwo.net/misc/advent-of-code
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index.js (362B)

      1 const fs = require('fs');
      2 const { hex_md5 } = require('@finwo/digest-md5');
      3 
      4 const secret     = fs.readFileSync('input', 'utf-8').trim();
      5 const difficulty = 6;
      6 const matcher    = '0'.repeat(difficulty);
      7 let   nonce      = 0;
      8 
      9 while(hex_md5(secret + nonce).substr(0,difficulty) != matcher) nonce++;
     10 
     11 console.log({ secret, hash: hex_md5(secret + nonce), nonce });