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Nov 29th, 2025
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  1. 'use strict';
  2.  
  3. function solve(a_in) {
  4.     const a = Array.from(a_in);
  5.     let s = 0;                                  // aantal stappen gezet
  6.     for (;;) {
  7.         const i = s % a.length;                 // index van huis
  8.         const c = (s - i) / a.length + a[i];    // aantal cadeautjes voor huis
  9.         if (c == 0) break;
  10.         a[i] -= c + 1;
  11.         s += c + 1;
  12.     }
  13.     return s
  14. }
  15.  
  16. const part1 = require('fs').readFileSync(0, 'utf-8').trim().split(/\s+/).map(x => parseInt(x, 10));
  17. const part2 = Array.from(part1, x => x*2025);
  18. console.log(solve(part1));
  19. console.log(solve(part2));
  20.  
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