aoc2024/day21/convert_code.cc

#include "convert_code.h"

size_t ConvertCode(const std::string &code) {
  size_t result = 0;
  for (char c : code) {
    if (c == 'A') {
      continue;
    }
    result *= 10;
    result += c - '0';
  }

  return result;
}