const { parse, run } = require('./_intcode');

const gravityAssist = (program, noun, verb) => {
  const pClone = program.slice();
  pClone[1] = noun;
  pClone[2] = verb;
  return run(pClone).memory[0];
};

module.exports = {
  '1': (input) => {
    return gravityAssist(parse(input), 12n, 2n);
  },
  2: (input) => {
    const program = parse(input);
    for (let noun = 0n; noun <= 99n; noun++) {
      for (let verb = 0n; verb <= 99n; verb++) {
        if (gravityAssist(program, noun, verb) === 19690720n) {
          return noun * 100n + verb;
        }
      }
    }
    throw new Error('no solution');
  },
};