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/**
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 * @param {number[]} machines
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 * @return {number}
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 */
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var findMinMoves = function (machines) {
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  const totalDresses = machines.reduce((acc, dresses) => acc + dresses, 0);
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  const numMachines = machines.length;
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  if (totalDresses % numMachines !== 0) {
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    return -1; // Cannot distribute dresses equally
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  }
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  const targetDresses = totalDresses / numMachines;
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  let balance = 0;
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  let maxImbalance = 0;
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  for (let i = 0; i < numMachines; i++) {
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    const imbalance = machines[i] - targetDresses;
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    balance += imbalance;
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    maxImbalance = Math.max(maxImbalance, Math.abs(balance), imbalance);
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  }
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  return maxImbalance;
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};