1
/**
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 * @param {number[]} nums
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 * @return {number}
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 */
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var reductionOperations = function (nums) {
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  nums.sort((a, b) => a - b);
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  let count = 0;
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  for (let i = nums.length - 1; i > 0; i--)
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    if (nums[i] !== nums[i - 1]) count += nums.length - i;
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  return count;
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};