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export default function minOperations(nums: number[]): number {    if (nums.length < 1) {        return 0;    }    let ans = 0;    for (let i = 1; i < nums.length; i++) {        if (nums[i] <= nums[i - 1]) {            ans += nums[i - 1] - nums[i] + 1;            nums[i] = nums[i - 1] + 1;        }    }    return ans;}