export function findPeakElement(nums: number[]): number {
  let max = Math.max(...nums)
  for(let i = 0; i<nums.length; i++){
    const left = i === 0 ? -Infinity : nums[i - 1];
    const right = i === nums.length - 1 ? -Infinity : nums[i + 1];
    if(nums[i] > left  &&  nums[i] > right) 
    if (max > left && max > right) return nums.indexOf(max)
    else return i
    
  }
  return 0;
}