function minimumSwaps(arr) {
    let sortedArray = arr
    let numberPositions = {}
    let numberOfSwaps = 0
    
    arr.forEach((n,i)=>{
        numberPositions[n] = i
    })
    
    arr.forEach((_,i)=>{
        if (sortedArray[i] != i+1){
            let temp = sortedArray[i]
            sortedArray[i] = sortedArray[numberPositions[i+1]]
            sortedArray[numberPositions[i+1]] = temp
            numberPositions[temp] = numberPositions[i+1]
            numberPositions[i+1] = i
            numberOfSwaps+=1
        }
    })

    return numberOfSwaps
}