// Complete the minimumSwaps function below.
static int minimumSwaps(int[] arr) {
    int count = 0;
    int diff = 0;
    int temp = 0;
    for(int i=0; i<arr.Length; i++){
        if(arr[i] != i+1){
            diff = arr[i] - 1;
            temp = arr[diff];
            arr[diff] = arr[i];
            arr[i] = temp;
            count++;
            i--;
        }
    }

    return count;
}