Write a program that produces ten random permutations of the numbers 1 to 10. To generate a random permutation, you need to fill an array with the numbers 1 to 10 so that no two entries of the array have the same contents. You could do it by brute force, by generating random values until you have a value that is not yet in the array. But that is inefficient. Instead, follow this algorithm. Make a second array and fill it with the numbers 1 to 10. Repeat 10 times Pick a random position in the second array. Remove the element at the position from the second array. Append the removed element to the permutation array.