****Need this in C++****

Magic squares. An n n matrix that is filled with the numbers 1, 2, 3, . . ., n2 is a magic square if the sum of the elements in each row, in each column, and in the two diagonals is the same value 16 3 2 13 5 1011 8 96 7 12 4 15 14 1 Write a program that reads in 16 values from the keyboard and tests whether they form a magic square when put into a 4 x 4 array. You need to test two features 1. Does each of the numbers 1, 2,.,16 occur in the user input? 2. When the numbers are put into a square, are the sums of the rows, columns, and diagonals equal to each other