int sum = new int44; for int k = 0; k 4; k++ sumk0 = 1; for int k = 0; k 4; k++ sum0k = 1; for int m = 1; m 4; m++ for int n = 1; n 4; n++ summn = summ-1n-1 + summn-1; for int n = 1; n 4; n++ S

This code initializes a 2D array called "sum" with dimensions 4x4. It then sets the values of the first row and first column of the array to 1.

It then uses a nested for loop to fill in the rest of the array. The loop starts at position (1,1) and calculates each value in the array as the sum of the value to its left and the value above it.

Finally, the code prints out the values in the last row of the array (excluding the first value, which is always 1) separated by spaces.

This code is likely part of a larger program that uses this array for some purpose, but without more context it's impossible to say exactly what that purpose is.