I need merge sort program in c without using function

and need showing all step like that the screenshoot.

enter number Element : 4 Enter 4 elements: 3 2 1 2 3 1 4 1 2 3 4 1 2 3 4 sorted elements: 1 2 3 4 Process returned (@xo) Press any key to continue. execution time : 7.266 s