Printing string in rows and column pattern Java

Question

i\'m just created a java project to print string that is given in rows and column just like matrix. Here\'s the output that i just made:

h e l l o 
_ w o r l 
d _         


        

Answer 1

you could try to make the spiral algorithm first and try to find the value of its each index in the matrix so that later you could map every index of your string into the specific index in the spiral array matrix.

for example:

Input: n = 5
Output:   1   2   3   4   5
          16  17  18  19  6
          15  24  25  20  7
          14  23  22  21  8
          13  12  11  10  9
Aligned Output:  1 2 3 4 5 16 17 18 19 6 15 24 25 20 7 14 23 22 21 8 13 12 11 10 9

the algorithm can be found here or here.

now you know all the index of each position to make the letters aligned in a spiral way, what you have to do is map each letter of your string to be print according to the number of the spiral matrix sequentially.

print string 1.
print string 2.
print string 3.   
print string 4.
print string 5.
print string 16.
print string 17.
print string 18.
print string 19.
print string 6.
print string 15.
cont...