-
Notifications
You must be signed in to change notification settings - Fork 1
/
MathsSol.java
43 lines (36 loc) · 1.26 KB
/
MathsSol.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
import java.util.*;
public class solution {
public static void main(String[] args) {
Scanner scan = new Scanner(System.in);
System.out.print("Input a number: ");
int num = scan.nextInt();
if ((num % 2 == 0) || (num <=0 ))
{
System.out.print("Input number must be odd and >0");
System.exit(0);
}
int[][] magic_square = new int[num][num];
int row_num = num-1;
int col_num = num/2;
magic_square[row_num][col_num] = 1;
for (int i = 2; i <= num*num; i++) {
if (magic_square[(row_num + 1) % num][(col_num + 1) % num] == 0) {
row_num = (row_num + 1) % num;
col_num = (col_num + 1) % num;
}
else {
row_num = (row_num - 1 + num) % num;
}
magic_square[row_num][col_num] = i;
}
// print the square
for (int i = 0; i < num; i++) {
for (int j = 0; j < num; j++) {
if (magic_square[i][j] < 10) System.out.print(" ");
if (magic_square[i][j] < 100) System.out.print(" ");
System.out.print(magic_square[i][j] + " ");
}
System.out.println();
}
}
}