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MagicSquare.c
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MagicSquare.c
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#include <stdio.h>
#include <string.h>
int MagicSquare(int n)
{
int Magic[n][n], num;
memset(Magic, 0, sizeof(Magic));
// initialize postion for 1
int i = n / 2;
int j = n - 1;
// Put value one by one in Sqaure
for (num = 1; num <= n * n;)
{
if (i == -1 && j == n)
{
j = n - 2;
i = 0;
}
else
{
// If next number goes outside of square's right side
if (j == n)
j = 0;
// If next number goes outside of square's upper side
if (i < 0)
i = n - 1;
}
if (Magic[i][j])
{
j = j - 2;
i++;
continue;
}
else
Magic[i][j] = num++;
j++;
i--;
}
// Print Magic Square
printf("Magic Square for n = %d\nSum of each row & column: %d\n", n, n * ((n * n) + 1) / 2);
for (i = 0; i < n; i++)
{
for (j = 0; j < n; j++)
printf("%3d", Magic[i][j]);
printf("\n");
}
}
int main(void)
{
int n;
printf("\nEnter a number(Odd numbers): ");
scanf("%d", &n);
MagicSquare(n);
}
/*
Enter a number(Odd numbers): 3
Magic Square for n = 3
Sum of each row & column: 15
2 7 6
9 5 1
4 3 8
*/