View Code of Problem 92

#include <stdio.h>
#include <math.h>
void main() 
{
	int m, n;
	scanf("%d %d", &m, &n);
	int k = 0;
	for (int i = m; i <= n; i++)
	{
		int flag1 = 0, flag2 = 1;
		int x = i, y = 0;
		while (x != 0)
		{
			y *= 10;
			y += x % 10;
			x /= 10;
		}
		if (y == i)
		{
			flag1 = 1;
		}
		if (flag1)
		{
			for (int j = 2; j <= sqrt(i); j++)
			{
				if (i % j == 0)
				{
					flag2 = 0;
					break;
				}
			}
			if (flag2)
			{
				printf("%6d", i);
				k++;
				if (k % 5 == 0)
				{
					printf("\n");
				}
			}
		}
	}
}