#include <stdio.h>
#include <stdlib.h>
#include <limits.h>

int main()
{
	printf("=======Start of A========\n");

    int i=0;
    for(;i>=0;i++) ;
    printf("%d\n",i);

	// explanation: the range of int is [INT_MIN, INT_MAX] or [ -2147483648, 2147483647]
	// The loop appears to be infinite but when i=MAX_INT, i++ makes it 
	// wrap around and become the smalles negative int value. 
	// At that point the loop ends and the program printf -2147483648.
	// It takes a while to count up to INT_MAX, though.
	
	printf("======= End of A ========\n");

	printf("DEBUG: INT_MAX=% d\n", INT_MAX);
	printf("DEBUG: INT_MIN=% d\n", INT_MIN);
	
	printf("=======Start of B========\n");
	int a,b;
	for(a=0; a<=5; a++)
	{
		for(b=0; b<=5; b++)
			if( (a==1) || (a==4))
				printf("#");
			else if((b==1) || (b==4))
				printf("#");
			else
				printf(" ");
				printf("\n");
	}
	printf("======= End of B ========\n");

	system("pause");
}