/*  Rewritign Code (part a) */ 

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

int main(void)
{
	// Original
	int c;
	int i,j,k,l;
	
	if(c==1) i++;
	else if (c>2 && c<=5) j++;
	else if (c>5 && c<7 || c==9) k++;
	else l++;

	// Rewritten
	switch(c)
	{
		case 1:  i++; break;
		case 3:
		case 4:
		case 5:  j++; break;
		case 6: 
		case 9:  k++; break;
		default:  
				l++; break;
	}			
    system("pause");
}