Assembly line scheduling

#include <stdio.h>
#define NUM_LINE 2
#define NUM_STATION 6
int min(int a, int b) 
{
     return a < b ? a : b; 
}

int carAssembly(int a[][NUM_STATION], int t[][NUM_STATION], int *e, int *x)
{
    
	int T1[NUM_STATION], T2[NUM_STATION], i;
	
    int k[NUM_STATION], k1[NUM_STATION];
    
	T1[0] = e[0] + a[0][0];
	T2[0] = e[1] + a[1][0]; 

	for (i = 1; i < NUM_STATION; ++i)
	{
		if((T1[i-1]+a[0][i])< T2[i-1] + t[1][i] + a[0][i])
		{
		T1[i]=T1[i-1]+a[0][i];
		}
		else
		{
		T1[i]=T2[i-1] + t[1][i] + a[0][i];
		}
		if((T2[i-1]+a[1][i])< T1[i-1] + t[0][i] + a[1][i])
		{
		T2[i]=T2[i-1]+a[1][i];
		}
		else
		{
		T2[i]=T1[i-1] + t[0][i] + a[1][i];
		}
    }
	for(i=0;i<NUM_STATION;i++)
		if(T1[i]>T2[i])
		printf("2-> ");
		else
		printf("1-> ");
	printf("\n");
	
	return min(T1[NUM_STATION-1] + x[0], T2[NUM_STATION-1] + x[1]);
}

int main()
{
	int a[][NUM_STATION] = {{7, 9, 3, 4,8,4},
				{8, 5, 6, 4,5,7}};
	int t[][NUM_STATION] = {{0, 2, 3, 1,3,4},
				{0, 2, 1, 2,2,1}};
	int e[] = {2, 4}, x[] = {3, 2};

	printf("\nMinimum time: %d\n", carAssembly(a, t, e, x));

	return 0;
}