Answer Posted / vadivelt

Hi All,

I hope the code which i have written ll give the exact
answer

Note: Compiler used is visual Studio 2005

Eg: if the the no of elemet is 12 and the elements are -1,-
2,5,6,-4,7,8,9,-3,10,20,-4 then output(sub array) should
contain the elements 10
and 20.

#include<stdio.h>
#include<conio.h>
int MakeSubArray(int *ptr, int size);

main()
{
int array[100];
int subarray[10], Index, no, j, k;
printf("ENTER NO OF ELEMENTS IN THE MAIN ARRAY \n");
scanf("%d", &no);
printf("\nENTER THE ELEMENTS\n");
for(j = 0; j<no; j++)
{
scanf("%d", &array[j]);
}
Index = MakeSubArray(&array[0],no);
printf("\nSTART POSITION\n%d", &array[Index]);
printf("\n\nSUB ARRAY ELEMENT(S) \n");
for(j = Index, k = 0; (array[j] >= 0) && (j < no);
j++, k++)
{
subarray[k] = array[j];
printf("%d ", subarray[k]);
}
printf("\n\nEND POSITION\n%d", &array[j-1]);
getch();
}

int MakeSubArray(int *ptr, int size)
{
int i, flag = 0, sum = 0, sum1 = 0, index = 0,
index1;
if(ptr != '\0' && size > 0)
{
for(i = 0; i <size; i++)
{
if(ptr[i] >= 0)
{
if(flag == 0)
{
index = i;

}
sum = sum + ptr[i];
flag++;
}
else
{
if(flag > 0 && sum1 < sum)
{

index1 = index;
sum1 = sum;

}
sum = 0;
flag = 0;
}
}
/*If the last element is non zero and it is part of
sub array then this condition is useful*/
if(flag > 0 && sum1 < sum)
{
index1 = index;
}
}
return index1;
}

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