26.c

#include<stdio.h>

intremoveDuplicates(intA[], intn) {
if (n==0) return0;
inti, j;
i=1, j=1;
while (j<n) {
while (A[j-1] ==A[j]) {
j++;
if (j >= n) goto OUT;
 }
A[i] =A[j];
i++;
j++;
 }

OUT:
returni;
}

intmain() {
intA[] = { 1, 1, 1, 2, 2, 2, 3, 3, 4, 5, 5 };
intnew_len=removeDuplicates(A, sizeof(A) / sizeof(A[0]));

inti;
for (i=0; i<new_len; i++) {
printf("%d ", A[i]);
 }
printf("\n");

return0;
}