27.c

#include<stdio.h>

intremoveElement(intA[], intn, intelem) {
inti, j, len;
len=n;
i=0, j=n-1;
while (i<len) {
if (A[i] ==elem) {
intt=A[j];
A[j] =A[i];
A[i] =t;
len--;
j--;
 }
else {
i++;
 }
 }

returnlen;
}

intmain() {
intA[] = { 3, 1, 2, 3, 3, 4, 5, 3, 6 };
intnew_len=removeElement(A, sizeof(A) / sizeof(A[0]), 3);

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

return0;
}