#include <iostream>
using namespace std;
void segregateArrayForOddsAndEvenElements(int arr[], int length) {
int low = 0;
int high = length-1;
while (low < high) {
while(arr[low] % 2 == 0 && low < high) {
low ++;
}
while(arr[high] % 2 != 0 && low < high) {
high --;
}
if(low < high) {
int temp = arr[low];
arr[low] = arr[high];
arr[high] = temp;
}
}
for(int i = 0; i< length; i++) {
cout<< arr[i] << " ";
}
}
int main() {
int arr[] = {1,3,4,7,8,2};
int length = sizeof(arr) / sizeof(arr[0]);
segregateArrayForOddsAndEvenElements(arr, length);
return 0;
}
