Help me in solving CLB088 problem

help
,
1

My issue

the last element is: 6

My code

#include <stdio.h>

int main() {

    int powerofTwo[5]= {2,4,8,16,32};
    powerofTwo[4]=6;
    printf("the last element is: %d\n",powerofTwo[4]);
    
    return 0;
    

}

Learning course: Data structures & Algorithms lab
Problem Link: https://www.codechef.com/learn/course/muj-dsa-c/MUJDSAC05/problems/CLB088