Help me in solving CLB086 problem

My issue

why is it wrong

My code

#include <stdio.h>

int main() {
    int numbers[5] = {
        1,
        2,
        3,
        4,
        5
    };
    // your code goes here

}

Learning course: Data structures & Algorithms lab
Problem Link: https://www.codechef.com/learn/course/muj-aiml-dsa-c/MUJADSAC05/problems/CLB086