Find Maximum Element Using Pointer Walk

#include <stdio.h>

int find_max_element(int *ptr, int n) {
   int * start = ptr;
   int  *end = ptr+(n-1);
   int max = *start;
   while( start <= end ){
    if(*start >= max){
        max = *start;
    }
    start ++;
   }
return max;
}

int main() {
    int n;
    scanf("%d", &n);

    int arr[100];
    for (int i = 0; i < n; i++) {
        scanf("%d", &arr[i]);
    }

    int result = find_max_element(arr, n);
    printf("%d", result);

    return 0;
}