59. Scan Memory for Three Consecutive Increasing Values

#include <stdio.h>

int find_pattern(int *mem, int n) {
    // Write your pointer-based logic here
    int first_element, second_element, third_element;
    for(int i=0; i<n; i++){
        first_element = *mem;
        second_element = *(mem+1);
        third_element = *(mem+2);
        if(second_element==first_element+1 && third_element==second_element+1){
            return i;
        }
        mem++;
    }
    return -1;
}

int main() {
    int n, arr[100];
    scanf("%d", &n);

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

    int res = find_pattern(arr, n);
    printf("%d", res);

    return 0;
}