59. Scan Memory for Three Consecutive Increasing Values

#include <stdio.h>

int find_pattern(int *mem, int n) {
    int i =0;
    while(i+3 <= n)
    {
        if((*(mem+(i+2)) - *(mem + (i+1))) == 1 && (*(mem+(i+1)) - *(mem+i)) == 1)
            return i;
        i++;
    }
    // Write your pointer-based logic here
    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;
}