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 *p = mem;
    while(p<mem+n-2)
    {
        if((*(p+1) - *p == 1) && (*(p+2) - *(p+1) == 1))
        {
            return p-mem;
        }
        p++;
    }
    
    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;
}