59. Scan Memory for Three Consecutive Increasing Values

#include <stdio.h>

int find_pattern(int *mem, int n) {
    // Write your pointer-based logic here
    for(int i=0; i< n-2;i++)
    {
        //printf("%d %d %d\n" ,(*(mem+i+2)), (*(mem+i+1)),(*(mem+i)));
        if((*(mem+2 + i))  ==  ((*(mem+1 +i))+1) && (*(mem+1 + i)) == (*(mem+i)+1))
        return i;
    }
    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;
}