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 ind,d1,d2;
    n=n-2;


    for( ind=0; ind<n; ind++){
        d1=*(mem+ind+1)-*(mem+ind);
        d2=*(mem+ind+2)-*(mem+ind+1);
        if(d1==1 && d2==1){
            return ind;}
    }

    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;
}