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-3; i++)
    {
      if((*(mem + i)+1 == *(mem +i+1) ) && (*(mem + i +1)+1 == *(mem+i+2)))
      {
        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;
}