Scan Memory for Three Consecutive Increasing Values

Code

#include <stdio.h>

int find_pattern(int *ptr, int n) {
    for (int i=0;i<n-2;i++)
    {
        if((*ptr+1 == *(ptr+1)) && (*ptr+2 == *(ptr+2))) return i;
        ptr++;
    }
    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;
}

Solving Approach