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 count=0,match=0;
    while(n--)
    {
        count++;
        if((*(mem+1) - *mem) == 1)
        {
            match++;
        }
        else
        {
            match = 0;
        }
        mem++;
        if(match == 2)
        {
            return count-2;
        }
    }
    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;
}