59. Scan Memory for Three Consecutive Increasing Values

#include <stdio.h>
#include <math.h>

int find_pattern(int *mem, int n) {
    int count = 0;
    int index = 0;

    for(int* p = mem + 1; p <= (mem + (n - 1)); p++){
        
        if((*p - *(p - 1)) == 1){
            count++;
            if(count == 2){
                return index-1;
            }
            index++;
            continue; 
        }
        count = 0;
        index++;
    }

    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;
}