59. Scan Memory for Three Consecutive Increasing Values

#include <stdio.h>

int find_pattern(int *mem, int n) {
int i = 0;
    while(i<(n-2)){

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