string funnyString(string s) {
    string r = s;
    reverse(r.begin(), r.end());
    for(int i = 1; i < s.size(); i++){
        if(abs(s[i]-s[i-1]) != abs(r[i]- r[i-1])) return "Not Funny";
    }
    return "Funny";
}

function funnyString($s) {
    // Write your code here
    $s_new = str_split($s);
    $s_new_reverse = array_reverse($s_new);
    $hasil = "Funny";
    
    for ($i=0; $i < count($s_new)-1; $i++) {
        if (abs(ord($s_new[$i]) - ord($s_new[$i+1])) !== abs(ord($s_new_reverse[$i]) - ord($s_new_reverse[$i+1]))) {
            $hasil = "Not Funny";
            break;
        }
    }
    return $hasil;
}

# we can go with single loop also

def funnyString(s):
    r = s[::-1]
    compareList = [abs(ord(s[i+1]) - ord(s[i])) if(i+1 < len(s)) else None for i in range(0,len(s))]
    compareList2 = [abs(ord(r[i+1]) - ord(r[i])) if(i+1 < len(r)) else None for i in range(0,len(r))]
    return 'Funny' if(compareList == compareList2) else 'Not Funny'

public static String funnyString(String s) {
        //use pointers for start and end of the string 
        //iterate over each string
        int i = 1, j = s.length() - 2;
        while(i <= j){
            //compare abs ascii diff between val adjacent ascending vals
            int leftAbs = Math.abs(s.charAt(i) - s.charAt(i - 1));
            int rightAbs = Math.abs(s.charAt(j) - s.charAt(j + 1));
            //if the diff arent the same, return Not Funny
            if(leftAbs != rightAbs) return "Not Funny";
            i++;
            j--;
        }
        //else return funny
        return "Funny";
    }

    let znaki = s.chars().collect::<Vec<char>>();
    let n = s.len();

    let mut f = Vec::new();
    let mut s = Vec::new();
    for i in 0..n {
        if i + 1 == n {break;}
        f.push(((znaki[i] as i32) - znaki[i+1] as i32).abs());
        s.push(((znaki[n-i-1] as i32) -znaki[n-i-2] as i32).abs());
    }
    if f == s {
        return "Funny".to_string();
    }
    "Not Funny".to_string()
}