2582. Pass the Pillow

class Solution {
public:
    int passThePillow(int n, int time)
    {
        int rounds = time / (n - 1);
        int steps = time % (n - 1);

        if (rounds % 2 == 0) return steps + 1;
        return n - steps;
    }
};

• T: $O(1)$
• S: $O(1)$