"""
Utility functions for tasks.
"""
def compute_score(total_reward: float, max_possible_reward: float) -> float:
    """
    Normalize all rewards into score in range [0, 1].
    """

    if max_possible_reward <= 0:
        return 0.0

    score = total_reward / max_possible_reward

    return min(max(score, 0.0), 1.0)