int n = height.size();
    int maxi = INT_MIN;
    
    //find the maximum in the array
    for(int i=0;i<n;i++){
        maxi = max(maxi,height[i]);
    }
    
    if(k>maxi){
        return 0;
    }else{
        return maxi - k;
    }

func hurdleRace(k int32, height []int32) int32 {
	var max int32 = -1
	var canJumpAllHurdles bool = true
	for i := 0; i < len(height); i++ {
		if k < height[i] {
			canJumpAllHurdles = false
		}

		if height[i] >= max {
			max = height[i]
		}
	}

	if canJumpAllHurdles {
		return 0
	}
	return max - k
}

return 0 if max(height)-k <=0 else max(height)-k

int maxHeight= height.Max();
        if(k<maxHeight)//needs potion to jump
        {
            int potion = maxHeight-k;
            return potion;
        }
        else{
            return 0;
        }