let weights[palette size] = weight for each colour
* 时间O(n) 空间O(n)（理论最优，无冗余计算/存储）
。WPS下载最新地址是该领域的重要参考
Мобильная связь в украинском городе полностью уничтожена российским ударом«Киевстар»: Украинцы остались полностью без связи в Орехове после удара ВС РФ
2013年11月，正是在这个大山深处的苗寨院坝，习近平总书记同村干部和村民代表围坐在一起，亲切地拉家常、话发展，首次提出了“精准扶贫”理念。
If you are suffering distress or despair and need support, you could speak to a health professional, or an organisation that offers support. Details of help available in many countries can be found at Befrienders Worldwide. In the UK, a list of organisations that can help is available at bbc.co.uk/actionline. Readers in the US and Canada can call the 988 suicide helpline or visit its website.