Continue reading...
描述：给定字符串 num（非负整数）和整数 k，移除 k 位数字，使剩余数字最小。以字符串形式返回（不含前导零）。
。业内人士推荐体育直播作为进阶阅读
Lightning sparked 60% of Canada’s catastrophic 2023 wildfires, which burned tens of millions of acres and forced hundreds of thousands to evacuate. Skyward initially claimed on its website that it could prevent “up to 100% of lightning strikes,” but quietly removed the statement after MIT Technology Review began asking questions.
Фото: Khalil Ashawi / Reuters