Not the day you're after? Here's the solution to yesterday's Strands.
美股三大指数集体收跌，道指跌1.05%，本周累跌1.31%，2月份累涨0.17%，月线10连涨；纳指跌0.92%，本周累跌0.95%，2月份累跌3.38%；标普500指数跌0.43%，本周累跌0.44%，2月份累跌0.87%。美国KBW银行指数跌近5%，创去年4月来最大单日跌幅。大型科技股多数下跌，英伟达跌超4%，苹果跌逾3%，微软跌超2%，特斯拉、Meta跌超1%；奈飞涨超13%，创2023年10月以来最佳单日表现；谷歌涨超1%，亚马逊小幅上涨。高盛跌逾7%，摩根士丹利跌超6%，富国银行、花旗集团跌超5%，美国银行跌超4%。戴尔科技涨约22%，创2024年3月份以来最大单日涨幅。Block涨近17%，创2022年以来最大单日涨幅。（界面新闻）
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如果你也正站在孩子入园的门槛前，我想分享几点心得：
// 2. 计算前缀和：count[i]表示<=i的元素个数
We are aware of two mistakes in our efforts to verify the signatures in the form so far. One person who was not an employee of OpenAI or Google found a bug in our verification system and signed falsely under the name "You guys are letting China Win". This was noticed and fixed in under 10 minutes, and the verification system was improved to prevent mistakes like this from happening again. We also had two people submit twice in a way that our automatic de-duplication didn't catch. We do periodic checks for this.