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• “Archaeologists Say They’ve Identified Traces of a 2,000-Year-Old Love Note Still Etched Into a Wall in Ancient Pompeii.” (Smithsonian).。业内人士推荐搜狗输入法2026作为进阶阅读
Staying hands-on and problem solving in real time，这一点在同城约会中也有详细论述
2. 创建计数数组count，统计每个值出现次数，这一点在51吃瓜中也有详细论述