摘要: https://www.cnblogs.com/coolcpp/p/bigint-add.html https://www.cnblogs.com/coolcpp/p/bigint-mul.html 阅读全文
posted @ 2025-12-05 20:25 channy_zheng 阅读(2) 评论(0) 推荐(0)
摘要: 🔍 查找相关 // 查找子串 size_t pos = str.find("sub"); // 查找首次出现 size_t pos = str.rfind("sub"); // 从后往前查找 size_t pos = str.find_first_of("aeiou"); // 查找任意字符首次出 阅读全文
posted @ 2025-12-05 16:38 channy_zheng 阅读(7) 评论(0) 推荐(0)