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atoi_创想鸟

atoi

  • c++ atoi函数用法 c++ char数组转int教程

    C++中atoi函数用于将char数组转为int,需包含头文件,跳过开头空白后读取数字直至非法字符,成功返回整数值,失败返回0;示例:char str[] = “12345”; int num = atoi(str); 注意无法区分无效输入与真实0值;现代C++推荐使用std…

    2025年12月19日
    100
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