split

Noch

于 2021-12-27 14:19:38 发布

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分类专栏： C/C++ 文章标签：动态规划 leetcode 链表

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/*
buf：待分割字符串
delim：分隔符
*/
std::vector<std::string> split(const std::string &buf, const std::string &delim)
{
    std::vector<std::string> elems;
    size_t pos = 0;
    size_t len = buf.length();
    size_t delim_len = delim.length();
    if (delim_len == 0)
        return elems;
    while (pos < len)
    {
        int find_pos = buf.find(delim, pos);
        if (find_pos < 0)
        {
            elems.emplace_back(buf.substr(pos, len - pos));
            break;
        }
        elems.emplace_back(buf.substr(pos, find_pos - pos));
        pos = find_pos + delim_len;
    }
    return elems;
}