We read every piece of feedback, and take your input very seriously.
To see all available qualifiers, see our documentation.
若容器中的int元素含有奇数值,则该循环将会无限循环
当遇到奇数值时,其复制被插入到其位置之前,insert返回该复制位置的迭代器,而下一个自增操作将使迭代器再次指向这个奇数值,循环将无限执行