博客
关于我
c语言 对排两个答案文件
阅读量:699 次
发布时间:2019-03-17

本文共 2012 字,大约阅读时间需要 6 分钟。

.include directives and file operations are crucial in programming. In the provided code, we can see that the program is reading input from a file named "1009.txt" and writing its contents to another file called "out.txt". This is a common practice in C programming for reading and manipulating text data.

The code begins by including necessary headers like stdio.h and string.h, which are essential for file operations and string manipulation. The #include directives are used to include these libraries so that the code can utilize their functions.

Next, the program declares two character arrays, n and m, both of which are initialized to 52000000 elements. These arrays are used to store the input data read from the files. The main function starts by setting two indices, i and j, to zero, which will be used to track the current position in the arrays.

The program then reopens the standard input to read from "1009.txt", using freopen. This allows the program to read from the specified file instead of the default standard input. Using a while loop with ~scanf("%s", n[i++]), the program reads strings from the input file and stores them in the n array. Each iteration reads a string and increments the index i, indicating progression through the file.

After reading all the data from "1009.txt", the program reopens the standard output to a new file called "out.txt" and continues reading data into the m array using a similar while loop and scanf statement. This process continues until the end of the file is reached, indicated by the failure condition of scanf.

It's worth noting that the program contains an incomplete portion of a for loop, where the loop counter k is initialized to zero, but no closing statement or body is provided. This might be a place where additional functionality or error handling is intended, but it's currently incomplete.

Overall, the provided code demonstrates a basic capability to read from and write to text files, utilizing standard input/output functions for文件操作。

转载地址:http://aonez.baihongyu.com/

你可能感兴趣的文章
mysql Timestamp时间隔了8小时
查看>>
Mysql tinyint(1)与tinyint(4)的区别
查看>>
mysql union orderby 无效
查看>>
mysql where中如何判断不为空
查看>>
mysql workbench6.3.5_MySQL Workbench
查看>>
MySQL Workbench安装教程以及菜单汉化
查看>>
MySQL Xtrabackup 安装、备份、恢复
查看>>
mysql [Err] 1436 - Thread stack overrun: 129464 bytes used of a 286720 byte stack, and 160000 bytes
查看>>
MySQL _ MySQL常用操作
查看>>
MySQL – 导出数据成csv
查看>>
MySQL —— 在CentOS9下安装MySQL
查看>>
mysql 不区分大小写
查看>>
mysql 两列互转
查看>>
MySQL 中开启二进制日志(Binlog)
查看>>
MySQL 中文问题
查看>>
MySQL 中日志的面试题总结
查看>>
mysql 中的all,5分钟了解MySQL5.7中union all用法的黑科技
查看>>
Mysql 中的日期时间字符串查询
查看>>
MySQL 中锁的面试题总结
查看>>
MySQL 中随机抽样:order by rand limit 的替代方案
查看>>