请完成FileSearch
中的程序,找到第一个包含指定文本的行的行号,行号从1开始计算。若没找到,则返回-1。
例如,给定一个文件:
AAA
BBB
CCC
则查找BBB的结果是2,查找DDD的结果是-1。注意,文件可能很大,超过了内存的大小。
注意!我们只允许你修改以下文件,对其他文件的修改会被拒绝:
完成题目有困难?不妨来看看写代码啦的相应课程吧!
回到写代码啦的题目,继续挑战!
This project forked from hcsp/grep-file
Java basic practice for beginners: IO
请完成FileSearch
中的程序,找到第一个包含指定文本的行的行号,行号从1开始计算。若没找到,则返回-1。
例如,给定一个文件:
AAA
BBB
CCC
则查找BBB的结果是2,查找DDD的结果是-1。注意,文件可能很大,超过了内存的大小。
注意!我们只允许你修改以下文件,对其他文件的修改会被拒绝:
完成题目有困难?不妨来看看写代码啦的相应课程吧!
回到写代码啦的题目,继续挑战!
A declarative, efficient, and flexible JavaScript library for building user interfaces.
🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
An Open Source Machine Learning Framework for Everyone
The Web framework for perfectionists with deadlines.
A PHP framework for web artisans
Bring data to life with SVG, Canvas and HTML. 📊📈🎉
JavaScript (JS) is a lightweight interpreted programming language with first-class functions.
Some thing interesting about web. New door for the world.
A server is a program made to process requests and deliver data to clients.
Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.
Some thing interesting about visualization, use data art
Some thing interesting about game, make everyone happy.
We are working to build community through open source technology. NB: members must have two-factor auth.
Open source projects and samples from Microsoft.
Google ❤️ Open Source for everyone.
Alibaba Open Source for everyone
Data-Driven Documents codes.
China tencent open source team.