Welcome to OGeek Q&A Community for programmer and developer-Open, Learning and Share
Welcome To Ask or Share your Answers For Others

Categories

0 votes
186 views
in Technique[技术] by (71.8m points)

c - Reading .txt File Input not Working

So I am a beginner to C, and I am trying to open and read a file, storing each element of the file in an array. The following code seems like it should work in practice, but when the output gives me

50 2500

for whatever reason. If anybody could offer any help on what I need to fix, it would be greatly appreciated

...

See Question&Answers more detail:os

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome To Ask or Share your Answers For Others

1 Reply

0 votes
by (71.8m points)

When you use fgets(), you're pulling strings(character arrays) from the file with the newline char as the delimiter. fscanf() would be more appropriate for pulling ints from files.

The reason your program prints 50 is because the value of magicSquareArray[0] after the while loop is '2', not 2, and the ascii value of '2' is 50.


与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
OGeek|极客中国-欢迎来到极客的世界,一个免费开放的程序员编程交流平台!开放,进步,分享!让技术改变生活,让极客改变未来! Welcome to OGeek Q&A Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question

1.4m articles

1.4m replys

5 comments

56.9k users

...