I think, in the input and output function, the scanf () function, it should be the most troublesome, sometimes it gives us the result is ridiculous, but must be a reason ....
First of all, this log is not an article that describes the usage of
For many reasons, when I first started learning programming, I didn't learn the C language. I learned the object-oriented C ++ directly. But now, in many environments, it is found that C is also a good language. It is particularly effective to use C
------- iOS Training look forward to communicating with you! ----------When we write the code, we can see that almost every C program will include the input and output. The input and output is one of the most basic operations in the program. The C
The first thing we recommend is to use the gets function less.
I encountered this problem is a C language novice more likely to encounter a problem. It's about get () and GetChar () two functions. As we all know, the gets () function is an input
Reprinted from: http://blog.chinaunix.net/u3/99423/showart_2100968.html
I have made many mistakes in the scanf function, and I have also seen mistakes made by others. Remember to remind myself not to repeat the same mistakes. If it is useful to you,
Sscanf
Name:
Sscanf ()-read data that matches the specified format from a string.
Function prototype:
Int sscanf (string STR, string FMT, mixed var1, mixed var2 ...);
Int scanf (const char * Format [, argument]...);
Note:
Similar to scanf, sscanf is
Function Name: scanfFunction: format the input.Usage: int scanf (char * Format [, argument,...]);
The scanf () function is a common terminal formatting input function that reads input information from the standard input device (keyboard. You can
Direct excerpt "C Primer Plus" calculation, too classic, I steal lazy, as a review ~I. OverviewInput from the keyboard is text, because those keys generate text characters: letters, numbers, and punctuation. For example, when you want to enter an
Ladies and gentlemen, crossing, we are talking about the example of getting the current date and time, and this is the example of the library function in the C language: scanf. Gossip Hugh, words return to the positive. Let's talk C chestnuts
Some features of scanf and scanfScanf is very sensitive. It is best not to set the accuracy and field width in scanf; otherwise, the input may fail.
Example:
# Include
Int main (void){Int a = 0;Scanf ("% 5d", & );Printf ("a = % d", );Return 0;}
I
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