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
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,
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
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
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
The scanf () function is the second function that all C language learners encounter when learning C language (the first function is printf (), Brian W. kerninghan & Dennis M. ritchie's "Hello, world" program is basically the first example for all C
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
The scanf function is called a format input function, that is, the data is input to the specified variable from the keyboard in the format specified by the user.Common form of scanf Functions
Scanf is a standard library function. Its function
3.2.5.2 simulate the C function scanf () function, 3.2.5.2scanf
In Python, there is no function directly equivalent to scanf (). Therefore, to format the input, you need to use the regular expression function. In addition, the function of the
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