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Asked by Anubhav Last Modified
Answer 
Shubhada Talegaon
Computer classes For Working professionals and studne of Engineering, MCA, Class 12,11 class 10
% d is a type of format specifier that aids scanf (). It may also be used to achieve formatted input or output. % d is used in scanf () statement. So that, the value entered is received as an integer.
Scanf format string (which stands for "scan formatted") refers to a control parameter used by a class of functions in the string-processing libraries of various programming languages. The format string specifies a method for reading a string into an arbitrary number of varied data type parameter(s).
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Open the man page of scanf() it says
int scanf(const char *format, ...);read less
so what does that mean ? That means first argument of scanf() is of type char*.
And you have provided "%d" and "%d" expects argument nof int type.
In short %d in scanf will scan the integer value from user and store into variable.
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