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iomanip setfill() function in C++ with Examples

Last Updated : 12 Jul, 2025
The setfill() method of iomanip library in C++ is used to set the ios library fill character based on the character specified as the parameter to this method. Syntax:
setfill(char c)
Parameters: This method accepts c as a parameter which is the character argument corresponding to which the fill is to be set. Return Value: This method does not returns anything. It only acts as stream manipulators. Example 1:
Output:
Before setting the fill char: 
 50
Setting the fill char setfill to *: 
********50
Example 2:
Output:
Before setting the fill char: 
 50
Setting the fill char setfill to $: 
$$$$$$$$50
Reference: https://cplusplus.com/reference/iomanip/setfill/
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