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You are given an array of Strings. Your task is to find the characters that are present in every string, and return them as an array, in any order. There may be duplicates.
Example:
Input: "cattle", "throttle", "r...
0
The looping counter is a challenge that prints infinite number of lines. The first line has one *, the next line has one more * than this line, an example output is:
*
**
***
****
*****
******
*******
... (goes forever)
This is code-golf, so code in the fewest bytes.
Your output can be in any pl...
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Is this a valid PZN?
A Pharmazentralnummer, or PZN, is an eight-digit code which uniquely identifies medications, medical products, and similar items in the German healthcare system. Examples include ibuprofen tablets, insulin injectors, toothpaste, warm-and-cold compresses, all sorts of things. ...
There are three reported arrests of Ulysses S. Grant by officers of the Metropolitan Police Department of the District of Columbia (MPD), all for speeding by horse. Grant, who led the Union Army to victory in the American Civil War, was widely known for his prowess as a horseman. The first two of the reported arrests were in 1866, when Grant was commanding general; the third is said to have occurred in 1872, when Grant was serving as the president of the United States. While of questionable historicity, the third is the best-known; if it did occur, this would make Grant the only U.S. president...
