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Counting inversions in an array

...m to do the following: Given array A[1... n] , for every i < j , find all inversion pairs such that A[i] > A[j] . I'm using merge sort and copying array A to array B and then comparing the two arrays, but I'm having a difficult time seeing how I can use this to find the number of inversions...
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Where to get “UTF-8” string literal in Java?

... You don't really need to call name() at all. You can directly pass the Charset object into the InputStreamReader constructor. – Natix Nov 19 '14 at 10:33 ...
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How to verify if a file exists in a batch file?

... Reminder: IF, EXIST, ELSE, REM, DEL, etc. all work in lowercase as well! – Terra Ashley Jul 19 '16 at 23:57 1 ...
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How can I save a screenshot directly to a file in Windows? [closed]

...ormat format = ImageFormat.PNG; or ImageFormat format = ImageFormat.JPG; All is here for you – Patrick Desjardins Oct 1 '08 at 15:31 4 ...
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What is the difference between UTF-8 and Unicode?

...'ve got lots of languages with lots of characters that computers should ideally display. Unicode assigns each character a unique number, or code point. Computers deal with such numbers as bytes... skipping a bit of history here and ignoring memory addressing issues, 8-bit computers would treat an 8...
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Print multiple arguments in Python

...or", name, "is", score) If you don't want spaces to be inserted automatically by print in the above example, change the sep parameter: print("Total score for ", name, " is ", score, sep='') If you're using Python 2, won't be able to use the last two because print isn't a function in Python 2. Y...
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Why can't I overload constructors in PHP?

I have abandoned all hope of ever being able to overload my constructors in PHP, so what I'd really like to know is why . ...
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How do I change the color of radio buttons?

... | edited Sep 11 '17 at 23:19 answered Nov 23 '10 at 8:10 ...
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Python Sets vs Lists

...move the object creation now. The setup phase of the timeit loops is only called once (docs.python.org/2/library/timeit.html#timeit.Timer.timeit). – Ellis Percival Sep 30 '14 at 10:09 ...
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How much faster is Redis than mongoDB?

...benchmarks that test your case and link from this post instead, then we'll all benefit from your "tested" opinion. – Homer6 Jan 7 '13 at 18:38 ...