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- Dictionarymas·sive/ˈmasiv/
adjective
- 1. large and heavy or solid: "a massive rampart of stone"
- 2. exceptionally large: "massive crowds are expected"
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Oct 3, 2009 · @AndersonGreen As I said there's no such thing as a variable declaration in Python. You would create a multidimensional list by taking an empty list and putting other lists inside it or, if the dimensions of the list are known at write-time, you could just write it as a literal like this: my_2x2_list = [[a, b], [c, d]].
One thing to note: all elements in the list will have initially the same id (or memory address). When you change any element later on in the code, this will impact only the specified value, - HOWEVER - if you create a list of custom objects in this way (using the int multiplier) and later on you change any property of the custom object, this will change ALL the objects in the list.
Oct 27, 2010 · Anyhow, I want to add that it is also possible to do this for multi-dimensional arrays you'd normally define like int[][] matrix = {{1,2}, {3,4}}. The key is that you store all elements in one array and make use of the fact that the array is a continuous block in memory (see here for a clarification of "block"), meaning that you can "slice" yourself through dimensions.
Nov 27, 2015 · A #define value has no size, specifically. It's just text substitution. It depends on the context of where (and what) is being substituted. In your example, where you use M_40, the compile will see 40, and usually treat it as in int. However, if we had: void SomeFunc(long);
I'm implementing a sequential program for sorting like quicksort. I would like to test the performance of my program in a huge array of 1 or 10 billions of integers.
Apr 20, 2016 · I need to test mysql queries in Mysql client. Therefore i need to define array in mysql, but i can't find how? Could you help me please? I define array from backend: WHERE rates.id IN (:array) ...
Oct 28, 2009 · The #define advantage of not using any memory is inaccurate. The "60" at the example has to be stored somewhere, regardless if it's static const or #define. In fact, I've seen compilers where using #define caused massive (read-only) memory consumption, and static const used no un-needed memory. –
Jun 2, 2009 · You can define your own two dimensional array generic class, and define the constructor of the two dimensional array class to receive two integers to specify the number of rows and columns in the new two dimensional array, and define get function that receive two parameters of integer that access an element in the two dimensional array and returns its value, and set function that receives ...
Aug 6, 2016 · I tried to solve well-known task " pile of stones " with sorting and throwing weights to different massives. But programm works weird now, it shows correct massives and summs of elements in debug m...
Nov 29, 2015 · I used #define MAX 1000000000 in the above code, moved prime to be a global, and ran it using time, then altered the code to use new/delete, and it took around 0.5s longer - but the overall runtime is 20.4 or 20.9 seconds, so it's about 2% of the total runtime, and I'm pretty sure more than 2% can be gained by doing other things.
