Program Array Dev C++
- Dikesempatan ini Saya membagikan program buatan Saya yang menggunakan compiler Dev C dan bahasa pemrograman C. Program ini berisi percabangan, pengulangan, structure, dan array. Semoga ini dapat menjadi referensi teman-teman yang sedang belajar pemrograman C.
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Arrays, in C++, are simply arrangements of 'objects' -- in the basic usage we'll be using in this tutorial, we will be using arrays to simply store lists of data (of a certain because each piece of data stored (whether it be an integer, string, or something entirely different) has a number assigned to it that it can be referenced by. This is called the index, and the index number simply counts up from 0 as the array gets bigger - so the first element in the array would have the index of 0, the second the index of 1, etc.
Obviously storing data in this tabular-like manor is very useful in real world applications - a classic example that is usually given is pupils' scores in a test. Perhaps each student got a score out of 100 for their test - this data would be best stored in an integer array. In the real world the scores would probably be recorded in a text file or something similar, but we could always build in functionality to read this file and then store that data in an array inside our application.
To solve this problem in C, you can create an integer array having 100 elements. An array is a collection of data that holds fixed number of values of same type. For example: int age100; Here, the age array can hold maximum of 100 elements of integer type. If there is an exception thrown then there are no changes in the string. But when we need to find or access the individual elements then we copy it to a char array using strcpy function. After copying it, we can use it just like a simple array. The length of the char. Maka dari itu, sebagai programmer sobat perlu membekali diri dengan pemahaman konsep array dan mampu mengimplementasikannya ke dalam kasus-kasus yang sobat hadapi. Pada kesempatan kali ini kita akan membahas Array Satu Dimensi C, Lengkap Contoh Program dan Penjelasan, dimana contoh program kami buat menggunakan IDE Dev-C. Write a program that asks the user to type 10 integers of an array and an integer value V. The program must search if the value V exists in the array and must remove the first occurrence of V, shifting each following element left and adding a zero at the end of the array. C Arrays C provides a data structure, the array, which stores a fixed-size sequential collection of elements of the same type. An array is used to store a collection of data, but it is often more useful to think of an array as a collection of variables of the same type.
Arrays can be created in C++ very much like 'normal variables' (with a) , followed by the index number of the element we wish to target in square brackets, followed by an equals sign and then the value we wish to set it to (and then obviously a semi-colon to end the line). So if we wanted to initialize the first element (of index 0) in our array to the value '15', we could write the following:
Program Array Dev C Example
The same could also be done for the scores of the other members of the class (elements of the array from index 0 to index 29). If we then wanted to use these values later (for example if we wanted to cout one or all of the elements), we can access a certain element of the array just as we did when we were assigning values to each element - by writing the array name and then the index number in square brackets. So we could output the first element in the array (remember, this is the one with the index of 0!) by writing something like cout << ClassScores[0];.
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You may have noticed when we learnt how to initialize the elements in arrays earlier, that the process was extremely long and drawn out (imagine having to initialize hundreds of array elements!) - luckily there is an easier way to initialize the elements in an array. Instead of individually setting each element to a certain value (which can be done at any point in the program, not just at element initialization) we can actually initialize the elements when we declare the array! This method of initialization is accomplished by simply shoving an equals sign after the declaration of the array and then specifying the different array elements, with commas separating them, in curly brackets. This method doesn't require any value in the square brackets either as the compiler can calculate how many elements we are initializing and set the array size to that! To show this method of initialization, let's just set some values for each score in the class at the array declaration - let's cut it down to 20 this time for the sake of simplicity:
With an array declared and initialized, we can do a whole bunch of stuff with it! A nice example might be outputting all of the students' scores - unfortunately, however, there's no really easy and clean way to do this without knowing about 'loops' or some other fancy things, so for now we'll have to just repeat a bunch of code. Generally speaking when you feel your repeating a lot of code when C++ programming, there is probably a better way to accomplish what you're trying to do, but for now just go with it. I've cut the array down to 5 elements this time, simply because I don't want to have to copy and paste a single line 20 times - you'll learn about a more elegant solution to our problem of outputting array elements in the next tutorial.
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Another really cool thing that you could do with arrays is trying to 're-create' the 'string', character arrays like 'H', 'e', 'l', 'l', 'o' were used -- character arrays of this kind can, unlike most, actually be outputted just by couting their name because they're so much like strings. It's worth nothing that when creating character arrays like these, however, you should also add another character onto the array, which is a 'null character' which shows where the string ends - this is called the null termination of a string, and the null character is expressed via '0'.
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'Real' strings can actually be treated just like character arrays in some circumstances too - using square brackets and an index number gets a certain character of the string (for example string_name[1] of 'Hello' would be 'e'). If you're feeling up to the challenge, try moving a string variable defined in code (of a fixed length) like string one = 'Hello';, to a 'char' array of the same length using the information above. It probably seems a bit pointless, I know, but it's good practice with using arrays. If you don't feel up to the challenge, the code for doing such a thing (which once again would be a bit cleaner with 'loops'), is as follows: