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Write a c program to accept alist of 10 namews input by user then display the sorted list of names back to the user?
Wiki User
∙ 8y ago
, since you seem to be needing help with your homework, I can give you some psuedo code to help you on your way!
[CODE]
DECLARE ARRAY names[10]
FOR i = 0 TO 9
names[i] = READ INPUT FROM USER
ENDFOR
CALL FUNCTION sort WITH PARAMETERS names, 10
[/CODE]
In the event that you have to create your own sorting function, I can give you some pseudo-code for the selection sort - a relatively easy-to-write sorting algorithm which doesn't involve any complicated data structures, or more advanced programming patterns, such as recursion.
[CODE]
FUNCTION sort WITH PARAMETER ARRAY names[], size
FOR i = 0 TO size
min = i
FOR j = i + 1 TO size
//Find the smallest unsorted element in the list
IF names[min] > names[j] THEN min = j
END FOR
SWAP names[i] AND names[min]
END FOR
END FUNCTION
[/CODE]
The above function sorts in ascending order. The smallest element will be located at names[0], and the largest will be at names[size].
If you are allowed to, you may be able to use C's builtin strcmp() function to compare strings (found in #include <string.h>, or #include <cstring> for a C++ compiler). PLEASE REMEMBER that you can not compare strings directly in C!!! A C-string is nothing more than a memory address. If you attempt to compare two strings directly, then the compiler will NOT compare the strings, but the memory addresses where the strings are located! If you can't use strcmp(), you will have to write your own string comparing function.
When reading input from the user, you will need to use scanf() for C. Also remember that C does not do any memory management for you, so you need to make sure you have enough space in your character arrays to read in a string from the user. Because you have multiple names, you will need to create an array of arrays. Something similar to this: "char names[NUMBER_OF_NAMES][CHARACTERS_IN_A_NAME];" where NUMBER_OF_NAMES = 10 and CHARACTERS_IN_A_NAME is an arbitrary number, large enough to store a name (I would pick something like 100).
Wiki User
∙ 8y ago
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