C++ :: Sorting A Structure Array
Jan 22, 2013
i need to print the names as they appear in the original file, print the info of the person with the highest distance, print the info sorted by ascending ID number, and print sorted by name alphabetically. the first two parts work fine but sorting by ID and Name dont work.
#include <iostream>
#include <fstream>
#include <stdlib.h>
#include <string.h>
#include <math.h>
[code]....
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Sep 26, 2012
I cannot manage to get the code for sorting the names in alphabetical order.
#include<stdio.h>
#include<string.h>
typedef struct{
char criminalName[10];
char criminalCase[20];
[code]....
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Apr 18, 2013
I am trying to create a code to sort an array of integer, but only between two positions of the array, not the all array.
like this:
array: 1 2 5 4 7 2 9 8
index: 0 1 2 3 4 5 6 7
i want to sort the array per exemple between the the index 2 and 5.the result is... array: 1 2 2 4 5 7 9 8
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Feb 7, 2015
Example :
Code:
struct x {
int v[4];
};
const x test = { 0, 1, 2, 3 };
Why can I do this? How does the compiler know to write to this in the proper way? I get that v would be contiguous. Does that have something to do with it?
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Nov 22, 2013
i'd like to ask if it's possible to fill every array in structure to zero. (Without using too much cycles)Something like this (I know that it doesn't work):
Code:
typedef struct {
char name[30], sname[30], adress[30], day, month; int year; char number[9], email[30];
} person;
void create_list(person z[100])
}
[code]....
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Feb 8, 2015
I tried sorting arr2 from lowest to highest value, but it only gives me 4 values and then the rest are zero.
Code:
#include <iostream>
#include <iomanip>
using namespace std;
int main()
{
cout << fixed << setprecision(1);
[code].....
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Feb 13, 2013
Selection sorting a 2D array . Let's say i have an array like
1 2 3 4 //4 elements
1 2 // 2 elements
1 2 3 4 5 //5 elements
1 2 3 //3 elements
1 //1 element
And I want to do a selection sort it in descending order which the row with 5 elements will come first then 4 then 3 and so on. So that it would look like this
1 2 3 4 5
1 2 3 4
1 2 3
1 2
1
Code:
void selectionSortDescending(int list[MAX_ROW], int size){
int temp;
int walk;
int curr;
int large; // index of the largest element
for (walk = 0; walk < size - 1; walk++)
[Code] ....
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Nov 18, 2013
I am trying to sort an array of size 10. If I was given:
Code: int List[Size] = {29, 11,12,10,3,26,13,15,19,2};
I need the program to sort all the odd integers and put the even integers to the back of the array. Like so:
Index: 0 1 2 3 4 5 6 7 8 9
Value:29 11 3 13 15 19 12 10 26 2
And it returns the number of even integers in the List. In this case it returns 4. All I am given to start with is
Code:
int evensToRead(int* const List, const int Size){
//body
}
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Oct 24, 2013
i have a matrix containing a lot of points and each point has its coordinates x and y. That is a nx2 size array. I want to sort it according to the first column ascending, with x coordinates. For points that have the same x coord i would like to sort according to y coord. Here is what i did and i cannot get a good result.
Code:
#include <stdio.h>
#include <stdlib.h>
int main(){
int a[5][2] = {{1,0}, {4,2}, {2,4}, {8,6},{4,8}};
int temp=0;
int i=0;
int j=0;
[Code]...
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Jan 3, 2014
I have a question about sorting a 2D array. Lets suppose I've got the following array:
2 5 7 4 8
3 11 14 5 2
6 3 12 9 1
7 15 11 4 2
8 16 13 5 1
I would like to sort this array diagonally to make it look as : [URL] ....
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Jan 9, 2014
Here is what I have, I have a 1D Array being added to a 2D Array and I need to Sort them by value value 3 in the 2D Array, while maintaining a specific amount. Here is what I have so far:
public static void CheckHS(string[] HS) {
try {
GeneralData.HighScores[10, 0] = "11";
GeneralData.HighScores[10, 1] = HS[1];
GeneralData.HighScores[10, 2] = HS[2];
GeneralData.HighScores[10, 3] = HS[3];
//Need Sort Data - Bubble Sort?
}//end Try
catch (Exception ex) { MessageBox.Show(ex.Message); }
}
I am thinking bubble sorting but I remember reading about something faster. Unfortunately I can't find it on the web. The idea is that there will be always 10 Values and 4 Columns on the 2D Array. [The 11th Row being empty at the end of it.
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Jan 3, 2014
How to sort a 2D array diagonally? Lets suppose I've got the following array:
2 5 7 4 8
3 11 14 5 2
6 3 12 9 1
7 15 11 4 2
8 16 13 5 1
I want to create a function that sort them diagonally like this: [URL] .....
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Jul 23, 2013
Ok, so this assignment is to create a structure that allows input for up to 6 employees that then makes a 6 structure array showing Employee ID, Employee Last Name, Employee Pay Rate, Employee Hours Worked, Employee Pay, and Total Gross Pay for All Employees.
I don't have a printf yet for total gross, but right now I am just trying to tackle the input. Obviously I am not doing it right because although gcc complier is not giving errors the program is not ending when I type 'q' (sentinel issue) or when I reach 6 employees. It just continues input forever. Here is my code so far:
Code:
//Cameron Taylor
#include <stdio.h>
#define MAXARRAY 6
struct Record{
int idnum;
char lname[20];
double pay_rate;
[Code] ........
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Jun 17, 2013
I need to sort the elements in a 2d array by their index (starting from 1) for example:
Code:
1 5 3
4 7 8
4 10 2
10 is the biggest element and its index is 32, after 10 comes 8 with index 23 etc etc...
Looking for examples for two orders ... By descending and ascending order...
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Feb 2, 2015
I have an algorithm and I want to make it as efficient as possible. Basically it just involves putting numbers in order. I have two options, but which one would be more efficient:
1. Using a doubly linked list. Every time a user wants to add a new number, the algorithm will start searching the correct place for the number from the beginning of the list. This is efficient per se, but once there are about a million numbers and a number has to be put in at the end of the list, the algorithm must go through all the 999 999 numbers before it.
2. Using a container to store all the numbers first, then sorting the numbers. In this case, adding all the numbers is fast, but the actual sorting will take a long time.
Which option would be more efficient? I was thinking of using maybe merge sort or quick sort in option 2. Yes, I'm aware I could just use vector and sort, but that's not my goal here.
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Nov 7, 2014
I wish to sort a string array alphabetically and im not sure if i am doing it right. for example:
string a[5]; //initial array
string b[5]; //sorted array
int index = 0; //index of b array
for (int i = 0; i < 5; i++){
for (int j = 0; j < 5; j++){
int c = 0;
[Code] ....
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Dec 29, 2013
I need to sort an array of n given elements using recursion. What am i doing wrong here?
#include <iostream>
using namespace std;
int i=0, j=1, v[100], n;
[Code].....
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Nov 25, 2013
Why this wont run? I'm getting the cant convert int* to const char error but i do not know why?
I'm trying to create a program that creates an array of 100 ints between 0 and 250 and then sorts them using a separate function, I've gotten this far
#include <iostream>
#include <stdlib.h>
#include <time.h>
#include <stdio.h>
#include <cstring>
using namespace std;
void quicksort (int *items, int len);
[Code] ....
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Jan 4, 2014
This code prints 10 20 40 50 30.
#include “stdafx.h”
#include
#include
using namespace std;
int main() {
int anarray[5] = {40,10,50,30,20};
for (int iii=0 ; iii <= 4 ; iii++)
[Code] .....
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Apr 3, 2014
I have two arrays of characters that I want to combine and sort according to an internal variable (init) using a forward-iterating linked list. The two arrays must stay separated, as one of the arrays (the enemies) is contained within the object (encounter), the other is passed in via pointers (the players). The array inside the object will be destroyed later (when the encounter is over and the enemies are hopefully dead) while the one that is passed in must survive to be passed into other objects at a later time (the next encounter). My thought is to sort each array by linked list separately first, then iterate through and combine the two lists, But how to do this and no support IRL.
// DECLARATION OF CLASSES //
class character{
public:
character(); // Constructor
[Code]....
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Oct 25, 2014
I should sort an array of mixed float and integer numbers by merge method, and using the pointers to sort that mix array. how to use pointers to sort those different type of data.
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Mar 26, 2014
Were supposed to be able to sort an array which is user input, but the first number they input is supposed to be the length of the array, and everything after that is the actual array.
Here is my code:
#include <iostream>
#include <iomanip>
using namespace std;
int main() {
int size;
int list[80];
bool isSorted (const int list[], int size);
[code]....
I'm stuck on how I'm supposed to use the first digit of input for the array size.
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May 8, 2014
I'm really struggling with bubble sorting a classed array(an inventory). I understand bubble sorting in theory and implementing it into a static array makes sense. When I get to doing it in a classed array then I struggle. I need to sort the weight by bubble sort (then selection sort for name, and insertion sort the cost; but I want to tackle one problem at a time.
Here is the code:
#include <iostream>
#include <iomanip>
#include <conio.h>
#include "Inventory.h"
#define MAX_REC 10
using namespace std;
//Class to hold inventory variables/funcitons
[Code] ......
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Mar 26, 2013
knows if there is a ready made function in C++ to sort (numerically or alphabetically) multiple arrays based on a particular array?
i.e. Imagine you have multiple arrays or a multi-dimentional array containing data about users (name, age, etc.)
Is there a function that for example can sort it by name, and automatically shift the age so they still correspond to the correct user name?
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Nov 25, 2014
I need to find the Mean, median, mode, and make a histogram of a 99 value array. How ever my sorting function is not sorting the array at all how can I fix this.
#include <iostream>
#include <fstream>
#include <cstdlib>
#include <math.h>
#include <cctype>
[Code].....
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Feb 3, 2013
i wanted to sort an array with double bubble sort but it didnt work!
my code is this:
void doubleBubbleSort(int *array, int length) {
int i,j;
for(i=0; i<length--;i++) {
if(array[i]>array[i++])
for(j=i;j>=0&&(array[j]>array[j++]);j--)
std::swap(i,j);
[code].....
how to get time like 1.56 seconds,too!
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