Question

Sort using a 2-Dimension Array of characters

Input the size of the 2 dimensional character array, then sort by row.

Input

678↵
567↵
456↵

Expected Output

456↵
567↵
678↵

Input

Ted↵
Mary↵
Bobby↵

Expected Output

Bobby↵
Mary↵
Ted↵

/*
* File: main.cpp
* Author: YOUR NAME HERE
* Created on DATE AND TIME HERE
* Purpose: Sorting a 2-D array of characters if row and columns match
*/

//System Libraries Here
#include <iostream>//cin,cout
#include <cstring> //strlen(),strcmp(),strcpy()
using namespace std;

//User Libraries Here

//Global Constants Only, No Global Variables
//Allowed like PI, e, Gravity, conversions, array dimensions necessary
const int COLMAX=80;//Only 20 required, and 1 for null terminator

//Function Prototypes Here
int read(char [][COLMAX],int &);//Outputs row and columns detected from input
void sort(char [][COLMAX],int,int);//Sort by row
void print(const char [][COLMAX],int,int);//Print the sorted 2-D array

//Program Execution Begins Here
int main(int argc, char** argv) {
//Declare all Variables Here
const int ROW=30; //Only 20 required
char array[ROW][COLMAX]; //Bigger than necessary
int colIn,colDet,rowIn,rowDet;//Row, Col input and detected
  
//Input the size of the array you are sorting
cout<<"Read in a 2 dimensional array of characters and sort by Row"<<endl;
cout<<"Input the number of rows <= 20"<<endl;
cin>>rowIn;
cout<<"Input the maximum number of columns <=20"<<endl;
cin>>colIn;
  
//Now read in the array of characters and determine it's size
rowDet=rowIn;
cout<<"Now input the array."<<endl;
colDet=read(array,rowDet);
  
//Compare the size input vs. size detected and sort if same
//Else output different size
if(rowDet==rowIn&&colDet==colIn){
sort(array,rowIn,colIn);
cout<<"The Sorted Array"<<endl;
print(array,rowIn,colIn);
}else{
if(rowDet!=rowIn)
cout<<(rowDet<rowIn?"Row Input size less than specified.":
"Row Input size greater than specified.")<<endl;
if(colDet!=colIn)
cout<<(colDet<colIn?"Column Input size less than specified.":
"Column Input size greater than specified.")<<endl;
}
  
//Exit
return 0;
}

Answer 1

/*
* File: main.cpp
* Author: YOUR NAME HERE
* Created on DATE AND TIME HERE
* Purpose: Sorting a 2-D array of characters if row and columns match
*/

//System Libraries Here
#include <iostream> //cin,cout
#include <string>
#include <cstring> //strlen(),strcmp(),strcpy()
using namespace std;

//User Libraries Here

//Global Constants Only, No Global Variables
//Allowed like PI, e, Gravity, conversions, array dimensions necessary
const int COLMAX = 80; //Only 20 required, and 1 for null terminator

//Function Prototypes Here
int read(char array[30][COLMAX], int &row) //Outputs row and columns detected from input
{
int n = 0, k = 0;
string temp;
int j = 0;
cin.ignore();
getline(cin, temp);
for (auto i : temp)
{
array[0][j] = i;
j++;
}
k = temp.length();
for (int i = 1; i < row; i++)
{
j = 0;
getline(cin, temp);
for (auto l : temp)
{
array[i][j] = l;
j++;
}
if (temp.length() != k)
{
cout << "Please input correctly\n";
i--;
}
k = temp.length();
}
return k;
}
void sort(char array[][COLMAX], int row, int col) //Sort by row
{
bool sort = false;
while (!sort)
{
sort = true;
int j = 0;
for (int i = 0; i < row - 1; i++)
{
if (array[i][j] > array[i + 1][j])
{
sort = false;
string temp;
for (int p = 0; p < col; p++)
{
temp += array[i][p];
array[i][p] = array[i + 1][p];
}
for (int p = 0; p < col; p++)
{
array[i + 1][p] = temp[p];
}
}
}
}
}
void print(const char array[][COLMAX], int row, int col) //Print the sorted 2-D array
{
for (int i = 0; i < row; i++)
{
for (int j = 0; j < col; j++)
cout << array[i][j];
cout << endl;
}
}

//Program Execution Begins Here
int main(int argc, char **argv)
{
//Declare all Variables Here
const int ROW = 30; //Only 20 required
char array[ROW][COLMAX]; //Bigger than necessary
int colIn, colDet, rowIn, rowDet; //Row, Col input and detected

//Input the size of the array you are sorting
cout << "Read in a 2 dimensional array of characters and sort by Row" << endl;
cout << "Input the number of rows <= 20" << endl;
cin >> rowIn;
cout << "Input the maximum number of columns <=20" << endl;
cin >> colIn;

//Now read in the array of characters and determine it's size
rowDet = rowIn;
cout << "Now input the array." << endl;
colDet = read(array, rowDet);
//Compare the size input vs. size detected and sort if same
//Else output different size
if (rowDet == rowIn && colDet == colIn)
{
sort(array, rowIn, colIn);
cout << "The Sorted Array" << endl;
print(array, rowIn, colIn);
}
else
{
if (rowDet != rowIn)
cout << (rowDet < rowIn ? "Row Input size less than specified." : "Row Input size greater than specified.") << endl;
if (colDet != colIn)
cout << (colDet < colIn ? "Column Input size less than specified." : "Column Input size greater than specified.") << endl;
}

//Exit
return 0;
}

OUTPUT

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