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#include <stdio.h>
#include <conio.h>
void Change(int** matrix, int m, int n);
void Create(int m, int n, int i,int j);
void Out(int m, int n, int i, int j);
void Delete(int i,int m);
int** Matrix;
int main()
{
int m, n;
int i, j;
printf("Input dimensions of a matrix: ");
scanf_s("%i %i", &m, &n);
Matrix = new int*[m];
for(i = 0; i < m; i++)
{
Matrix[i] = new int[n];
}
Create(m,n,i,j);
Out(m,n,i,j);
Change(Matrix, m, n);
printf("\n");
Out(m,n,i,j);
Delete(i,m);
printf("Press any key to exit\n");
_getch();
return 0;
}
void Create(int m, int n, int i,int j)
{
for(i = 0; i < m; i++)
{
for(j = 0; j < n; j++)
{
Matrix[i][j] = i + j;
}
}
}
void Out(int m, int n, int i, int j)
{
for(i = 0; i < m; i++)
{ for(j = 0; j < n; j++)
{
printf("%4i", Matrix[i][j]);
}
printf("\n");
}
}
void Change(int** matrix, int m, int n)
{
int* minElements = new int[n];
int* maxElements = new int[n];
for(int j = 0; j < n; j++)
{
int minElement = matrix[0][j];
int maxElement = matrix[0][j];
for(int i = 0; i < m; i++)
{
if(minElement > matrix[i][j])
{
minElement = matrix[i][j];
}
if(maxElement < matrix[i][j])
{
maxElement = matrix[i][j];
}
}
minElements[j] = minElement;
maxElements[j] = maxElement;
}
int minCol = 0, maxCol = 0;
int absoluteMin = minElements[0];
int absoluteMax = maxElements[0];
for(int j = 0; j < n; j++)
{
if(minElements[j] < absoluteMin)
{
absoluteMin = minElements[j];
minCol = j;
}
if(maxElements[j] > absoluteMax)
{
absoluteMax = maxElements[j];
maxCol = j;
}
}
int temp;
for(int i = 0; i < m; i++)
{
temp = matrix[i][minCol];
matrix[i][minCol] = matrix[i][maxCol];
matrix[i][maxCol] = temp;
}
delete minElements;
delete maxElements;
}
void Delete(int i,int m)
{
for(i = 0; i < m; i++)
{
delete Matrix[i];
}
delete Matrix;
}
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