flip.c

#include <stdio.h>
void swap(int a, int b)
{
    int temp = 0;
    temp = a;
    a = b;
    b = temp;
}
void reverse(int x[],int start, int end)
{
    int temp;
    while(start<end)
    {
        temp=x[start];
        x[start]=x[end];
        x[end]=temp;
        start++;
        end--;
    }
}
int main()
{
    int row, col;
    printf("Enter the number of rows and columns:\n");
    scanf("%d %d", &row, &col);
    int arr[row][col];
    int flip[col][row];
    int rect[100][100];

    if (row == col)
    {
        for (int i = 1; i <= row; i++)
        {
            printf("Enter row %d\n", i);
            for (int j = 1; j <= col; j++)
            {
                scanf("%d", &arr[i][j]);
            }
        }

        for (int i = 1; i <= row; i++)
        {

            for (int j = 1; j <= col; j++)
            {
                if(i+j==row+1)
                {
                    flip[i][j]=arr[i][j];
                }
                else
                {
                    flip[row+1-j][col+1-i]=arr[i][j];
                }
            }
        }


        for (int i = 1; i <= row; i++)
        {

            for (int j = 1; j <= col; j++)
            {
                printf("%d ", flip[i][j]);
            }
            printf("\n");
        }
    }

    else
    {
        for (int i = 1; i <= row; i++)
        {
            printf("Enter row %d\n", i);
            for (int j = 1; j <= col; j++)
            {
                scanf("%d", &arr[i][j]);
            }
        }

        for (int i = 1; i <= row; i++)
        {

            for (int j = 1; j <= col; j++)
            {
                rect[j][i]=arr[i][j];
            }
        }

        for (int i = col; i >= 1; i--)
        {

            for (int j = row; j >= 1; j--)
            {
                printf("%d ", rect[i][j]);
            }
            printf("\n");
        }
    }
    return 0;
}