arraydiagonal.c

#include<stdio.h>
int main(){
int rows,column;
    printf("enter num of rows of array\n");
    scanf("%d",&rows);
    printf("enter num of columns of array\n");
    scanf("%d",&column);
    int arr[rows][column];
    printf("enter the elements in 2d array\n");
    for (int i=0;i<rows;i++){
        for (int j=0;j<column;j++){
            scanf("%d",&arr[i][j]);
        }
    }
    printf("\nthe 2d array /matrix is:\n\n"); 
    for (int i=0;i<rows;i++){
       for (int j=0;j<column;j++){
           printf("%d  ",arr[i][j]);
       }printf("\n");
   }
    //left diagonal 
    printf("left diagonal elements:\n");
    for (int i=0;i<rows;i++){
        for (int j=0;j<column;j++){
            if (i==j){
                printf("%d",arr[i][j]);
            }else{
                printf(" ");
            }
        }
        printf("\n");
    }
    //right diagonal
    printf("right diagonal elements:\n");
    for (int i=0;i<rows;i++){
        for (int j=0;j<column;j++){
            if (i+j==rows-1){
                printf("%d",arr[i][j]);
            }else{
                printf(" ");
            }
        }
        printf("\n");
    }
    return 0;
}