#include <bits/stdc++.h>

using namespace std;

void inputArray2D(int [100][100],int,int);
void printArray2D(int [100][100],int,int);
void print1D(int[16]);
void countArray(int[100][100],int,int,int[16]);

int main()
{
///Q:4.

int arr2D[100][100],arr1D[16]={0},arr[100],r,c,n,m;

cout<<"For Diagonal matrix, Row Column must be same here "<<endl;
cout<<"input Row: ";
cin>>r;
cout<<"input Col: ";
cin>>c;
inputArray2D(arr2D,r,c);
printArray2D(arr2D,r,c);
cout<<endl;

countArray(arr2D,r,c,arr1D);

print1D(arr1D);
}

void inputArray2D(int arr[100][100],int row,int col)
{
    cout<<"input 2D array"<<endl;
    for(int i=0;i<row;i++)
    {
        for(int j=0;j<col;j++)
        {
         //   cin>>arr[i][j];
         arr[i][j]=rand()%16;
        }
    }
}

void printArray2D(int arr[100][100],int row,int col)
{
    cout<<endl;
     for(int i=0;i<row;i++)
    {
        for(int j=0;j<col;j++)
        {
           cout<<arr[i][j]<<" ";
        }
        cout<<endl;
    }
    cout<<endl;
}


int returnDiagonalSize(int arr[100][100],int arr1D[100],int row,int col)
{

     for(int i=0,j=0;i<row;i++,j++)
    {
       arr1D[i]=arr[i][j];/// This will store diagonal value in 1D array.
    }
    return row; ///here return the size


}
void print1D(int arr[20])
{
    for(int i=0;i<16;i++)
    {
         cout<<i<<".";
        for(int j=0;j<arr[i];j++)
        {
           cout<<"*";
        }
        cout<<endl;
    }
}

void countArray(int arr[100][100],int row,int col,int arr1D[16])
{

    for(int i=0;i<row;i++)
    {
        for(int j=0;j<col;j++)
        {
            arr1D[arr[i][j]]++;
        }
    }


}