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#include<iostream>
#include<sstream>
#include <cstdlib>
#include<string>
using namespace std;
void set_Matrix(float row,float col,string ptr[][100])
{
for(int i=0;i<row;i++)
{
for(int j=0;j<col;j++)
{
cin>>ptr[i][j];
}
}
}
void get_Matrix(float row,float col,string ptr[][100])
{ for(int i=0;i<row;i++)
{
for(int j=0;j<col;j++)
{
cout<<"\t";
cout<<ptr[i][j]<<"\t";
}
cout<<endl;
}
}
void ADD_MATRIX(int row,int col,string ptr[][100],string ptr2[][100])
{
string ptr3[100][100];
string ptr7[100][100];
ostringstream ssÍž
float ptr4[100][100];
ptr4[100][100]= atof(ptr[100][100].c_str());
float ptr5[100][100];
ptr5[100][100]= atof(ptr2[100][100].c_str());
float ptr6[100][100];
ptr6[100][100]= atof(ptr3[100][100].c_str());
for(int i=0;i<row;i++)
{
for (int j=0;j<col;j++)
{
ptr6[i][j]=ptr4[i][j]+ptr5[i][j];
}
}
}
void sub_MATRIX(int row,int col,string ptr[][100],string ptr2[][100])
{
string ptr3[100][100];
for(int i=0;i<row;i++)
{
for (int j=0;j<col;j++)
{
//ptr3[i][j]=ptr[i][j]-ptr2[i][j];
}
}
get_Matrix(row,col,ptr3);
}
void multi_MATRIX(int row,int col,string ptr[][100],string ptr2[][100])
{
string ptr3[100][100];
for(int i=0;i<row;i++)
{
for (int j=0;j<col;j++)
{
//ptr3[i][j]=ptr[i][j]*ptr2[i][j];
}
}
get_Matrix(row,col,ptr3);
}
int main()
{
string ptr[100][100];
int row;
int col;
//int **ptr;
/* *ptr=new int[row];
for(int i=0;i<col;i++)
{
ptr[i]=new int[col];
}*/
cout<<"Please Enter The Number of row : ";
cin>>row;
cout<<"Please Enter The Number of column : " <<endl;
cin>>col;
cout<<"Please Enter The First Matrix : " <<endl;
set_Matrix(row,col,ptr);
get_Matrix(row,col,ptr);
string choice;
do
{
cout<<"Press + to Perform Addition"<<endl;
cout<<"Press - to Perform Substraction"<<endl;
cout<<"Press * to Perform Multiplication"<<endl;
cout<<"Press 0 to exit";
cout<<"Enter your choice : ";
cin>>choice;
switch(choice[0])
{
case'+':
{
string ptr2[100][100];
int row2,col2;
cout<<"Please Enter The Second Matrix : " <<endl;
cin>>row2;
cout<<"Please Enter The Number of column : " <<endl;
cin>>col2;
cout<<"Please Enter The Second Matrix : " <<endl;
set_Matrix(row2,col2,ptr2);
if(row2!=row ||col2!=col )
{
choice[0]='0';
cout<<"ERROR !! "<<endl;
break;
}
ADD_MATRIX(row,col,ptr,ptr2);
break;
}
case '-':
{
string ptr2[100][100];
int row2,col2;
cout<<"Please Enter The Second Matrix : " <<endl;
cin>>row2;
cout<<"Please Enter The Number of column : " <<endl;
cin>>col2;
cout<<"Please Enter The Second Matrix : " <<endl;
set_Matrix(row,col,ptr2);
if(row2!=row ||col2!=col )
{
cout<<"ERROR !! "<<endl;
choice[0]=='0';
}
sub_MATRIX(row2,col2,ptr,ptr2);
break;
}
case '*':
{
string ptr2[100][100];
int row2,col2;
cout<<"Please Enter The Second Matrix : " <<endl;
cout<<"Please Enter The Second Matrix : " <<endl;
cin>>row2;
cout<<"Please Enter The Number of column : " <<endl;
cin>>col2;
set_Matrix(row2,col2,ptr2);
if(row2!=row ||col2!=col )
{
cout<<"ERROR !! "<<endl;
choice[0]=='0';
}
multi_MATRIX(row,col,ptr,ptr2);
break;
}
}
}while(choice[0]!='0');
}
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