From d883b358f40a4b4f05c5f1493d7debbe82156bac Mon Sep 17 00:00:00 2001
From: Kelash <58991510+KumarKelashMeghwar@users.noreply.github.com>
Date: Sat, 23 Oct 2021 14:37:09 +0500
Subject: [PATCH] Added Some cpp programs

---
 Add-nums-with-bitwise.cpp |  27 ++++++++
 matrix calculator.cpp     | 128 ++++++++++++++++++++++++++++++++++++++
 pointers.cpp              |  15 +++++
 prime number.cpp          |  18 ++++++
 reading files.cpp         |  45 ++++++++++++++
 switch statement.cpp      |  23 +++++++
 time conversion.cpp       |  14 +++++
 turnory operator.cpp      |  12 ++++
 8 files changed, 282 insertions(+)
 create mode 100644 Add-nums-with-bitwise.cpp
 create mode 100644 matrix calculator.cpp
 create mode 100644 pointers.cpp
 create mode 100644 prime number.cpp
 create mode 100644 reading files.cpp
 create mode 100644 switch statement.cpp
 create mode 100644 time conversion.cpp
 create mode 100644 turnory operator.cpp

diff --git a/Add-nums-with-bitwise.cpp b/Add-nums-with-bitwise.cpp
new file mode 100644
index 0000000..3abd4fb
--- /dev/null
+++ b/Add-nums-with-bitwise.cpp
@@ -0,0 +1,27 @@
+#include <stdio.h>
+int main()
+{
+	int number,number2,sum,carry;
+
+	do{
+		printf("Enter 1st Number: ");
+		scanf("%d",&number);
+
+		printf("Enter 2nd Number: ");
+		scanf("%d",&number2);
+
+		
+		while(number2!=0){
+			sum= number ^ number2;
+			carry= (number & number2)<<1;
+			number=sum;
+			number2=carry;
+		}
+
+		printf("Addition is: %d\n",number);
+
+		
+	}while(true);
+	return 0;
+
+}
diff --git a/matrix calculator.cpp b/matrix calculator.cpp
new file mode 100644
index 0000000..a6a8139
--- /dev/null
+++ b/matrix calculator.cpp	
@@ -0,0 +1,128 @@
+#include<iostream>
+#include<conio.h>
+using namespace std;
+
+void setmatrix(int array[3][3])
+    {
+        cout<<"Enter Values:\n";
+           for(int i=0;i<3;i++)
+  	      { 
+    	       for(int j=0;j<3;j++) 
+		         {
+	 			    cout<<"("<<i<<","<<j<<")= ";
+	  			    cin>>array[i][j];
+    	          }
+  	       }
+	}
+
+void showmatrix(int array[3][3])
+		{ 
+		 for(int i=0;i<3;i++)
+ 		   {
+   			  for(int j=0;j<3;j++)
+     			 {cout<<array[i][j]<<" ";} 
+     		  cout<<endl;
+ 		   }
+		}
+
+void matrixaddition(int array1[3][3],int array2[3][3])
+ 	 {   
+ 	    int tempvariable;
+ 	    
+      for(int i=0;i<3;i++)
+   		{
+     	 for(int j=0;j<3;j++)
+	   		{
+	      tempvariable=array1[i][j]+array2[i][j];
+   			cout<<tempvariable<<" ";
+       		 }
+         cout<<endl;
+    	}
+  	 }
+void matrixmultiplication(int array1[3][3],int array2[3][3])
+ 	{   
+	  int tempvariable;
+    	for(int i=0;i<3;i++)
+    	{ 
+    	  for(int j=0;j<3;j++) 
+    		{   int sum=0;
+		     	for(int k=0;k<3;k++)
+		  	 {
+    			sum+=array1[i][k]*array2[k][j]; 
+		  	 }
+	       	 tempvariable=sum; 
+	         cout<<tempvariable<<" ";	
+     		}  
+		   cout<<endl;
+		}
+    }
+    
+void matrixsubtraction(int array1[3][3],int array2[3][3])
+ 		{
+ 			int tempvariable;
+			for(int i=0;i<3;i++)
+   		  {
+           	  for(int j=0;j<3;j++)
+	      		{
+	      		tempvariable=array1[i][j]-array1[i][j];
+           		 cout<<tempvariable<<" ";
+          		}
+            cout<<endl;
+    	  }
+		}
+
+void matrixdivision(int array1[3][3],int array2[3][3])
+    {
+    	cout<<"\nCant perform Division in matrices\n";
+    	
+    }  	 
+int main()
+{
+	char c,doagain=' ';
+     int A[3][3], B[3][3];          //Two matrices
+     
+    cout<<"Enter first matrix: \n";
+	 setmatrix(A);
+     
+    cout<<"\nEnter 2nd matrix: \n";
+     setmatrix(B);
+     
+    cout<<"The two matrices are: \n";
+    showmatrix(A);
+    
+    cout<<endl<<endl;
+    showmatrix(B);
+     
+     while(doagain!='n') 
+     {
+	 
+	  cout<<"\nWhich operation do you want to perform(+,-,*,/)? : ";
+      cin>>c;
+   switch(c)
+   {
+   	case '*':
+   		matrixmultiplication(A,B);
+   		break;
+   		
+   	case '+':
+   		matrixaddition(A,B);
+   		break;
+   		
+   	case '-':
+   		matrixsubtraction(A,B);
+   		break;
+   		
+   	case '/':
+   		matrixdivision(A,B);
+   		break;
+   		
+   	default:
+   		cout<<"Invalid operator!!!";
+   		
+   }
+    cout<<"\nDo u want to perform another operation again(y/n)? :";
+     cin>>doagain;
+     }
+   
+   
+}
diff --git a/pointers.cpp b/pointers.cpp
new file mode 100644
index 0000000..32ce12f
--- /dev/null
+++ b/pointers.cpp
@@ -0,0 +1,15 @@
+#include<iostream>
+using namespace std;
+int main()
+{    int h=5; 
+char c='Z';
+	int* v;
+	v=&h;
+	char *b;
+	b=&c;
+	//b=&h; //error1= cannot convert 'int*' to 'char*' in assignment
+     	cout<<"h= "<<h<<endl<<"c= "<<c
+	        <<"\n*v= "<<*v
+		    <<"\n*b= "<<*b<<endl;
+	cout<<"Address of h= "<<v<<"\naddress of c= "<<b;
+	}
diff --git a/prime number.cpp b/prime number.cpp
new file mode 100644
index 0000000..3f5950b
--- /dev/null
+++ b/prime number.cpp	
@@ -0,0 +1,18 @@
+#include<iostream>
+#include<conio.h>
+using namespace std;
+int main()
+{ int y;
+bool a=true;
+cout<<"Enter any number= ";
+cin>>y;
+for (int x=2;x<y;x++){
+if(y%x==0) 
+{
+ a=false;
+cout<<"is not prime bcoz it is divisible by "<<x;
+break;}
+    }
+ if(a==true)cout<<"Is prime.";   
+getch();
+}
diff --git a/reading files.cpp b/reading files.cpp
new file mode 100644
index 0000000..c585b00
--- /dev/null
+++ b/reading files.cpp	
@@ -0,0 +1,45 @@
+#include<iostream>
+#include<fstream>
+using namespace std;
+int main()
+{
+	ifstream reading("C:/Users/zohaib hassan/Desktop/tuesday/filing/zhs.txt");
+	char data[200];
+	while(!reading.eof())                 //or while(reading
+	{
+		reading.getline(data,200);
+		cout<<data;
+	}
+	
+}
+/* line by line reading:
+ string line;
+ while(getline(reading,line));
+ or
+ //or while(reading
+ 
+ or
+ 	reading.read(data,200);
+ 	reading.getline(data,sizeof(data);
+	 */
+	 
+	 
+	 /*
+	 word by word searching:
+	 
+	 string word;
+	 ifstream readiing("D:....")
+	 while(reading>>word)
+	 {
+	 if(word=="stored")
+	 { 
+	 cout<<word<<endl;  
+	 break;
+	 }
+     }
+	 
+	 reading.good()      //good returns 1 when file is not ended and 0 when file is ended;
+	 
+	 
+	 
+	  */
diff --git a/switch statement.cpp b/switch statement.cpp
new file mode 100644
index 0000000..dbab780
--- /dev/null
+++ b/switch statement.cpp	
@@ -0,0 +1,23 @@
+#include<iostream>
+using namespace std;
+int main()
+{ int a;
+cout<<"enter any integer =";
+cin>>a;
+ switch(a)
+ {   case 60:
+     case 50:       
+//	  if cases r not identified in input then default will be executed.
+     case 40: 
+	 cout<<"A grade";
+	 break;
+	 case 30:
+	 case 20:
+	 	cout<<"D grade.";
+	 	break;
+	 default:
+	 cout<<"Any other grade than \"A\" or \"D\"";
+	 }
+     
+     
+ }
diff --git a/time conversion.cpp b/time conversion.cpp
new file mode 100644
index 0000000..ef88c94
--- /dev/null
+++ b/time conversion.cpp	
@@ -0,0 +1,14 @@
+#include<iostream>
+#include<conio.h>
+using namespace std;
+int main()
+{ int hours,secs,mins;
+cout<<"Enter no of hours= ";
+cin>>hours;
+mins=hours*60;
+cout<<"Mins in given hours= "<<mins<<endl;
+secs=mins*60;
+cout<<"Seconds in given hours= "<<secs<<endl;
+
+getch();
+}
diff --git a/turnory operator.cpp b/turnory operator.cpp
new file mode 100644
index 0000000..00e26cd
--- /dev/null
+++ b/turnory operator.cpp	
@@ -0,0 +1,12 @@
+#include<iostream>
+#include<conio.h>
+using namespace std;
+int main()
+    //turnory operator works same as if else does but the difference is 
+    //that if else is a control structure and this is an operator and it 
+    //works on three operands i.e the condition, true statement and the false statement simultaneously.
+  { int x;
+  cout<<"Enter an number= ";
+  cin>>x;
+  (x<=9)? cout<<"It is a singe digit.":cout<<"It is not a single digit.";
+	}