first commit

.gitignore

@@ -0,0 +1,7 @@
+/.vscode
+/Task_1.exe
+/Task_2.exe
+/Task_4.exe
+/Task_5.exe
+/Task_8.exe
+/Task_9.exe

Task_1.cpp

@@ -0,0 +1,53 @@
+// Calculator which can perform basic Arithmetic Operations like addtion,Substraction,Multiplication & Division
+
+#include<iostream>
+using namespace std;
+
+int main()
+{
+      float num1,num2;
+      char op;
+
+      cout<<"Enter two numbers to perform arithmatic operations : ";
+      cin>>num1>>num2;
+   cout<<endl;
+      cout<<"Enter operation to be performed (+,-,*,/) : ";
+      cin>>op;
+      cout<<endl;
+
+      cout<<num1<<" "<<op<<" "<<num2<<" = ";
+
+      switch(op)
+      {
+        // Addition 
+        case '+':
+           cout<<num1+num2;
+           break;
+
+   //   Subtraction 
+            case '-':
+           cout<<num1-num2;
+           break;
+
+  // Multiplication 
+            case '*':
+           cout<<num1*num2;
+           break;
+
+            case '/':
+            if(num2!=0)
+            {
+           cout<<num1/num2;
+
+            }
+            else {
+                cout<<"Undefined";
+            }
+            break;
+
+            default:
+            cout<<"Error ! Operator not Defined";
+      }
+
+    return 0;
+}

Task_2.cpp

@@ -0,0 +1,46 @@
+// Generate a random number between a range [Low,High]
+
+#include<iostream>
+#include<bits/stdc++.h>
+using namespace std;
+
+int main()
+{
+	int n,i=1,number;
+
+  int high;
+  int low;
+  cin>>low>>high;
+
+  cout<<"Lower Limit and Higher limit are : "<<low<< " and "<<high<<endl;
+// using srand() for  generating a different number for each time
+	srand(time(0));
+
+	// Now generating a random number 
+	number=rand()%(high-low+1)+1;
+
+
+	cout<<"Guess a number between high and low case :  ";
+
+	do {
+
+		cin>>n;
+
+		if(number ==n)
+		{
+			cout<<"Congrats you have guessed right number which is  "<<number<<endl;
+			cout<<"Number of turns you have used "<<i;
+			i++;
+			break;
+		}
+
+		else if(number>n){
+			cout<<"Low!! Enter a higher number than previous , Number of turns you used is  "<<i<<endl;
+			i++;
+		}
+		else{
+			cout<<"High ! Enter a lower number than previous ,Number of turns you have used is  "<<i<<endl;
+			i++;
+		}
+	}while(number!=n);
+}

Task_4.cpp

@@ -0,0 +1,17 @@
+// sum of two results after rolling two dices 
+#include<bits/stdc++.h>
+using namespace std;
+
+int main()
+{
+   srand(time(0)); // to generate a different random  number each time
+   int  Result1=rand()%6+1; // first number after rolling dice1 between [1,6]
+
+    int Result2=rand()%6+1; // second number after rolling dice2 between [1,6]
+
+  cout<<"Result After rolling first Dice : "<<Result1<<endl;
+  cout<<"Result After rolling second Dice : "<<Result2<<endl;
+
+
+   return 0;
+}

Task_5.cpp

@@ -0,0 +1,36 @@
+// Temprature Convertor between Celsius and Fahrenheit
+
+#include<iostream>
+using namespace std;
+
+int main()
+{
+     float Tempratue ;
+
+     cout<<"EnterTemprature : ";
+     cin>>Tempratue;
+
+
+     char Unit ;
+     cout<<"Enter Unit of Temprature (Celsius/Fahrenheit) : ";
+     cin>>Unit;
+     cout<<endl;
+
+   cout<<"Temprature "<<Unit<<"is : "<<Tempratue<<" ( "<<Unit<<" ) "<<endl;
+
+  switch(Unit)
+  {
+    case 'C':
+    cout<<"Tempreture in Fahrenheit is : "<< ((9.0/5.0)*Tempratue+32.0);
+    break;
+
+    case 'F':
+    cout<<"Temprature in Celsius is : ";
+    cout<< (Tempratue-32.0)*(5.0/9.0);
+    break;
+
+    default:
+    cout<<"You have Entered undefined conversion unit ";
+  }
+    return 0;
+}

Task_8.cpp

@@ -0,0 +1,26 @@
+#include<iostream>
+using namespace std;
+
+void BinaryToDecimal( int binary)
+{
+     int b=binary;
+     int ans=0;
+   while(b!=0)
+   {
+     int p=1;
+   int r=b%10;
+   //int d=0;
+   ans+=r*p;
+   p*=2;
+   b/=10;
+
+   }
+   cout<<binary<<"="<<ans;
+}
+int main()
+{
+     int b;
+    cin>>b;
+    BinaryToDecimal(b);
+    return 0;
+}

Task_9.cpp

@@ -0,0 +1,26 @@
+// A program to generate a random password of userdefined length
+
+#include <iostream>
+#include<cstdlib>
+#include<ctime>
+using namespace std;
+const char Domain[] = "0123456789!@#$%^&*abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
+int length = sizeof(Domain)-1;// length of our domain string 
+int main()
+{
+    int n; // length of our password
+    cout<<"Enter the length of password:";
+    cin>>n;
+    srand(time(0));   //to generate new character every time 
+
+    if(n==0) // if no length is given 
+    {
+        cout<<"Please enter a minimum length of password ,it can't be empty !!!";
+    }
+    else{
+    cout<<"Your password is : ";
+    for(int i = 0; i < n; i++)
+    cout << Domain[rand() % length]; // rand() to generate a random character from our domain character array
+    } 
+   return 0;
+}