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Author: rudrajit1729

Part 0 - Introduction/Directives_Variables.cpp

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+#include <iostream>
+using namespace std; // Using Directives
+//using std::cout; //only making the particular function available
+
+int main()
+{
+int slices = 5; //Declarration and Initialization
+slices = 10; // Assignment
+cout<<"You have "<<slices<<" slices"<<endl; // Concatenation. cout object of ostream. "<<" operator operates on strings and cout.
+return 0;// Return 0 everything done properly
+}

Part 0 - Introduction/Escape_Sequences.cpp

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+#include<iostream>
+using namespace std;
+int main()
+{
+cout<<"Hello\tThere\n"; // \t for tab spacing \n for new line
+cout<<"Hello\bThere\0 \n"; // \b for backslashing a character \0 for null string
+cout<<"\"Hello\"\v\'There\'\n"; // \" for double quotes \v for vertical tabs \' for single quotes
+
+}

Part 0 - Introduction/User_Input.cpp

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+#include <iostream>
+using namespace std; // Using Directives
+//using std::cout; //only making the particular function available
+
+int main()
+{
+int slices;
+cout<<"How many slices:";
+cin>>slices; // cin instance of istream. Takes input from console 
+cout<<"You have "<<slices<<" slices"<<endl; 
+return 0;
+}

Part 0 - Introduction/helloworld.cpp

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+#include<iostream>
+int main()// main function
+{
+std::cout<<"Hello ";
+std::cout<<"World\n";
+std::cout<<"Welcome to c++ programming"<<std::endl;
+return 0;
+}