Update main.cpp

Author: The-Young-Programmer

Projects/C++ Projects/Basic/Encryption and Decryption of Text/main.cpp

@@ -3,43 +3,43 @@
 // PROJECT FOR C/C++ PROGRAMMING TUTORIAL
 
 
-#include <iostream>  
- using namespace std;  
-
-  int main()  
-  {  
-    int i, x;  
-    char str[100];  
-    
-    cout << "Please enter a string\t";  
-    cin >> str;  
-    
-    cout << "nPlease choose following options\n";  
-    cout << "1 = Encrypt the string\n";  
-    cout << "2 = Decrypt the string\n";  
-    cin >> x;  
-    
-    //using switch case statements  
-    switch(x)  
-    {  
-     //first case for encrypting a string  
-     case 1:  
-       for(i = 0; (i < 100 && str[i] != ' '); i++)  
-        str[i] = str[i] + 2; //the key for encryption is 3 that is added to ASCII value  
-    
-       cout << "\nEncrypted string: " << str << endl;  
-       break;  
-    
-     //second case for decrypting a string  
-     case 2:  
-       for(i = 0; (i < 100 && str[i] != ' '); i++)  
-       str[i] = str[i] - 2; //the key for encryption is 3 that is subtracted to ASCII value  
-    
-     cout << "\nDecrypted string: " << str << endl;  
-     break;  
-    
-     default:  
-       cout << "n\Invalid Input !!!\n";  
-    }  
-    return 0;  
-  }  
+#include <iostream>
+using namespace std;
+
+int main()
+{
+   int i, x;
+   char str[100];
+
+   cout << "Please enter a string:\t";
+   cin >> str;
+
+   cout << "\nPlease choose following options:\n";
+   cout << "1 = Encrypt the string.\n";
+   cout << "2 = Decrypt the string.\n";
+   cin >> x;
+
+   //using switch case statements
+   switch(x)
+   {
+      //first case for encrypting a string
+      case 1:
+         for(i = 0; (i < 100 && str[i] != '\0'); i++)
+            str[i] = str[i] + 2; //the key for encryption is 3 that is added to ASCII value
+
+         cout << "\nEncrypted string: " << str << endl;
+         break;
+
+      //second case for decrypting a string
+      case 2:
+         for(i = 0; (i < 100 && str[i] != '\0'); i++)
+         str[i] = str[i] - 2; //the key for encryption is 3 that is subtracted to ASCII value
+
+      cout << "\nDecrypted string: " << str << endl;
+      break;
+
+      default:
+         cout << "\nInvalid Input !!!\n";
+   }
+   return 0;
+}