error

Author: Simranjit kaur

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

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+// Autor : Nemonet TYP
+// Title: Encryption and Decryption project in C++
+// 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] != '\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;
+}