Codes/Code-A4 (Hamming Code).cpp

@@ -1,103 +0,0 @@
-#include <iostream>
-#include <cmath>
-#include <vector>
-using namespace std;
-
-// Function to calculate the number of parity bits needed
-int calculateParityBits(int dataBits) {
-    int parityBits = 0;
-    while (pow(2, parityBits) < dataBits + parityBits + 1) {
-        parityBits++;
-    }
-    return parityBits;
-}
-
-// Function to encode the data using Hamming code
-vector<int> encodeData(vector<int> data) {
-    int dataBits = data.size();
-    int parityBits = calculateParityBits(dataBits);
-    vector<int> encoded(dataBits + parityBits, 0);
-
-    // Set the data bits
-    int j = 0;
-    for (int i = 0; i < encoded.size(); i++) {
-        if (i + 1 == pow(2, j)) {
-            j++;
-        } else {
-            encoded[i] = data[i - j];
-        }
-    }
-
-    // Calculate and set the parity bits
-    for (int i = 0; i < parityBits; i++) {
-        int parityBit = pow(2, i);
-        int sum = 0;
-        for (int j = parityBit - 1; j < encoded.size(); j += 2 * parityBit) {
-            for (int k = 0; k < parityBit; k++) {
-                if (j + k < encoded.size()) {
-                    sum += encoded[j + k];
-                }
-            }
-        }
-        encoded[parityBit - 1] = sum % 2;
-    }
-
-    return encoded;
-}
-
-// Function to check for errors in the encoded data
-int checkForErrors(vector<int> encoded) {
-    int parityBits = calculateParityBits(encoded.size() - calculateParityBits(encoded.size()));
-    int errorPosition = 0;
-
-    for (int i = 0; i < parityBits; i++) {
-        int parityBit = pow(2, i);
-        int sum = 0;
-        for (int j = parityBit - 1; j < encoded.size(); j += 2 * parityBit) {
-            for (int k = 0; k < parityBit; k++) {
-                if (j + k < encoded.size()) {
-                    sum += encoded[j + k];
-                }
-            }
-        }
-        errorPosition += (sum % 2) * parityBit;
-    }
-
-    return errorPosition;
-}
-
-int main() {
-    int dataBits;
-    cout<<"Enter the number of data bits:\t";
-    cin >> dataBits;
-
-    vector<int> data(dataBits);
-    cout<<endl<<"NOTE: Make sure the bits are entered in binary format, separated by spaces.\nEg. 1 0 0 1 (for 4 data bits).";
-    cout<<endl<<"Enter the data bits:\t";
-    for (int i = 0; i < dataBits; i++) {
-        cin >> data[i];
-    }
-
-    vector<int> encoded = encodeData(data);
-    cout<<endl<<"--------------------"<<endl;
-    cout<<"Encoded bits are:\t";
-    for (int bit : encoded) {
-        cout << bit << " ";
-    }
-    cout<<endl<<"--------------------"<<endl;
-
-    cout<<endl<<"Enter the encoded bits:\t";
-    vector<int> receivedEncoded(encoded.size());
-    for (int i = 0; i < encoded.size(); i++) {
-        cin >> receivedEncoded[i];
-    }
-
-    int errorPosition = checkForErrors(receivedEncoded);
-    if (errorPosition == 0) {
-        cout<<"No errors detected."<<endl;
-    } else {
-        cout<<"Error detected at position: "<<errorPosition<<endl;
-    }
-
-    return 0;
-}

README.md

@@ -25,11 +25,10 @@ This Git repository is a comprehensive resource for the Computer Networks and Se
 > No code or output for assignment A1.
 
 ##### A4 - Error detection and correction using Hamming code and CRC
-- [Code-A4 (CRC)](https://git.kska.io/sppu-te-comp-content/ComputerNetworksAndSecurity/src/branch/main/Codes/Code-A4%20%28CRC%29.cpp)
-- [Code-A4 (Hamming Code)](https://git.kska.io/sppu-te-comp-content/ComputerNetworksAndSecurity/src/branch/main/Codes/Code-A4%20%28Hamming%20Code%29.cpp)
+- [Code-A4](https://git.kska.io/sppu-te-comp-content/ComputerNetworksAndSecurity/src/branch/main/Codes/Code-A4.cpp)
 - [Handout-A4](https://git.kska.io/sppu-te-comp-content/ComputerNetworksAndSecurity/src/branch/main/Handouts/Handout-A4.pdf)
 - [Write-up - A4](https://git.kska.io/sppu-te-comp-content/ComputerNetworksAndSecurity/src/branch/main/Write-ups/Write-up%20-%20A4.pdf)
-- [Output-A4](https://git.kska.io/sppu-te-comp-content/ComputerNetworksAndSecurity/src/branch/main/Printable%20outputs/Output-A4.pdf)
+- [Output-A4] // WORKING ON IT!
 
 ##### A5 - Sliding Window Protocol
 - [Code-A5](https://git.kska.io/sppu-te-comp-content/ComputerNetworksAndSecurity/src/branch/main/Codes/Code-A5%20%28Sliding%20Window%29.cpp)