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  1. Prepare
  2. Algorithms
  3. Implementation
  4. Encryption
  5. Discussions

Encryption

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1503 Discussions

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  • liuliming_kz
     + 0 comments

    def encryption(s): clean_s = s.replace(' ', '') row, col = math.floor(math.sqrt(len(clean_s))), math.ceil(math.sqrt(len(clean_s))) rst =[''] * col for i in range(len(clean_s)): rst[i%col] += clean_s[i] return ' '.join(rst )

  • faixz
     + 0 comments
    def encryption(s):
    # Write your code here
    s = s.replace(" ", "")
    n = len(s)
    st = []
    # rows = math.floor(math.sqrt(n))
    columns = math.ceil(math.sqrt(n))
    
    #  constraint given
    # if rows * columns < n:
    #     rows = columns
    
    for i in range(columns):
        temp = ''
        for j in range(i, n, columns):
            temp += s[j]
        st.append(temp)
    
    return " ".join(st)

  • mohammed_abrar_1
     + 0 comments

    import java.io.; import java.util.; import java.util.stream.*;

    class Result {

    /*
 * Complete the 'encryption' function below.
 *
 * The function is expected to return a STRING.
 * The function accepts STRING s as parameter.
 */

public static String encryption(String s) {
    // Remove spaces
    s = s.replaceAll("\\s", "");
    int len = s.length();

    // Calculate rows and columns
    int rows = (int) Math.floor(Math.sqrt(len));
    int cols = (int) Math.ceil(Math.sqrt(len));
    if (rows * cols < len) {
        rows++;
    }

    // Build the encrypted string
    StringBuilder encrypted = new StringBuilder();
    for (int c = 0; c < cols; c++) {
        for (int r = 0; r < rows; r++) {
            int index = r * cols + c;
            if (index < len) {
                encrypted.append(s.charAt(index));
            }
        }
        encrypted.append(" ");
    }

    return encrypted.toString().trim();
}

    }

    public class Solution { public static void main(String[] args) throws IOException { BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in)); BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(System.getenv("OUTPUT_PATH")));

        String s = bufferedReader.readLine();

    String result = Result.encryption(s);

    bufferedWriter.write(result);
    bufferedWriter.newLine();

    bufferedReader.close();
    bufferedWriter.close();
}

    }

  • quote_unquote
     + 0 comments
    def encryption(s):
    # Write your code here
    n = len(s)
    x = math.sqrt(n)
    # nr = math.floor(1x)
    nc = math.ceil(x)
    # print(n, nc)

    i = 0
    j = 0
    q = []
    for _ in range(n):
        if i+j > n-1:
            q.append(' ')
            j += 1
            i = 0
        q.append(s[i+j])
        i += nc
        
    return ''.join(q)

  • afzal_saiyed931
     + 0 comments
    def encryption(s):
    s = s.replace(" ", "")
    l = len(s)
    sqrt = math.sqrt(l)
    cols = math.ceil(sqrt)
    rows = math.floor(sqrt)
    if rows * cols < l:
        rows = cols
        
    split_str = []
    for i in range(0, l, cols):
        split_str.append(s[i: i+cols])
    
    return_str = ""
    rows_count = 0
    cols_count = 0
    while cols_count < cols:
        while rows_count < rows and cols_count < len(split_str[rows_count]):
            return_str += split_str[rows_count][cols_count]
            rows_count += 1
        rows_count = 0
        return_str += " "
        cols_count += 1
        
    return return_str