[Sync Iteration] cpp/crypto-square/1

solutions/cpp/crypto-square/1/crypto_square.cpp

@@ -0,0 +1,63 @@
+#include "crypto_square.h"
+#include <cctype>
+#include <cmath>
+
+namespace crypto_square {
+
+// Constructor
+cipher::cipher(const std::string& text) {
+    process_encryption(text);
+}
+
+void cipher::process_encryption(const std::string& text) {
+    // Caso: Si la entrada está vacía
+    if (text.empty()) {
+        m_cipher_text = "";
+        return;
+    }
+
+    // 1. Fase de Normalización
+    std::string normalized = "";
+    for (char c : text) {
+        if (std::isalnum(c)) {
+            normalized += std::tolower(c);
+        }
+    }
+
+    size_t L = normalized.length();
+    if (L == 0) {
+        m_cipher_text = "";
+        return;
+    }
+
+    // 2. Cálculo de Dimensiones de la Matriz Geométrica
+    size_t c = std::ceil(std::sqrt(L));
+    size_t r = (L + c - 1) / c;
+
+    // 3. Relleno (Padding) para un bloque rectangular perfecto
+    size_t perfect_size = c * r;
+    if (normalized.length() < perfect_size) {
+        normalized.append(perfect_size - normalized.length(), ' ');
+    }
+
+    // 4. Transposición y Segmentación por Columnas
+    std::string encoded = "";
+    for (size_t col = 0; col < c; ++col) {
+        for (size_t row = 0; row < r; ++row) {
+            encoded += normalized[row * c + col];
+        }
+
+        if (col < c - 1) {
+            encoded += " ";
+        }
+    }
+
+    m_cipher_text = encoded;
+}
+
+// Getter
+std::string cipher::normalized_cipher_text() const {
+    return m_cipher_text;
+}
+
+}

solutions/cpp/crypto-square/1/crypto_square.h

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+#pragma once
+#include <string>
+
+namespace crypto_square {
+
+class cipher {
+private:
+    std::string m_cipher_text;
+
+    void process_encryption(const std::string& text);
+
+public:
+    explicit cipher(const std::string& text);
+    std::string normalized_cipher_text() const;
+};
+
+}