From 09066b7cb3b6b9cb88a7458ad9ca0c5669325bbd Mon Sep 17 00:00:00 2001
From: "exercism-solutions-syncer[bot]"
 <211797793+exercism-solutions-syncer[bot]@users.noreply.github.com>
Date: Sun, 21 Jun 2026 21:36:13 +0000
Subject: [PATCH] [Sync Iteration] cpp/crypto-square/1

---
 .../cpp/crypto-square/1/crypto_square.cpp     | 63 +++++++++++++++++++
 solutions/cpp/crypto-square/1/crypto_square.h | 17 +++++
 2 files changed, 80 insertions(+)
 create mode 100644 solutions/cpp/crypto-square/1/crypto_square.cpp
 create mode 100644 solutions/cpp/crypto-square/1/crypto_square.h

diff --git a/solutions/cpp/crypto-square/1/crypto_square.cpp b/solutions/cpp/crypto-square/1/crypto_square.cpp
new file mode 100644
index 0000000..e450961
--- /dev/null
+++ b/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;
+}
+
+}
diff --git a/solutions/cpp/crypto-square/1/crypto_square.h b/solutions/cpp/crypto-square/1/crypto_square.h
new file mode 100644
index 0000000..fd732ba
--- /dev/null
+++ b/solutions/cpp/crypto-square/1/crypto_square.h
@@ -0,0 +1,17 @@
+#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;
+};
+
+}