diff --git a/others/spiral_print.cpp b/others/spiral_print.cpp
index e6e6899ef..02dc3183a 100644
--- a/others/spiral_print.cpp
+++ b/others/spiral_print.cpp
@@ -1,78 +1,81 @@
+/**
+ * @file
+ * @brief Print the elements of a matrix traversing it spirally
+ */
 #include <iostream>
-using namespace std;
-
-void genArray(int a[][10], int r, int c)
-{
 
+/** Arrange sequence of numbers from '1' in a matrix form
+ * \param [out] a matrix to fill
+ * \param [in] r number of rows
+ * \param [in] c number of columns
+ */
+void genArray(int **a, int r, int c) {
     int value = 1;
-    for (int i = 0; i < r; i++)
-    {
-        for (int j = 0; j < c; j++)
-        {
+    for (int i = 0; i < r; i++) {
+        for (int j = 0; j < c; j++) {
             a[i][j] = value;
-            cout << a[i][j] << " ";
+            std::cout << a[i][j] << " ";
             value++;
         }
-        cout << endl;
+        std::cout << std::endl;
     }
 }
-void spiralPrint(int a[][10], int r, int c)
-{
 
+/** Traverse the matrix spirally and print the sequence of elements
+ * \param [in] a matrix to read from
+ * \param [in] r number of rows
+ * \param [in] c number of columns
+ */
+void spiralPrint(int **a, int r, int c) {
     int startRow = 0, endRow = r - 1;
     int startCol = 0, endCol = c - 1;
     int cnt = 0;
 
-    while (startRow <= endRow && startCol <= endCol)
-    {
-
-        ///Print start row
-        for (int i = startCol; i <= endCol; i++, cnt++)
-        {
-            cout << a[startRow][i] << " ";
+    while (startRow <= endRow && startCol <= endCol) {
+        /// Print start row
+        for (int i = startCol; i <= endCol; i++, cnt++) {
+            std::cout << a[startRow][i] << " ";
         }
         startRow++;
 
-        ///Print the end col
-        for (int i = startRow; i <= endRow; i++, cnt++)
-        {
-            cout << a[i][endCol] << " ";
+        /// Print the end col
+        for (int i = startRow; i <= endRow; i++, cnt++) {
+            std::cout << a[i][endCol] << " ";
         }
         endCol--;
 
-        ///Print the end row
-        if (cnt == r * c)
-        {
+        /// Print the end row
+        if (cnt == r * c) {
             break;
         }
 
-        for (int i = endCol; i >= startCol; i--, cnt++)
-        {
-            cout << a[endRow][i] << " ";
+        for (int i = endCol; i >= startCol; i--, cnt++) {
+            std::cout << a[endRow][i] << " ";
         }
         endRow--;
 
-        ///Print the start Col
-        if (cnt == r * c)
-        {
+        /// Print the start Col
+        if (cnt == r * c) {
             break;
         }
-        for (int i = endRow; i >= startRow; i--, cnt++)
-        {
-            cout << a[i][startCol] << " ";
+        for (int i = endRow; i >= startRow; i--, cnt++) {
+            std::cout << a[i][startCol] << " ";
         }
         startCol++;
     }
 }
 
-int main()
-{
-    int a[10][10];
-
+/** main function */
+int main() {
     int r, c;
-    cin >> r >> c;
+    std::cin >> r >> c;
+    int **a = new int *[r];
+    for (int i = 0; i < r; i++) a[i] = new int[c];
+
     genArray(a, r, c);
     spiralPrint(a, r, c);
 
+    for (int i = 0; i < r; i++) delete[] a[i];
+    delete[] a;
     return 0;
 }