Spiral Matrix

Program's_Contributed_By_Contributors/C++/spiralMatrix.cpp

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+class Solution {
+public:
+    vector<int> spiralOrder(vector<vector<int>>& matrix) {
+
+    vector<int> ans;
+    int row = matrix.size(); //?
+    int col = matrix[0].size();
+
+    // These are indexes--->
+    int startingRow = 0;
+    int endingCol = col - 1;
+    int endingRow = row - 1;
+    int startingCol = 0;
+
+    int count = 0;
+    int total = row * col;
+    while (count < total)
+    {
+        // Printing Starting row:
+        for (int index = startingCol; count < total && index <= endingCol; index++)
+        {
+            ans.push_back(matrix[startingRow][index]);
+            count++;
+        }
+        startingRow++;
+
+        // Printing ending column:
+        for (int index = startingRow; count < total && index <= endingRow; index++)
+        {
+            ans.push_back(matrix[index][endingCol]);
+            count++;
+        }
+        endingCol--;
+
+        // Printing ending row:
+        for (int index = endingCol; count < total && index >= startingCol; index--)
+        {
+            ans.push_back(matrix[endingRow][index]);
+            count++;
+        }
+        endingRow--;
+
+        // Printing starting column:
+        for (int index = endingRow; count < total && index >= startingRow; index--)
+        {
+            ans.push_back(matrix[index][startingCol]);
+            count++;
+        }
+        startingCol++;
+    }
+
+    return ans;  
+    }
+};