Added latin squares puzzle, need implementation and cleaning

Author: Boaz Kaufman

puzzles/Latin_Square/latin

@@ -0,0 +1,95 @@
+//a Latin square is an n × n array filled with n different symbols,
+//each occurring exactly once in each row and exactly once in each column
+
+#include <iostream>
+#include <array>
+#include <vector>
+#include <sstream>
+
+using namespace std;
+
+bool check_rows();
+bool check_cols();
+
+int main()
+{
+  int numToAdd = 0;
+  int row; //row to change from user input
+  int col; //column to change from user input
+  string hold = "";
+  int size;
+
+  //get difficulty (n for how large the square is)
+  while (size >= 2)
+  {
+    cout << "Welcome to Latin Squares!  How big do you want the square?" << endl;
+    cin >> hold;
+    stringstream conv(hold);
+    conv >> size;
+  }
+  const int SQUARE_SIZE = size;
+  int square[SQUARE_SIZE][SQUARE_SIZE];
+
+  for (int c = 0; c < SQUARE_SIZE; c++)
+  {
+    for (int r = 0; r < SQUARE_SIZE; r++)
+    {
+      square[r][c] = 0;
+    }
+  }
+
+  while (!check_rows() || !check_cols())
+  {
+    for (int c = 0; c < SQUARE_SIZE; c++)
+    {
+      for (int r = 0; r < SQUARE_SIZE; r++)
+      {
+        cout << square[r][c] << "\t";
+      }
+      cout << endl;
+    }
+
+    while (numToAdd > 0 && numToAdd <= SQUARE_SIZE) //make sure the input is within range
+    {
+    cout << "Enter a number to add to the square:" << endl;
+    cin >> hold;
+    stringstream conv(hold);
+    conv >> numToAdd;
+    }
+
+    while (row > 0 && row <= SQUARE_SIZE)
+    {
+      cout << "Enter the row you want to put it in (first row is 1, second is 2, etc)" << endl;
+      cin >> hold;
+      stringstream conv(hold);
+      conv >>  row;
+    }
+
+    while (col > 0 && col <= SQUARE_SIZE)
+    {
+      cout << "Enter the column you want to put it in (first column is 1, second is 2, etc)" << endl;
+      cin >> hold;
+      stringstream conv(hold);
+      conv >>  col;
+    }
+
+    square[row][col] = numToAdd;
+  }
+
+  cout << "Congrats!  You've solved the square!" << endl;
+  return 0;
+}
+
+bool check_rows()
+{
+  bool allGood = false;
+
+  return allGood;
+}
+
+bool check_cols()
+{
+  bool allGood = false;
+  //to be implemented
+  return allGood;
+}