Module 13: Add Point structure

a.c

@@ -17,6 +17,22 @@ string ToUpper(string s) {
   return s2;
 }
 
+// --------------------------------------------------------------------------------
+//-Point
+struct Point {
+  Point() {}
+  Point(int r, int c) : row(r), col(c) {}
+
+  friend ostream& operator<<(ostream& os, const Point& p);  // overloading the "<<" op
+  int row = 0;  // defaults value for the constructor
+  int col = 0;
+};
+
+ostream& operator<<(ostream& os, const Point& p) {  // for printing
+  os << "(" << p.row << "," << p.col << ")";
+  return os;
+}
+
 // --------------------------------------------------------------------------------
 //-Word
 struct Word {
@@ -78,6 +94,7 @@ public:
   }
   void CreatePatternHash(Word* w) {
     int len = w->len();
+    if (len > 7) return;  // avoid load of long words
     int num_patterns = 1 << len;  // create 2^len patterns
     // cout << "PATTERN HASH on " << w->word << "\n";
     for (int i=0; i<num_patterns; i++) {
@@ -172,8 +189,14 @@ int main() {
   
   lib.FindWord("D--");
 
-  //Grid grid("MY GRID");
-  //grid.LoadFromFile("test");
-  //grid.Check();
-  //grid.Print();
+  Grid grid("MY GRID");
+  grid.LoadFromFile("test");
+  grid.Check();
+  grid.Print();
+
+  Point p1;
+  Point p2(2,1);
+
+  cout << "Point1 is " << p1 << "\n";
+  cout << "Point2 is " << p2 << "\n";
 }