added comments

Author: avinashdhakne

C++/17_Coordinates_of_a_Point.cpp

@@ -1,31 +1,39 @@
 #include <iostream>
 using namespace std;
- 
+
 int main()
 {
+    // Delcare float variable for x and y co-ordinates and input it
     float x, y;
     cin >> x >> y;
- 
+
+    // If both x and y coordinates are zero then point at on origin
     if (x == 0 && y == 0)
         cout << "Origem";
- 
+
+    // If both x and y coordinates are greater than zero then the point lies in first quadrant
     else if (x > 0 && y > 0)
         cout << "Q1";
- 
+
+    // If the x coordinate is greater than zero and y is less then point lies in fourth quadrant
     else if (x > 0 && y < 0)
         cout << "Q4";
- 
+
+    // If x is coordinate is less than zero and y is greater then point lies in second quadrant
     else if (x < 0 && y > 0)
         cout << "Q2";
- 
+
+    // If both x and y coordinates are less than zero then point lies in third quadrant
     else if (x < 0 && y < 0)
         cout << "Q3";
- 
+
+    // If x coordinate is zero then the point lies on y axis
     else if (x == 0 && y != 0)
         cout << "Eixo Y";
- 
+
+    // If x coordinate is zero then the point lies on y axis
     else if (y == 0 && x != 0)
         cout << "Eixo X";
- 
+
     return 0;
 }