From 986e3aa56c96097bb6993e48859ea6540e9ad7cc Mon Sep 17 00:00:00 2001
From: Michael Abed <michaelabed@gmail.com>
Date: Sun, 12 Feb 2012 15:20:36 -0500
Subject: Comment things and add headings

---
 Q1.cpp | 16 ++++++++++++----
 Q2.cpp | 18 ++++++++++++++----
 Q3.cpp |  7 +++++++
 3 files changed, 33 insertions(+), 8 deletions(-)

diff --git a/Q1.cpp b/Q1.cpp
index 0e26609..5736094 100644
--- a/Q1.cpp
+++ b/Q1.cpp
@@ -1,3 +1,10 @@
+/*
+ * Michael Abed <mgabed@bu.edu>
+ *
+ * Lab 1 Problem 1
+ *
+ * Compare area of 2 triangles
+ */
 
 #include <iostream>
 
@@ -7,14 +14,15 @@ int main()
     double t1b, t1h, t2b, t2h; // base and height of triangle 1 and 2
     cout << "Enter the information for the first triangle:" << endl;
 
-    do {
+    // make sure valid things are entered
+    do { // triangle 1 base
         cout << "Base: ";
         cin >> t1b;
         if (t1b - (int)t1b != 0 || t1b <= 0)
             cout << "Please enter a positive integer" << endl;
     } while (t1b <= 0 || t1b - (int)t1b != 0);
 
-    do {
+    do { // triangle 1 height
         cout << "Height: ";
         cin >> t1h;
         if (t1h - (int)t1h != 0 || t1h <= 0)
@@ -23,14 +31,14 @@ int main()
 
     cout << "Second Triangle:" << endl;
 
-    do {
+    do { // triangle 2 base
         cout << "Base: ";
         cin >> t2b;
         if (t2b - (int)t2b != 0 || t2b <= 0)
             cout << "Please enter a positive integer" << endl;
     } while (t2b <= 0 || t2b - (int)t2b != 0);
 
-    do {
+    do { // triangle 2 height
         cout << "Height: ";
         cin >> t2h;
         if (t2h - (int)t2h != 0 || t2h <= 0)
diff --git a/Q2.cpp b/Q2.cpp
index 255b7f8..20e8d4a 100644
--- a/Q2.cpp
+++ b/Q2.cpp
@@ -1,3 +1,10 @@
+/*
+ * Michael Abed <mgabed@bu.edu>
+ *
+ * Lab 1 Problem 2
+ *
+ * Convert units between pints, liters, and cups
+ */
 
 #include <iostream>
 
@@ -5,6 +12,8 @@ using namespace std;
 
 int main()
 {
+    // the order here corresponds to the number that gets entered by the user
+    // it's just what needs to be multiplied by to get the corresonding unit
     double conversion[10] = {0.47317, 2, 0.5, 0.23659, 2.1134, 4.2268};
     unsigned short sel;
     double amount;
@@ -16,15 +25,15 @@ int main()
     cout << "Liters to Pints (enter 4)" << endl;
     cout << "Liters to Cups (enter 5)" << endl;
 
-    do {
+    do { // figure out operation
         cout << "?: ";
         cin >> sel;
         if (sel > 5)
             cout << "Enter a number between 0 and 5" << endl;
     } while (sel > 5);
 
-    do {
-        switch (sel) {
+    do { // validate input
+        switch (sel) { // decide how to prompt
             case 0: // fallthrough
             case 1:
                 cout << "Enter the amount in Pints: ";
@@ -44,7 +53,8 @@ int main()
     } while (amount < 0);
 
     double result = conversion[sel] * amount;
-    switch (sel) {
+
+    switch (sel) { // show the output
         case 0:
             cout << amount << " Pints is " << result << " Liters" << endl;
             break;
diff --git a/Q3.cpp b/Q3.cpp
index 17f385a..e8d350c 100644
--- a/Q3.cpp
+++ b/Q3.cpp
@@ -1,3 +1,10 @@
+/*
+ * Michael Abed <mgabed@bu.edu>
+ *
+ * Lab 1 Problem 3
+ *
+ * Calculate hamming distance between 2 decimal numbers
+ */
 
 #include <iostream>
 
-- 
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