4 files changed, 9 insertions, 25 deletions

diff --git a/Q1.cpp b/Q1.cpp
index 6b23316..31e57b6 100644
--- a/Q1.cpp
+++ b/Q1.cpp
@@ -10,7 +10,7 @@ int main()
     double input;
     double sq, mysq;
 
-    do { // 
+    do {
         cout << "Enter a number (negative to quit)" << endl;
         cout << ">> ";
         cin >> input;
@@ -21,7 +21,6 @@ int main()
             cout << "sqrt("   << input << ") = " << sq << endl;
             cout << "sqrt and mysqrt differ by " << abs(sq - mysq) << endl;
         }
-
     } while (input >= 0);
     
     return 0;
diff --git a/Q2.cpp b/Q2.cpp
index 30fd0a9..e1106a7 100644
--- a/Q2.cpp
+++ b/Q2.cpp
@@ -15,8 +15,7 @@ int main(int argc, const char *argv[])
     cout << ">> ";
     cin >> input;
 
-    if (argc > 1)
-        write_data(input, 1000, 500);
+    write_data(input, 1000, 500);
 
     mean = get_mean(input);
     min = get_minimum(input);
diff --git a/Q3a.cpp b/Q3a.cpp
index cbe9023..09bbf0d 100644
--- a/Q3a.cpp
+++ b/Q3a.cpp
@@ -8,7 +8,7 @@ int gcd(int m, int n);
 int gcd(int m, int n)
 {
     if (m <= 0 || n <= 0)
-        return 0;
+        return 0; // invalid
 
     if (m % n == 0)
         return n;
@@ -18,19 +18,7 @@ int gcd(int m, int n)
 
 int main(int argc, const char *argv[])
 {
-    int m, n;
-    int result;
-    cout << "Enter 2 numbers to calculate the greatest common divisor (0 to quit)" << endl;
-    do {
-        cout << ">> ";
-        cin >> m >> n;
-        if (m <= 0 || n <= 0) {
-            cout << "Please input positive numbers (0 to quit)" << endl;
-        } else {
-            result = gcd(m, n);
-            cout << "gcd(" << m << ", " << n << ") = " << result << endl;
-        }
-    } while (m != 0 || n != 0);
-
+    cout << "gcd(24,16) = " << gcd(24,16) << endl;
+    cout << "gcd(255, 25) = " << gcd(255,25) << endl;
     return 0;
 }
diff --git a/Q3b.cpp b/Q3b.cpp
index 08676c8..55efa7e 100644
--- a/Q3b.cpp
+++ b/Q3b.cpp
@@ -15,15 +15,13 @@ double series(int n)
 
 int main(int argc, const char *argv[])
 {
-    int x;
-    cout << "enter a number to see the sum of the series (0 to quit)" << endl;
+    long x;
+    cout << "enter a number to see the sum of the series (negative to quit)" << endl;
     do {
         cout << ">> ";
         cin >> x;
-        if (x <= 0)
-            cout << "Please enter a positive number (0 to quit)" << endl;
-        else
+        if (x >= 0)
             cout << "series(" << x << ") = " << series(x) << endl;
-    } while (x != 0);
+    } while (x >= 0);
     return 0;
 }