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-rw-r--r--Q1.cpp3
-rw-r--r--Q2.cpp3
-rw-r--r--Q3a.cpp18
-rw-r--r--Q3b.cpp10
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;
}