w2 q1

main.cpp

@@ -1,33 +1,63 @@
 #include <iostream>
-#include <cstdlib>
-#include <ctime>
+#include <vector>
+#include <algorithm>
+#include <iomanip>
 
-int main()
-{
-    using std::cout;
-    using std::cin;
-    srand(time(nullptr));
-    int gcount{ 1 };
-    int n { 20 };
-    int secret { rand()%n + 1 };
-    cout << "Guess a number between 1 and " << n << ": ";
-    int guess;
-    cin >> guess;
-    while (guess != secret)
-    {
-        if (guess > secret)
-        {
-            cout << "Number too big ; ";
-        }
-        else
-        {
-            cout << "Number too small ; ";
-        }
-        gcount++;
-        cout << "Guess again: ";
-        cin >> guess;
-    }
-    cout << "Correct!\n";
-    cout << "Took " << gcount << " tries.\n";
-    return 0;
+using string = std::string;
+
+//Placw in header!
+template <typename T>
+void printm(T m){
+  std::cout << m;
 }
+
+template <typename T>
+void printlm(T m){
+  printm(m);
+  printm("\n");
+}
+
+typedef std::vector<double>::size_type vtype;
+
+double promptd(string,bool*);
+
+int main() {
+  std::setprecision(3);
+  printlm("Calculate median and average from sequence:");
+  std::vector<double> v{};
+  bool s {};
+  do {
+    auto d = promptd("Enter a number (Enter non-number to complete entry) : ",&s);
+    if (s) v.push_back(d);
+  }
+  while(s);
+  sort(v.begin(), v.end());
+  printm("The count is: ");
+  printlm(static_cast<int>(v.size()));
+  printm("The median is: ");
+  int halfway {static_cast<int>(v.size()) / 2};
+  if (static_cast<int>(v.size())%2 == 1)
+    printlm(v.at(static_cast<vtype>(halfway)));
+  else
+    printlm((v.at(static_cast<vtype>(halfway - 1)) + v.at(static_cast<vtype>(halfway))) / 2.0);
+  double avg {};
+  for (vtype i = 0; i < v.size(); ++i) avg += v.at(i);
+  avg /= static_cast<int>(v.size());
+  printm("The average is: ");
+  printlm(avg);
+  return 0;
+}
+
+double promptd(string message, bool *status) {
+  double tr {};
+  *status = false;
+  std::cout << message;
+  if (!(std::cin >> tr)){
+    std::cin.clear();
+    std::cin.ignore();
+    return 0;
+  }
+  *status = true;
+  return tr;
+}
+