Update project file.

CppTutorial.cbp

@@ -33,6 +33,8 @@
 			<Add option="-fexceptions" />
 		</Compiler>
 		<Unit filename="main.cpp" />
+		<Unit filename="stats.cpp" />
+		<Unit filename="stats.h" />
 		<Extensions />
 	</Project>
 </CodeBlocks_project_file>

main.cpp

@@ -1,33 +1,63 @@
 #include <iostream>
-#include <cstdlib>
+#include <vector>
-#include <ctime>
+#include <iomanip>
+#include "stats.h"
+
+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()
 {
-    using std::cout;
+    std::setprecision(3);
-    using std::cin;
+    printlm("Calculate the average and median of scores:");
-    srand(time(nullptr));
+    bool s {};
-    int gcount{ 1 };
+    std::vector<double> v {};
-    int n { 20 };
+    do
-    int secret { rand()%n + 1 };
-    cout << "Guess a number between 1 and " << n << ": ";
-    int guess;
-    cin >> guess;
-    while (guess != secret)
     {
-        if (guess > secret)
+        auto d = promptd("Enter a score (Enter a non number to finish entry) : ",&s);
-        {
+        if (s) v.push_back(d);
-            cout << "Number too big ; ";
     }
-        else
+    while(s);
-        {
+    printm("Score median is: ");
-            cout << "Number too small ; ";
+    printlm(med(v, false));
-        }
+    printm("Score median (No Extremes) is: ");
-        gcount++;
+    printlm(med(v, true));
-        cout << "Guess again: ";
+    printm("Score average is: ");
-        cin >> guess;
+    printlm(avg(v, false));
-    }
+    printm("Score average (No Extremes) is: ");
-    cout << "Correct!\n";
+    printlm(avg(v, true));
-    cout << "Took " << gcount << " tries.\n";
     return 0;
 }
+
+double promptd(string message, bool *status)
+{
+    double tr {0.0};
+    *status = false;
+    std::cout << message;
+    if (!(std::cin >> tr))
+    {
+        std::cin.clear();
+        std::cin.ignore();
+        return 0.0;
+    }
+    *status = true;
+    return tr;
+}
+

stats.cpp

@@ -0,0 +1,21 @@
+#include "stats.h"
+#include <vector>
+#include <algorithm>
+
+double med(std::vector<double> &scores,bool ignoreExtremes) {
+    const auto len = scores.size() - (ignoreExtremes && scores.size() > 2) ? 2 : 0;
+    sort(scores.begin(), scores.end());
+    using vec_size = std::vector<double>::size_type;
+    const vec_size middle = (vec_size) (len / 2);
+    if (middle%2 == 1)
+        return scores[middle];
+    else
+        return (scores[middle - 1] + scores[middle]) / 2.0;
+}
+
+double avg(const std::vector<double> &scores,bool ignoreExtremes) {
+    auto sum = 0.0;
+    using vec_size = std::vector<double>::size_type;
+    for (vec_size i = (ignoreExtremes && scores.size() > 2) ? 1 : 0; i < scores.size() - (ignoreExtremes && scores.size() > 2) ? 1 : 0; i++) sum += scores[i];
+    return sum / static_cast<double>(scores.size() - (ignoreExtremes && scores.size() > 2) ? 2 : 0);
+}

stats.h

@@ -0,0 +1,9 @@
+#ifndef STATS_H_INCLUDED
+#define STATS_H_INCLUDED
+
+#include <vector>
+
+double med(std::vector<double> &scores,bool ignoreExtremes);
+double avg(const std::vector<double> &scores,bool ignoreExtremes);
+
+#endif // STATS_H_INCLUDED