From 78acaf3290d0a051c8034b496697bb2ab4436abf Mon Sep 17 00:00:00 2001
From: Captain ALM <captainalm@captainalm.com>
Date: Fri, 7 Oct 2022 10:00:16 +0100
Subject: [PATCH 1/9] Fix for C++ 17 -> 11

---
 main.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/main.cpp b/main.cpp
index 0d73854..848c531 100644
--- a/main.cpp
+++ b/main.cpp
@@ -11,7 +11,7 @@ string guessRank(int);
 int main()
 {
     std::mt19937 rand {std::random_device{}()};
-    std::uniform_int_distribution clamp {1, 100};
+    std::uniform_int_distribution<int> clamp {1, 100};
     string name {promptfs("Enter your name:")};
     std::cout << "Hello " << name << ", welcome to guess the number.\n";
     int guesses {};

From 3d2827578e9551cfd51991271030af3f11abe4cb Mon Sep 17 00:00:00 2001
From: Captain ALM <captainalm@captainalm.com>
Date: Fri, 7 Oct 2022 12:10:31 +0100
Subject: [PATCH 2/9] Tutorial 1. Question 1.

---
 main.cpp | 106 ++++++-------------------------------------------------
 1 file changed, 10 insertions(+), 96 deletions(-)

diff --git a/main.cpp b/main.cpp
index 848c531..bf50347 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,101 +1,15 @@
 #include <iostream>
-#include <random>
-#include <chrono>
 
 using string = std::string;
-void ignoreTillLineEnd();
-string promptfs(string);
-int promptfi(string);
-string guessRank(int);
 
-int main()
-{
-    std::mt19937 rand {std::random_device{}()};
-    std::uniform_int_distribution<int> clamp {1, 100};
-    string name {promptfs("Enter your name:")};
-    std::cout << "Hello " << name << ", welcome to guess the number.\n";
-    int guesses {};
-    int num {clamp(rand)}, ent {};
-    do {
-        if (guesses++ > 0) {
-            if (ent > num)
-                std::cout << "You Guessed Too High!\n";
-            else
-                std::cout << "You Guessed Too Low!\n";
-        }
-        ent = promptfi("Enter your guess:");
-    }
-    while (num != ent);
-    std::cout << "Well done " << name << ", you guessed correctly!\n";
-    std::cout << "You took " << guesses << " guesses, rank " << guessRank(guesses) << " .\n";
-    return 0;
-}
-
-void ignoreTillLineEnd() {
-    std::cin.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
-}
-
-string promptfs(string msg) {
-    bool once {};
-    string toret {};
-    do {
-        if (once) {
-            std::cin.clear();
-            ignoreTillLineEnd();
-            std::cout << "Input Failure!\n";
-        }
-        std::cout << msg << "\n";
-        std::cin >> toret;
-        once = true;
-    }
-    while (std::cin.fail());
-    ignoreTillLineEnd();
-    return toret;
-}
-
-int promptfi(string msg) {
-    bool once {};
-    int toret {};
-    do {
-        if (once) {
-            std::cin.clear();
-            ignoreTillLineEnd();
-            std::cout << "Input Failure!\n";
-        }
-        std::cout << msg << "\n";
-        std::cin >> toret;
-        once = true;
-    }
-    while (std::cin.fail());
-    ignoreTillLineEnd();
-    return toret;
-}
-
-string guessRank(int g) {
-    switch (g) {
-    case 0:
-        return "U";
-    case 1:
-        return "A^";
-    case 2:
-        return "A*";
-    case 3:
-        return "A";
-    case 4:
-    case 5:
-        return "B";
-    case 6:
-    case 7:
-        return "C";
-    case 8:
-    case 9:
-    case 10:
-        return "D";
-    case 11:
-    case 12:
-    case 13:
-        return "E";
-    default:
-        return "F";
-    }
+int main() {
+    std::cout << "Enter your age:\n";
+    int age {0};
+    std::cin >> age;
+    if (age < 18)
+        std::cout << age << " is too young.\n";
+    else if (age > 30)
+        std::cout << age << " is too old.\n";
+    else
+        std::cout << age << " is the right age.\n";
 }

From a7efeab624f5736185295f00c9f3dc74441d4175 Mon Sep 17 00:00:00 2001
From: Captain ALM <captainalm@captainalm.com>
Date: Fri, 7 Oct 2022 12:18:23 +0100
Subject: [PATCH 3/9] T1 Q2

---
 main.cpp | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/main.cpp b/main.cpp
index bf50347..f25eae8 100644
--- a/main.cpp
+++ b/main.cpp
@@ -3,13 +3,12 @@
 using string = std::string;
 
 int main() {
-    std::cout << "Enter your age:\n";
-    int age {0};
-    std::cin >> age;
-    if (age < 18)
-        std::cout << age << " is too young.\n";
-    else if (age > 30)
-        std::cout << age << " is too old.\n";
-    else
-        std::cout << age << " is the right age.\n";
+    std::cout << "Enter your name:\n";
+    string name;
+    std::cin >> name;
+    std::cout << "Hello, " << name << "!\n";
+    for (int i {0}; i < static_cast<int>(name.size()) + 8; i++) {
+        std::cout << "=";
+    }
+    std::cout << "\n";
 }

From 18c5f972c245eac65a5f7a727e6c912b51e3d5ea Mon Sep 17 00:00:00 2001
From: Captain ALM <captainalm@captainalm.com>
Date: Fri, 7 Oct 2022 12:35:44 +0100
Subject: [PATCH 4/9] T1 Q3

---
 main.cpp | 36 ++++++++++++++++++++++++++----------
 1 file changed, 26 insertions(+), 10 deletions(-)

diff --git a/main.cpp b/main.cpp
index f25eae8..5cb069b 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,14 +1,30 @@
 #include <iostream>
+#include <cstdlib>
+#include <ctime>
 
-using string = std::string;
-
-int main() {
-    std::cout << "Enter your name:\n";
-    string name;
-    std::cin >> name;
-    std::cout << "Hello, " << name << "!\n";
-    for (int i {0}; i < static_cast<int>(name.size()) + 8; i++) {
-        std::cout << "=";
+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;
     }
-    std::cout << "\n";
+    cout << "Correct!\n";
+    cout << "Took " << gcount << " tries.\n";
+    return 0;
 }

From c89e5b4e6c228daebfa691a0ca8cfb1777710edd Mon Sep 17 00:00:00 2001
From: Captain ALM <captainalm@captainalm.com>
Date: Fri, 14 Oct 2022 12:08:17 +0100
Subject: [PATCH 5/9] Formatting.

---
 main.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/main.cpp b/main.cpp
index 5cb069b..2d16d8a 100644
--- a/main.cpp
+++ b/main.cpp
@@ -15,9 +15,12 @@ int main()
     cin >> guess;
     while (guess != secret)
     {
-        if (guess > secret) {
+        if (guess > secret)
+        {
             cout << "Number too big ; ";
-        } else {
+        }
+        else
+        {
             cout << "Number too small ; ";
         }
         gcount++;

From 4c260479dd7f673e90b3c4c50e1205a1de63386e Mon Sep 17 00:00:00 2001
From: Captain ALM <captainalm@captainalm.com>
Date: Fri, 14 Oct 2022 12:34:58 +0100
Subject: [PATCH 6/9] w2 q1

---
 main.cpp | 90 +++++++++++++++++++++++++++++++++++++-------------------
 1 file changed, 60 insertions(+), 30 deletions(-)

diff --git a/main.cpp b/main.cpp
index 2d16d8a..f75ac0e 100644
--- a/main.cpp
+++ b/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;
+}
+

From 453902b44eae51909461df4081f32b905d8ccd7d Mon Sep 17 00:00:00 2001
From: Captain ALM <captainalm@captainalm.com>
Date: Fri, 14 Oct 2022 12:41:10 +0100
Subject: [PATCH 7/9] w2 q2

---
 main.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/main.cpp b/main.cpp
index f75ac0e..35776cd 100644
--- a/main.cpp
+++ b/main.cpp
@@ -41,7 +41,11 @@ int main() {
   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);
+  if (v.size() > 2) {
+    for (vtype i = 1; i < v.size() - 1; ++i) avg += v.at(i);
+  } else {
+    for (vtype i = 0; i < v.size(); ++i) avg += v.at(i);
+  }
   avg /= static_cast<int>(v.size());
   printm("The average is: ");
   printlm(avg);

From 5ca32463d70b650851b26a5c3f066c3e306e5eec Mon Sep 17 00:00:00 2001
From: Captain ALM <captainalm@captainalm.com>
Date: Fri, 21 Oct 2022 12:46:45 +0100
Subject: [PATCH 8/9] w3 q1

---
 main.cpp  | 90 ++++++++++++++++++++++++++-----------------------------
 stats.cpp | 21 +++++++++++++
 stats.h   |  9 ++++++
 3 files changed, 73 insertions(+), 47 deletions(-)
 create mode 100644 stats.cpp
 create mode 100644 stats.h

diff --git a/main.cpp b/main.cpp
index 35776cd..4f3c93d 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,67 +1,63 @@
 #include <iostream>
 #include <vector>
-#include <algorithm>
 #include <iomanip>
+#include "stats.h"
 
 using string = std::string;
 
 //Placw in header!
 template <typename T>
-void printm(T m){
-  std::cout << m;
+void printm(T m)
+{
+    std::cout << m;
 }
 
 template <typename T>
-void printlm(T m){
-  printm(m);
-  printm("\n");
+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 {};
-  if (v.size() > 2) {
-    for (vtype i = 1; i < v.size() - 1; ++i) avg += v.at(i);
-  } else {
-    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();
+int main()
+{
+    std::setprecision(3);
+    printlm("Calculate the average and median of scores:");
+    bool s {};
+    std::vector<double> v {};
+    do
+    {
+        auto d = promptd("Enter a score (Enter a non number to finish entry) : ",&s);
+        if (s) v.push_back(d);
+    }
+    while(s);
+    printm("Score median is: ");
+    printlm(med(v, false));
+    printm("Score median (No Extremes) is: ");
+    printlm(med(v, true));
+    printm("Score average is: ");
+    printlm(avg(v, false));
+    printm("Score average (No Extremes) is: ");
+    printlm(avg(v, true));
     return 0;
-  }
-  *status = true;
-  return tr;
+}
+
+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;
 }
 
diff --git a/stats.cpp b/stats.cpp
new file mode 100644
index 0000000..b526eb3
--- /dev/null
+++ b/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);
+}
diff --git a/stats.h b/stats.h
new file mode 100644
index 0000000..dcc76e9
--- /dev/null
+++ b/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

From f8c0961b3fb0842e41ac7eca155a0a64040e5c08 Mon Sep 17 00:00:00 2001
From: Captain ALM <captainalm@captainalm.com>
Date: Fri, 21 Oct 2022 13:08:46 +0100
Subject: [PATCH 9/9] Update project file.

---
 CppTutorial.cbp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/CppTutorial.cbp b/CppTutorial.cbp
index 2f568c5..cbf7bda 100644
--- a/CppTutorial.cbp
+++ b/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>