catching up with past lecture examples

mistakes1.cpp

@@ -0,0 +1,28 @@
+#include <iostream>
+using namespace std;
+
+int main(){
+  int num = 0;
+
+  cout << "Enter an integer" << endl;
+  cin >> num;
+
+  //while(num = 1){
+  //  cout << "Enter a non-one number: ";
+
+  //  cin >> num;
+  //}
+
+  //cout << "What does assignment return?: " << (num = 10) << endl;
+
+  if(num == 0 && true){
+    cout << "Print true" << endl;
+  }
+  else {
+    cout << "Print false" << endl;
+  }
+  
+  cout << "You got out" << endl;
+  return 0;
+  
+}

nestedfor.cpp

@@ -0,0 +1,17 @@
+#include <iostream>
+using namespace std;
+
+int main(){
+  int count = 0;
+  for(int i=0; i < 8; i++){
+    for(int j=0; j < 9; j++){
+      for(int k=0; k < 10; k++){
+        count = count + 1;
+      }
+    }
+  }
+
+  cout << "Loops ran: " << count << " times" << endl;
+  
+  return 0;
+}

switch2.cpp

@@ -0,0 +1,40 @@
+#include <iostream>
+using namespace std;
+
+int main(){
+  char opt;
+  cout << "Welcome: type an option and hit enter to proceed" << endl;
+
+  double grade = 3.2;
+  string studentID = "ccl1234";
+  bool hasBribed = true;
+  
+  cout << "(a)" << "Check grade " << endl;
+  cout << "(b)" << "Student ID" << endl;
+  cout << "(c)" << "Has Bribed Professor" << endl;
+
+  cin >> opt;
+
+  switch(opt){
+    case 'a':
+     cout << "Your grade is: " << grade << endl;
+     break;
+    case 'b':
+     cout << "Your student ID is: " << studentID << endl;
+     break;
+    case 'c':
+     cout << "Have you gamed the system?: ";
+     if(hasBribed){
+      cout << "The scandal of it all" << endl;  
+     }
+     else{
+      cout << "You have regained humanity" << endl;
+     }
+     break;
+    default:
+     cout << "Sorry I didn't understand that" << endl;
+  }
+  
+  return 0;
+  
+}

switchLoop.cpp

@@ -0,0 +1,26 @@
+#include <iostream>
+using namespace std;
+
+int main(){
+  char option;
+
+  cout << "Enter any letter (but q exits)" << endl;
+  cin >> option;
+
+  while(option != 'q'){
+    switch(option){
+      case 'a':
+       cout << "You pressed a" << endl;
+       break;
+      case 'b':
+       cout << "Bee is a bug" << endl;
+       break;
+      default:
+       cout << "That's a nice letter too" << endl;
+    }
+    cout << "Enter any letter (but q exits)" << endl;
+    cin >> option;
+  }
+
+  return 0;
+}

switchswitch.cpp

@@ -0,0 +1,42 @@
+#include <iostream>
+using namespace std;
+
+int main(){
+
+  char option;
+  char option2;
+
+  cout << "Enter a letter: ";
+  cin >> option;
+  cout << "Enter another: ";
+  cin >> option2;
+  
+  switch(option){
+    case 'a':
+     switch(option2){
+       case 'a':
+        cout << "aaaaaaaa" << endl;
+        break;
+       case 'b':
+        cout << "bbbbbbbb" << endl;
+        break;
+       default:
+        cout << "I don't know what that means" << endl;
+        break;
+     }
+     //break;
+    case 'b':
+     switch(option2){
+       case 'c':
+        cout << "ccccccc" << endl;
+        break;
+       default:
+        cout << "Nope" << endl;
+     }
+     break;
+    default: 
+     cout << "Why" << endl;
+  }
+
+  return 0;
+}