Example that's helpful for assignment 6

cs161BW9/insertingNameInPlace.cpp

@@ -0,0 +1,76 @@
+#include <iostream>
+#include <cstring>
+using namespace std;
+
+const int maxchar = 30;
+const int maxstudents = 25;
+
+
+struct Student{
+  char first[maxchar];
+  char last[maxchar];
+  float gpa;
+};
+
+struct Course{
+  Student roster[maxstudents];
+  int studentCount;
+};
+
+void insertArray(Student s, Student r[], int i, int count){
+  // first we make room in the array
+  for(int j = count; j >= i; j--){
+    r[j+1] = r[j];
+  }
+  r[i] = s;
+}
+
+void addStudent(Student s, Course &c){
+  int i=0;
+  bool found=false;
+  while(i < c.studentCount && !found) {
+    if(strcmp(s.last, c.roster[i].last) > 0){
+      i++;
+    }
+    else{
+      found=true;
+    }
+  }
+  insertArray(s,c.roster, i,c.studentCount);
+  c.studentCount++;
+}
+
+void printCourse(Course c){
+  for(int i =0; i < c.studentCount; i++){
+    cout << c.roster[i].first << ";";
+    cout << c.roster[i].last << ";";
+    cout << c.roster[i].gpa << endl;
+  }
+}
+
+int main(){
+  char temp[maxchar];
+  cout << "Enter a student's first name or type exit to exit" << endl;
+  cin >> temp;
+
+  Course newCourse;
+  newCourse.studentCount = 0;
+
+
+  while(cin && strcmp(temp,"exit") != 0){
+    Student newStudent;
+    strcpy(newStudent.first,temp);
+    cout << "Enter a student's last name" << endl;
+    cin >> temp;
+    strcpy(newStudent.last,temp);
+    cout << "Enter student grade" << endl;
+    cin >> newStudent.gpa;
+
+    addStudent(newStudent, newCourse);
+
+    printCourse(newCourse);
+
+    cout << "Enter a student's first name or type exit to exit" << endl;
+    cin >> temp;
+  }
+}