Notes

#include <iostream>
#include <string>
#include<vector>

std::string addingstudentNumber;
struct student {
std::string sname;
std::string sid;
std::string ssurname;
double cgpa;
int grade;
};
student stdu1,stdu2,stdu3,stdu4,stdu5,stdu6,stdu7,stdu8,stdu9,stdu10;
void printClassList(std::vector<std::string> sclass,std::vector<int> sclassGrade,std::vector<std::string> sclassurname) {
for(int g=0; g<sclassGrade.size(); g++){
std::cout<<g+1<<"- "<<"Name: "<<sclass[g]<<"t";
std::cout<<"Surname: "<<sclassurname[g]<<"t";
std::cout<<"Grade: "<<sclassGrade[g]<<"n";
}
}
void addStudent(std::vector<std::string> sclass,std::vector<int> sclassGrade,std::vector<std::string> sclassurname,std::vector<std::string> sclassid,std::vector<double> sclassCgpa) {
std::string addingstudentName,addingstudentSurname;
int addingstudentGrade;
double addingstudentCGPA;
std::cout<<"Enter the name of a student: "; //name
std::cin>>addingstudentName;
stdu7.sname=addingstudentName;
sclass.push_back(stdu7.sname);
std::cout<<"Enter the surname of a student: "; //surname
std::cin>>addingstudentSurname;
stdu7.ssurname=addingstudentSurname;
sclass.push_back(stdu7.ssurname);
std::cout<<"Enter the number of a student: "; //number
std::cin>>addingstudentNumber;
stdu7.sid=addingstudentNumber;
sclassid.push_back(stdu7.sid);
std::cout<<"Enter the grade of a student: "; //grade
std::cin>>addingstudentGrade;
stdu7.grade=addingstudentGrade;
sclassGrade.push_back (stdu7.grade);
std::cout<<"Enter the CGPA of a student: "; //CGPA
std::cin>>addingstudentCGPA;
stdu7.cgpa = addingstudentCGPA;
sclassCgpa.push_back(stdu7.cgpa);
}
int main() {
int x;
std::vector<double> sclassCgpa;
std::vector<std::string> sclass;
std::vector<std::string> sclassid;
std::vector<std::string> sclassurname;
std::vector<int> sclassGrade;
//Student1
stdu1.sname="Dogukan";
stdu1.ssurname="GULYASAR";
stdu1.sid = "170992";
stdu1.cgpa = 3.07;
stdu1.grade = 100;
//Push
sclass.push_back (stdu1.sname);
sclassurname.push_back (stdu1.ssurname);
sclassCgpa.push_back(stdu1.cgpa);
sclassid.push_back(stdu1.sid);
sclassGrade.push_back (stdu1.grade);
//Student2
stdu2.sname="Kevin";
stdu2.ssurname="DURANT";
stdu2.sid = "160995";
stdu2.cgpa = 1.11;
stdu2.grade = 50;
//Push
sclass.push_back (stdu2.sname);
sclassurname.push_back (stdu2.ssurname);
sclassCgpa.push_back(stdu2.cgpa);
sclassid.push_back(stdu2.sid);
sclassGrade.push_back(stdu2.grade);
//Student3
stdu3.sname="John";
stdu3.ssurname="WICK";
stdu3.sid = "178564";
stdu3.cgpa = 2.97;
stdu3.grade = 78;
//Push
sclass.push_back (stdu3.sname);
sclassurname.push_back (stdu3.ssurname);
sclassCgpa.push_back(stdu3.cgpa);
sclassid.push_back(stdu3.sid);
sclassGrade.push_back(stdu3.grade);
//Student4
stdu4.sname="George";
stdu4.ssurname="ORWELL";
stdu4.sid = "125334";
stdu4.cgpa = 2.58;
stdu4.grade = 12;
//Push
sclass.push_back (stdu4.sname);
sclassurname.push_back (stdu4.ssurname);
sclassCgpa.push_back(stdu4.cgpa);
sclassid.push_back(stdu4.sid);
sclassGrade.push_back(stdu4.grade);
//Student5
stdu5.sname="Morgan";
stdu5.ssurname="FREEMAN";
stdu5.sid = "156429";
stdu5.cgpa = 4.00;
stdu5.grade = 95;
//Push
sclass.push_back (stdu5.sname);
sclassurname.push_back (stdu5.ssurname);
sclassCgpa.push_back(stdu5.cgpa);
sclassid.push_back(stdu5.sid);
sclassGrade.push_back(stdu5.grade);
//Student6
stdu6.sname="Mahmut";
stdu6.ssurname="ORHAN";
stdu6.sid = "142300";
stdu6.cgpa = 0.80;
stdu6.grade = 57;
//Push
sclass.push_back (stdu6.sname);
sclassurname.push_back (stdu6.ssurname);
sclassCgpa.push_back(stdu6.cgpa);
sclassid.push_back(stdu6.sid);
sclassGrade.push_back(stdu6.grade);
//Average Grade Calculating
int avGrade =0;
for(int c =0; c<sclassGrade.size(); c++) {
avGrade = sclassGrade[c] + avGrade;
}
avGrade = avGrade / sclassGrade.size();
//Average Finished
//For list
int p;
while(p!=1){
std::cout<<"Press the 1 to see class list: n";
std::cout<<"Press the 2 to add a student to class: n";
std::cin>>p;
switch(p) {
case 1:
printClassList(sclass,sclassGrade,sclassurname);
std::cout<<"Average Grade: "<<avGrade<<"n";
break;
case 2:
addStudent(sclass,sclassGrade,sclassurname,sclassid,sclassCgpa);
break;
}
}
std::cout<<"nPress the student list number:";
std::cin>>x;
switch(x) {
case 1:
std::cout<<"Name: "<<stdu1.sname<<"t "<<"ID: "<<stdu1.sid<<" t"<<"CGPA: "<<stdu1.cgpa<< "t"<<"Grade: "<<stdu1.grade;
if(stdu1.grade<avGrade){
std::cout<<"nDanger!! This student is under average!"<<"tAverage is: "<<avGrade;
}else if(stdu1.grade==avGrade){
std::cout<<"nThis student is absoluetly on the average."<<"tAverage is: "<<avGrade;
}else {
std::cout<<"nGreat! This student's grade is greater than class!"<<"tAverage is: "<<avGrade;
}
break;
case 2:
std::cout<<"Name: "<<stdu2.sname<<"t "<<"ID: "<<stdu2.sid<<" t"<<"CGPA: "<<stdu2.cgpa<< "t"<<"Grade: "<<stdu2.grade;
if(stdu2.grade<avGrade){
std::cout<<"nDanger!! This student is under average!"<<"tAverage is: "<<avGrade;
}else if(stdu2.grade==avGrade){
std::cout<<"nThis student is absoluetly on the average."<<"tAverage is: "<<avGrade;
}else {
std::cout<<"nGreat! This student's grade is greater than class!"<<"tAverage is: "<<avGrade;
}
break;
case 3:
std::cout<<"Name: "<<stdu3.sname<<"t "<<"ID: "<<stdu3.sid<<" t"<<"CGPA: "<<stdu3.cgpa<< "t"<<"Grade: "<<stdu3.grade;
if(stdu3.grade<avGrade){
std::cout<<"nDanger!! This student is under average!"<<"tAverage is: "<<avGrade;
}else if(stdu3.grade==avGrade){
std::cout<<"nThis student is absoluetly on the average."<<"tAverage is: "<<avGrade;
}else {
std::cout<<"nGreat! This student's grade is greater than class!"<<"tAverage is: "<<avGrade;
}
break;
case 4:
std::cout<<"Name: "<<stdu4.sname<<"t "<<"ID: "<<stdu4.sid<<" t"<<"CGPA: "<<stdu4.cgpa<< "t"<<"Grade: "<<stdu4.grade;
if(stdu4.grade<avGrade){
std::cout<<"nDanger!! This student is under average!"<<"tAverage is: "<<avGrade;
}else if(stdu4.grade==avGrade){
std::cout<<"nThis student is absoluetly on the average."<<"tAverage is: "<<avGrade;
}else {
std::cout<<"nGreat! This student's grade is greater than class!"<<"tAverage is: "<<avGrade;
}
break;
case 5:
std::cout<<"Name: "<<stdu5.sname<<"t "<<"ID: "<<stdu5.sid<<" t"<<"CGPA: "<<stdu5.cgpa<< "t"<<"Grade: "<<stdu5.grade;
if(stdu5.grade<avGrade){
std::cout<<"nDanger!! This student is under average!"<<"tAverage is: "<<avGrade;
}else if(stdu5.grade==avGrade){
std::cout<<"nThis student is absoluetly on the average."<<"tAverage is: "<<avGrade;
}else {
std::cout<<"nGreat! This student's grade is greater than class!"<<"tAverage is: "<<avGrade;
}
break;
case 6:
std::cout<<"Name: "<<stdu6.sname<<"t "<<"ID: "<<stdu6.sid<<" t"<<"CGPA: "<<stdu6.cgpa<< "t"<<"Grade: "<<stdu6.grade;
if(stdu6.grade<avGrade){
std::cout<<"nDanger!! This student is under average!"<<"tAverage is: "<<avGrade;
}else if(stdu6.grade==avGrade){
std::cout<<"nThis student is absoluetly on the average."<<"tAverage is: "<<avGrade;
}else {
std::cout<<"nGreat! This student's grade is greater than class!"<<"tAverage is: "<<avGrade;
}
break;
case 7:
std::cout<<"Name: "<<stdu7.sname<<"t "<<"ID: "<<stdu7.sid<<" t"<<"CGPA: "<<stdu7.cgpa<< "t"<<"Grade: "<<stdu7.grade;
if(stdu7.grade<avGrade){
std::cout<<"nDanger!! This student is under average!"<<"tAverage is: "<<avGrade;
}else if(stdu7.grade==avGrade){
std::cout<<"nThis student is absoluetly on the average."<<"tAverage is: "<<avGrade;
}else {
std::cout<<"nGreat! This student's grade is greater than class!"<<"tAverage is: "<<avGrade;
}
break;
}
}