Create main.cpp

Author: The-Young-Programmer

Projects/C++ Projects/Basic/Calculate CGPA and GPA/main.cpp

@@ -0,0 +1,196 @@
+/*This C++ PROGRAM is developed by NemonET TYP and 
+special right is given to TEAM TYP for educational purpose  */
+//Don't copy source code without permission
+
+
+#include <iostream>
+#include <stdlib.h>
+
+using namespace std;
+
+void calculateGPA();
+void calculateCGPA();
+void method();
+
+int main()
+{
+    system("cls");
+    int input;
+    cout<<"--------------------------------------------------------------------------"<<endl;
+    cout<<"                    GPA & CGPA Calculator (Developed by Ohid)             "<<endl;
+    cout<<"--------------------------------------------------------------------------\n"<<endl;
+    cout<<"            MENU:"<<endl;
+    cout<<"                   1. Calculate GPA (Grade Point Average)"<<endl;
+    cout<<"                   2. Calculate CGPA (Cummulative Grade Point Average)"<<endl;
+    cout<<"                   3. Method that is applied here for calclating GPA & CGPA"<<endl;
+    cout<<"                   4. Exit Application"<<endl;
+    cout<<"--------------------------------------------------------------------------"<<endl;
+    sub:
+    cout<<"Enter your choice: ";
+    cin>>input;
+    switch(input)
+    {
+        case 1:
+                calculateGPA();
+                break;
+
+        case 2:
+                calculateCGPA();
+                break;
+        case 3:
+                method();
+                break;
+        case 4:
+                exit(EXIT_SUCCESS);
+                break;
+        default:
+            cout<<"You have entered wrong input.Try again!\n"<<endl;
+            goto sub;
+            break;
+    }
+}
+
+void calculateGPA()
+{
+    int q;
+    system("cls");
+    cout<<"-------------- GPA Calculating -----------------"<<endl;
+    cout<<" How many subject's points do you want to calculate? : ";
+    cin>>q;
+
+    float credit [q];
+    float point [q];
+
+    cout<<endl;
+    for(int i=0;i<q;i++)
+    {
+        cout<<"Enter the credit for the subject "<<i+1<<": ";
+        cin>>credit[i];
+        cout<<endl;
+        cout<<"Enter the point of the subject "<<i+1<<": ";
+        cin>>point[i];
+        cout<<"-----------------------------------\n\n"<<endl;
+    }
+
+    float sum=0;
+    float tot;
+    for(int j=0;j<q;j++)
+    {
+        tot=credit[j]*point[j];
+        sum=sum+tot;
+    }
+
+    float totCr=0;
+    for(int k=0;k<q;k++)
+    {
+        totCr=totCr+credit[k];
+    }
+
+    cout<<"\n\n\nTotal Points: "<<sum<<" . Total Credits: "<<totCr<<" .Total GPA: "<<sum/totCr<<" ."<<endl;
+
+
+    sub:
+    int inmenu;
+    cout<<"\n\n\n1. Calculate Again"<<endl;
+    cout<<"2. Go Back to Main Menu"<<endl;
+    cout<<"3. Exit This App \n\n"<<endl;
+    cout<<"Your Input: "<<endl;
+    cin>>inmenu;
+
+    switch(inmenu)
+    {
+        case 1:
+                calculateGPA();
+                break;
+        case 2:
+                main();
+                break;
+        case 3:
+                exit(EXIT_SUCCESS);
+
+        default:
+              cout<<"\n\nYou have Entered Wrong Input!Please Choose Again!"<<endl;
+              goto sub;
+    }
+}
+void calculateCGPA()
+{
+    system("cls");
+    int l;
+    cout<<"-------------- CGPA Calculating -----------------\n\n"<<endl;
+    cout<<"How many semester results do you want input? :";
+    cin>>l;
+    cout<<"\n\n"<<endl;
+    float semrs[l];
+    int i;
+
+    for(i=0;i<l;i++)
+    {
+        cout<<" Enter Semester "<<i+1<<" Result(GPA): ";
+        cin>>semrs[i];
+        cout<<"\n"<<endl;
+    }
+
+    float semtot=0;
+    for(int j=0;j<l;j++)
+    {
+        semtot=semtot+semrs[j];
+    }
+
+    cout<<"******** Your CGPA is "<<semtot/l<<" **********"<<endl;
+
+
+    sub:
+    int inmenu;
+    cout<<"\n\n\n1. Calculate Again"<<endl;
+    cout<<"2. Go Back to Main Menu"<<endl;
+    cout<<"3. Exit This App \n\n"<<endl;
+    cout<<"Your Input: "<<endl;
+    cin>>inmenu;
+
+    switch(inmenu)
+    {
+        case 1:
+                calculateCGPA();
+                break;
+        case 2:
+                main();
+                break;
+        case 3:
+                exit(EXIT_SUCCESS);
+
+        default:
+              cout<<"\n\nYou have Entered Wrong Input!Please Choose Again!"<<endl;
+              goto sub;
+    }
+
+}
+
+void method()
+{
+    system("cls");
+    cout<<"--------------- Method of Calculating GPA & CGPA ---------------\n\n"<<endl;
+    cout<<" GPA= Sum of (Credit*Point) / total of credits \n"<<endl;
+    cout<<" CGPA=  Sum of GPA / number of semesters "<<endl;
+    cout<<"-----------------------------------------------------------------\n\n"<<endl;
+
+    sub:
+    int inmenu;
+    cout<<"1. Go Back to Main Menu"<<endl;
+    cout<<"2. Exit This App \n\n"<<endl;
+    cout<<"Your Input: "<<endl;
+    cin>>inmenu;
+
+    switch(inmenu)
+    {
+        case 1:
+                main();
+                break;
+        case 2:
+                exit(EXIT_SUCCESS);
+
+        default:
+              cout<<"\n\nYou have Entered Wrong Input!Please Choose Again!"<<endl;
+              goto sub;
+    }
+};