The university needs to keep a record of the students grades. I need to make a p

Question

The university needs to keep a record of the students grades. I need to make a program in C++ format and language that calculated the average grade per student, per classroom and the average of the institution. There are 3 grades (0-100 integer), 2 students. and 2 classes.

It must output the following:

Classroom 1 introduce grade 1 of student 1:

Classroom 1 introduce grade 2 of student 1:

Classroom 1 introduce grade 3 of student 1:

Classroom 1 introduce grade 1 of student 2:

Classroom 1 introduce grade 2 of student 2:

Classroom 1 introduce grade 3 of student 2:

Classroom 2 introduce grade 1 of student 1:

Classroom 2 introduce grade 2 of student 1:

Classroom 2 introduce grade 3 of student 1:

Classroom 2 introduce grade 1 of student 2:

Classroom 2 introduce grade 2 of student 2:

Classroom 2 introduce grade 3 of student 2:

A triple nested loop must be used and it should output the results: average grade of student 1, average grade of student 2, average grade of class1, average grade of class2. average grade of university.

Explanation / Answer

Code:

#include<iostream>
#include <cstdlib> /* srand, rand */
#include <ctime>
#include <unistd.h>
#include <cstdio>
#include <csignal>
using namespace std;

int main()
{
   int c1s1g1,c1s1g2,c1s1g3;
   int c1s2g1,c1s2g2,c1s2g3;
   int c2s1g1,c2s1g2,c2s1g3;
   int c2s2g1,c2s2g2,c2s2g3;
   cout<<"enter classroom 1 student 1 grade 1 "<<endl;
   cin>>c1s1g1;
       cout<<"enter classroom 1 student 1 grade 2 "<<endl;
   cin>>c1s1g2;
       cout<<"enter classroom 1 student 1 grade 3 "<<endl;
   cin>>c1s1g3;
  
   cout<<"enter classroom 1 student 2 grade 1 "<<endl;
   cin>>c1s2g1;
       cout<<"enter classroom 1 student 2 grade 2 "<<endl;
   cin>>c1s2g2;
       cout<<"enter classroom 1 student 2 grade 3 "<<endl;
   cin>>c1s2g3;
  
   cout<<"enter classroom 2 student 1 grade 1 "<<endl;
   cin>>c2s1g1;
       cout<<"enter classroom 2 student 1 grade 2 "<<endl;
   cin>>c2s1g2;
       cout<<"enter classroom 2 student 1 grade 3 "<<endl;
   cin>>c2s1g3;
  
   cout<<"enter classroom 2 student 2 grade 1 "<<endl;
   cin>>c2s2g1;
       cout<<"enter classroom 2 student 2 grade 2 "<<endl;
   cin>>c2s2g2;
       cout<<"enter classroom 2 student 2 grade 3 "<<endl;
   cin>>c2s2g3;
  
   float avgst1=0;
   float avgst2=0;
   float avgcl1=0;
   float avgcl2=0;
   float avggr=0;
   avgst1 = (c1s1g1 + c1s1g2 + c1s1g3 + c2s1g1 + c2s1g2 + c2s1g3)/6;
   avgst2 = (c1s2g1 + c1s2g2 + c1s2g3 + c2s2g1 + c2s2g2 + c2s2g3)/6;
   avgcl1 = (c1s1g1 + c1s1g2 + c1s1g3 + c1s2g1 + c1s2g2 + c1s2g3)/6;
avgcl2 = (c2s1g1 + c2s1g2 + c2s1g3 + c2s2g1 + c2s2g2 + c2s2g3)/6;
avggr = (c1s1g1 + c1s1g2 + c1s1g3 + c1s2g1 + c1s2g2 + c1s2g3+c2s1g1 + c2s1g2 + c2s1g3 + c2s2g1 + c2s2g2 + c2s2g3)/12;
  
   cout<<"average of student 1 "<<avgst1<<endl;
   cout<<"average of student 2 "<<avgst2<<endl;
   cout<<"average of class 1 "<<avgcl1<<endl;
   cout<<"average of class 2 "<<avgcl2<<endl;
   cout<<"average of university "<<avggr<<endl;
   return 0;
}

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