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#include <iostream>
#include <iomanip>
using namespace std;
const int R=3; //number of rows
const int C=5; //number of coloumn
const int N=15;
void showNamesAndScores(int scores[][C], char names[][N], int);
double calcAvg(int X[][C], int);
char classAvg(int X[][C], int);
double calcAvg(int X[][C], int s)
{
double a;
double sum = 0;
for(int i=0; i<R; i++)
{
for(int j=0; j<C; j++)
{
sum += X[i][j];
}
}
a = sum/(R*C);
return a;
}
char lettergrade (double finalRowAvg)
{
if (finalRowAvg>=93){
return 'A';
}
else if ((85<= finalRowAvg)&&(finalRowAvg <=93)){
return 'B';
}
else if ((76<= finalRowAvg)&&(finalRowAvg <=85)){
return 'C';
}
else if ((70<= finalRowAvg)&&(finalRowAvg <=76)){
return 'D';
}
else if ((0<= finalRowAvg)&&(finalRowAvg <=70)){
return 'F';
}
}
char classAvg(int scores[][C], int R)
{
double avg;
int sum = 0;
char grade;
for(int i=0; i<R; i++)
{
sum += scores[i][C];
}
avg = sum/R;
}
int main()
{
//declare 2d array
char let;
int scores[R][C];
char names[R][N];
{
//populate 2d array
for(int i=0; i<R ;i++)
{
cout<<"Enter Name of student"<<i+1<<": ";
cin>>names[i];
cout<<endl;
}
for(int i=0; i<R; i++)
{
cout<<"Enter "<<C<<" scores for student "<<i+1<<": ";
for (int j=0; j<C; j++)
{
cin>>scores[i][j];
}
cout<<endl;
}
showNamesAndScores(scores, names, R);
//endcalcAvg
double avg = calcAvg(scores, R);
cout<<"Class Avg: "<<avg<<endl;
double rowAvg = 0, colAvg = 0;
double finalRowAvg=0;
double finalColAvg=0;
let = lettergrade(finalRowAvg);
for(int m=0; m<R; m++)
{
for(int n=0; n<C; n++)
{
rowAvg += scores[m][n];
}
finalRowAvg = rowAvg / 5;
cout << " Avg for Student " << m+1 << " is " << finalRowAvg;
cout<<" Lettergrade: "<<lettergrade(finalRowAvg);
cout<<endl;
rowAvg = 0; // reset row average for next row
finalRowAvg = 0.0; // reset final average for next row
}
}
}
//end of main
void showNamesAndScores(int scores[][C], char names[][N], int R)
{
for(int i=0; i<R; i++)
{
cout<<names[i];
cout<<setw(15);
for(int j=0; j<C; j++)
{
cout<<scores[i][j]<<" ";
}
cout<<endl;
}
}//end names and scores
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