I guess depends on the language but for both java and C++ answer 3 is correct.
Is this a true or fales question
Answer:
By clicking the sheet tabs at the bottom of the Excel window, you can quickly select one or more sheets. To enter or edit data on several worksheets at the same time, you can group worksheets by selecting multiple sheets. You can also format or print a selection of sheets at the same time.
Explanation:
hope this helps
#include
#include
#include
#include
#include
#include
using namespace std;
// Class student required to store the data
class Student{
public:
string lname;
string fname;
int marks[3];
char grade;
// Function which generates the grade for student
void calculate_grade(){
double sum = 0;
for(int i=0;i<3;i++){
sum+= marks[i];
}
double average = sum/3;
if(average>=90 && average<100)
this->grade = 'A';
else if(average>=80)
this->grade = 'B';
else if(average>=70)
this->grade = 'C';
else if(average>=60)
this->grade= 'D';
else this->grade = 'F';
}
};
// This function reads the file , and creates a vector of Students data
vector read_file(string fileName){
// Opening the file
fstream fin;
fin.open(fileName);
// Temp variables
vector list;
vector row ;
string line, word, temp;
// Read the data into vector
while(getline(fin,line)){
row.clear();
stringstream s(line);
while(getline(s,word,'\t')){
row.push_back(word);
}
Student st;
st.fname = row[0];
st.lname = row[1];
st.marks[0] = stoi(row[2]);
st.marks[1] = stoi(row[3]);
st.marks[2] = stoi(row[4]);
st.calculate_grade();
list.push_back(st);
}
fin.close();
return list;
}
// This function takes filname to be output as input, and list of student
void writeFile(string filename, vector list){
// Opening the new file
ofstream fin(filename);
for(int i=0;i string line = list[i].fname+"\t"+list[i].lname+"\t"+to_string(list[i].marks[0])+"\t"
+to_string(list[i].marks[1])+"\t"+to_string(list[i].marks[2])+"\t"+list[i].grade+"\n";
fin<
}
// Find the stats required
double average1 =0,average2 =0 ,average3 = 0;
for(int i=0;i average1+=list[i].marks[0];
average2+=list[i].marks[1];
average3+=list[i].marks[2];
}
average1/=list.size();
average2/=list.size();
average3/=list.size();
// Writting the stats
fin<<"\n"<<"Average: "<<"mid_term1 "<
// Closing the file
fin.close();
}
int main(){
// Taking the input
cout<<"Enter the filename: ";
string filename;
cin>>filename;
vector list;
// Reading and Writting to the file
list = read_file(filename);
writeFile("report.txt",list);
}
