Instructions (No array) (c++) (visual studio) 1. Create a project called Project3B 2. Create 3 String...

Instructions (No array) (c++) (visual studio)

1. Create a project called Project3B
2. Create 3 String variables called name1, name2, name3
3. Create 9 double variables called test1_1, test1_2, test1_3, test2_1, test2_2, test2_3, test3_1, test3_2, test3_3
4. Create 3 double variables called average1, average2, average3
To calculate the average score = (test1 + test2 + test3) / 3.0
5. Run the program with the following data using cin
name1 = “Tom”, name2 = “Mary”, name3 = “Ali”
test1_1 = 81.4, test1_2 = 92.1, test1_3 = 75.5
test2_1 = 98.7, test2_2 = 93.5, test2_3 = 90.1
test3_1 = 64.2, test3_2 = 75.8, test3_3 = 78.4
6. Display the output using cout and setw()

Expert Solution

#include <iostream>
#include <iomanip> 
#include <ios> 
using namespace std;

int main() {
  string name1,name2,name3;
  double test1_1, test1_2, test1_3, test2_1, test2_2, test2_3, test3_1, test3_2, test3_3;
  double average1, average2, average3;
  cout << "name1 = ";
  cin >> name1; 
  cout << "name2 = ";
  cin >> name2; 
  cout << "name3 = ";
  cin >> name3; 
  cout << "Marks of " << setw(7) << name1 << " in test1 = ";
  cin >> test1_1; 
  cout << "Marks of " << setw(7) << name1 << " in test2 = ";
  cin >> test1_2; 
  cout << "Marks of " << setw(7) << name1 << " in test3 = ";
  cin >> test1_3; 
  cout << "Marks of " << setw(7) << name2 << " in test1 = ";
  cin >> test2_1; 
  cout << "Marks of " << setw(7) << name2 << " in test2 = ";
  cin >> test1_2; 
  cout << "Marks of " << setw(7) << name2 << " in test3 = ";
  cin >> test1_3; 
  cout << "Marks of " << setw(7) << name3 << " in test1 = ";
  cin >> test3_1; 
  cout << "Marks of " << setw(7) << name3 << " in test2 = ";
  cin >> test3_2; 
  cout << "Marks of " << setw(7) << name3 << " in test3 = ";
  cin >> test3_3; 
  average1 = (test1_1 + test1_2 + test1_3)/3.0;
  average2 = (test2_1 + test2_2 + test2_3)/3.0;
  average3 = (test3_1 + test3_2 + test3_3)/3.0;
  cout << "average of " << setw(7) << name1 << " is " << setw(7) << average1 << "\n"
       << "average of " << setw(7) << name2 << " is " << setw(7) << average2 << "\n"
       << "average of " << setw(7) << name3 << " is " << setw(7) << average3 << endl;

}

Output:

venereology answered 6 months ago

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