Answer:
#include <iostream>
#include <vector>
using namespace std;
int main() {
vector<int> jerseyNumber;
vector<int> rating;
int temp;
for (int i = 1; i <= 5; i++) {
cout << "Enter player " << i
<< "'s jersey number: ";
cin >> temp;
jerseyNumber.push_back(temp);
cout << "Enter player " << i
<< "'s rating: ";
cin >> temp;
rating.push_back(temp);
cout << endl;
}
cout << "ROSTER" << endl;
for (int i = 0; i < 5; i++)
cout << "Player " << i + 1 << " -- "
<< "Jersey number: " << jerseyNumber.at(i)
<< ", Rating: " << rating.at(i) << endl;
char option;
'
while (true) {
cout << "MENU" << endl;
cout << "a - Add player" << endl;
cout << "d - Remove player" << endl;
cout << "u - Update player rating" << endl;
cout << "r - Output players above a rating"
<< endl;
cout << "o - Output roster" << endl;
cout << "q - Quit" << endl << endl;
cout << "Choose an option: ";
cin >> option;
switch (option) {
case 'a':
case 'A':
cout << "Enter a new player's"
<< "jersey number: ";
cin >> temp;
jerseyNumber.push_back(temp);
cout << "Enter the player's rating: ";
cin >> temp;
rating.push_back(temp);
break;
case 'd':
case 'D':
cout << "Enter a jersey number: ";
cin >> temp;
int i;
for (i = 0; i < jerseyNumber.size();
i++) {
if (jerseyNumber.at(i) == temp) {
jerseyNumber.erase(
jerseyNumber.begin() + i);
rating.erase(rating.begin() + i);
break;
}
}
break;
case 'u':
case 'U':
cout << "Enter a jersey number: ";
cin >> temp;
for (int i = 0; i < jerseyNumber.size();
i++) {
if (jerseyNumber.at(i) == temp) {
cout << "Enter a new rating "
<< "for player: ";
cin >> temp;
rating.at(i) = temp;
break;
}
}
break;
case 'r':
case 'R':
cout << "Enter a rating: ";
cin >> temp;
cout << "\nABOVE " << temp << endl;
for (int i = 0; i < jerseyNumber.size();
i++)
if (rating.at(i) > temp)
cout << "Player " << i + 1
<< " -- "
<< "Jersey number: "
<< jerseyNumber.at(i)
<< ", Rating: "
<< rating.at(i) << endl;
break;
case 'o':
case 'O':
cout << "ROSTER" << endl;
for (int i = 0; i < jerseyNumber.size();
i++)
cout << "Player " << i + 1 << " -- "
<< "Jersey number: "
<< jerseyNumber.at(i) << ", Rating: "
<< rating.at(i) << endl;
break;
case 'q':
return 0;
default:
cout << "Invalid menu option."
<< " Try again." << endl;
}
}
}
Explanation:
as the merge form often splits the array into two halves together tends to linear time to combine multiple halves.