name and age pairs [age called by name]

Bjarne Stroustrup “Programming Principles and Practice Using C++”
Chapter 4 Exercise 20
Using std_lib_facilities.h by Bjarne Stroustrup.

[code language=”cpp”]
// Philipp Siedler
// Bjarne Stroustrup’s PP
// Chapter 4 Exercise 20

#include "std_lib_facilities.h"

int main()
try
{
string nameTemp;
string nameInput;
int nameCheck = 0;

int ageTemp;

vector<string> names;
vector<int> ages;

bool check = true;

while (check == true) {
cout << "Enter name and age pairs to be collected, or ‘noname’ and ‘0’ to end the entry.\n";

if (cin >> nameTemp >> ageTemp) {
if (nameTemp == "noname" && ageTemp == 0) {
check = false;
}
else {
for (int i = 0; i < names.size(); i++) {
if (names[i] == nameTemp) {
error("This name already exists ", nameTemp);
}
}
names.push_back(nameTemp);
ages.push_back(ageTemp);
}
}
else {
error("Bad input");
}
}

cout << "Enter a name to look for\n";
cin >> nameInput;

for (int i = 0; i < names.size(); i++) {
if (names[i] == nameInput) {
cout << "You entered: " << nameInput << " . Corresponded score is " << ages[i] << "\n";
nameCheck++;
}
}

if (nameCheck == 0) {
cout << nameInput << " . Could not be found in the list of names.\n";
}

keep_window_open(".");
}

catch (runtime_error e) {
cout << e.what() << "\n";
keep_window_open(".");
}
catch (…) {
cout << "Exiting \n";
keep_window_open(".");
}
[/code]

Output:
Enter name and age pairs to be collected, or 'noname' and '0' to end the entry.
Hans 20
Enter name and age pairs to be collected, or 'noname' and '0' to end the entry.
Peter 30
Enter name and age pairs to be collected, or 'noname' and '0' to end the entry.
noname 0
Enter a name to look for
Peter
You entered: Peter . Corresponded score is 30
Please enter . to exit

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