Bjarne Stroustrup “Programming Principles and Practice Using C++”
Chapter 5 Exercise 8
Using std_lib_facilities.h by Bjarne Stroustrup.
[code language=”cpp”]
// Philipp Siedler
// Bjarne Stroustrup’s PP
// Chapter 5 Exercise 8
//input: 5
//input: 3 5 6 3 34 54x
#include "std_lib_facilities.h"
int main()
try
{
vector<int> numVec;
int numCount = 0;
int value;
int numSum = 0;
string check;
cout << "Enter number of integers to be read:\n";
if(cin >> numCount){}
else {
cin.clear();
cin >> check;
error("Entered value does not match: ", check);
}
cout << "Enter some values to be stored seperated by a blank space "
"ending with a ‘x’: \n";
for (int i = 0; i < numCount; i++) {
if (cin >> value) {
numVec.push_back(value);
numSum += value;
}
else {
cin.clear();
cin >> check;
if (check == "x") {
break;
}
else{
error("Input is no value: ", check);
}
}
}
if (numVec.size() < numCount) {
error("The entered number of integers to be read is larger than the vector size.\n");
}
for (int i = 0; i < numVec.size(); i++) {
cout << numVec[i] << "\n";
}
cout << "sum = " << numSum << "\n";
keep_window_open(".");
}
catch (runtime_error e) {
cout << e.what() << "\n";
keep_window_open(".");
}
catch (…) {
cout << "Extiting" << "\n";
keep_window_open(".");
}
[/code]
Output: Enter number of integers to be read: 5 Enter some values to be stored seperated by a blank space ending with a 'x': 3 5 6 3 34 54x 3 5 6 3 34 sum = 51 Please enter . to exit
