Bjarne Stroustrup “Programming Principles and Practice Using C++”
Chapter 5 Exercise 14
Using std_lib_facilities.h by Bjarne Stroustrup.
[code language=”cpp”]
// Philipp Siedler
// Bjarne Stroustrup’s PP
// Chapter 5 Exercise 14
#include "std_lib_facilities.h"
int main()
try
{
vector<string> dayVec = { "Monday", "monday", "Mon",
"Tuesday", "tuesday", "Tue",
"Wednesday", "wednesday", "Wed",
"Thursday", "thursday", "Thu",
"Friday", "friday", "Fri",
"Saturday", "saturday", "Sat",
"Sunday", "sunday", "Sun" };
vector<int> dayVal = { 0,0,0,0,0,0,0 };
string day;
int value;
string falsevalue;
bool check = true;
cout << "Enter pairs of week-days and values seperated by blank space: \n";
cout << "Enter exit 0 to end entry.\n";
while(check){
if(cin >> day >> value){
for(int i = 0; i < dayVec.size(); i++){
if (day == dayVec[i]) {
dayVal[i / 3] += value;
}
}
if (day == "exit" && value == 0) {
break;
check = true;
}
}
else {
cin.clear();
cin >> falsevalue;
error("Entered value illegal: ", falsevalue);
}
}
for (int i = 0; i < dayVal.size(); i++) {
cout << dayVec[i*3] << ": " << dayVal[i] << "\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 pairs of week-days and values seperated by blank space: Enter exit 0 to end entry. Mon 3 Wednesday 6 friday 3 exit 0 Monday: 3 Tuesday: 0 Wednesday: 6 Thursday: 0 Friday: 3 Saturday: 0 Sunday: 0 Please enter . to exit
