Question

Write a program that will prompt the number of shipping days as well as the day of the week an item that has been ordered may arrive.

- use a switch statement to assign the day of the week as well as the number of the day (Sun = 0, mon = 1, etc.)

- use another switch statement and modulus operator for finding a day of the week in the future

Answer 1

`Hey,

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#include<iostream>
#include<string>

using namespace std;

enum Day{sun,mon,tue,wed,thu,fri,sat};

int getDayNumber(string day){

if(day.compare("sun") == 0)
return 0;
else if(day.compare("mon") == 0)
return 1;
else if(day.compare("tue") == 0)
return 2;
else if(day.compare("wed") == 0)
return 3;
else if(day.compare("thu") == 0)
return 4;
else if(day.compare("fri") == 0)
return 5;
else if(day.compare("sat") == 0)
return 6;
else
return -1;
}

string getDay(int dayNumber){
string day;
switch(dayNumber){
case 0:
day = "sunday";
break;
case 1:
day = "monday";
break;
case 2:
day = "tuesday";
break;
case 3:
day = "wednesday";
break;
case 4:
day = "thursday";
break;
case 5:
day = "friday";
break;
case 6:
day = "saturday";

}
return day;
}
int main(){
string day;
int shippingDays;

cout<<"Enter a day of the week: ";
cin>>day;

cout<<"Enter number of shipping days: ";
cin>>shippingDays;

string shippingDayName;
string currentDayName;
int remainder = shippingDays%7;

int curentDayNumber = getDayNumber(day);
currentDayName = getDay(curentDayNumber);
if(curentDayNumber == -1)
cout<<"error! Day cannot be determined\n";
else{
shippingDayName = getDay((curentDayNumber+remainder)%7);
cout<<shippingDays<<" days away from "<<currentDayName<<" is "<<shippingDayName<<endl;
}

return 0;
}

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Thanks.