Can you help me answer these questions in relation to my code listed below? #inc
ID: 3859163 • Letter: C
Question
Can you help me answer these questions in relation to my code listed below?
#include<iostream>
#include<string>
#include<algorithm>
#include<sstream>
using namespace std;
int main()
{
cout<<" Welcome to the point menu program ";
string choice;
/* looping the menu */
do{
string line1,line2;
double firstPointStart,firstPointEnd;
double secondPointStart,secondPointEnd;
/*displaying the menu*/
cout<<"1) Calculate distance between two points "<<endl;
cout<<"2) Calculate Midpoint of two points "<<endl;
cout<<"3) Quit"<<endl;
cin>>choice;
/*converting choice to lower case*/
transform(choice.begin(), choice.end(), choice.begin(), ::tolower);
/* if choice equal to
1 or mid or MID or MiD mID */
if(choice=="1"||choice=="mid")
{
//asking the input
/*input in form of <first<space>second> 34 32*/
cout<<"What is your first point ? ";
cin.ignore(256, ' ');
getline(cin,line1);
cout<<"What is your second point ? ";
getline(cin,line2);
stringstream ss1(line1);
stringstream ss2(line2);
string temp;
int i=0,j=0;
//manupulatin the line
while(getline(ss1,temp,' '))
{
if(i==0)
firstPointStart=stod(temp);
if(i==1)
{
firstPointEnd=stod(temp);
}
i++;
}
while(getline(ss2,temp,' '))
{
if(j==0)
secondPointStart=stod(temp);
if(j==1)
{
secondPointEnd=stod(temp);
}
j++;
}
//calculating the midpoint
cout<<" Midpoint of the line segment from ("<<line1<<") to ("<<line2<<") is ("<<(firstPointStart+secondPointStart)/2
<<" "<<(firstPointEnd+secondPointEnd)/2<<") "<<endl;
}
/* if choice equal to
2 or dis or DIS or Dis dIS */
else if(choice=="2"||choice=="dis")
{
cout<<"What is your first point ? ";
cin.ignore(256, ' ');
getline(cin,line1);
cout<<"What is your second point ? ";
getline(cin,line2);
stringstream ss1(line1);
stringstream ss2(line2);
string temp;
int i=0,j=0;
while(getline(ss1,temp,' '))
{
if(i==0)
firstPointStart=stod(temp);
if(i==1)
{
firstPointEnd=stod(temp);
}
i++;
}
while(getline(ss2,temp,' '))
{
if(j==0)
secondPointStart=stod(temp);
if(j==1)
{
secondPointEnd=stod(temp);
}
j++;
}
cout<<" Distance of the line segment from ("<<line2<<") to ("<<line1<<") is ("<<secondPointStart-firstPointStart
<<" "<<secondPointEnd-firstPointEnd<<") "<<endl;
}
/* if choice equal to
3 or quit or QUIT or QuiT quIT */
else if(choice=="3"||choice=="quit")
{
cout<<"Thanks for using point menu program "<<endl;
break;
}
//any invalid input comes here
else{
cout<<"I'm sorry , that choice is invalid!"<<endl;
}
}
while(true);
return 0;
}
Explanation / Answer
1. ss1 - stringstream, ss2 - stringstream
2. the name is not a matter at all to the compiler. The argument name is a user defined one.
3. the return type is of boolean
4. no function call only while statemnet is provided
no