Question

where is the error in my code? it wont print all positions in the array for ascending (ralph is missing) or when it lists who got onto the elevator. This is C++.

Input Data

Anne 150
Bob 250
Ralph 305
Tim 250
Barbara 85
Jane 160
Steve 180
Tom 210
Mike 165
Shirley 155
Pam 125
Frank 130

Code

#include <iostream>
#include <fstream>

using namespace std;

/* The purpose of this program is to compare different
ways for people to enter an elevator efficiently by
comparing in regular order, descending order, and ascending order. */
ifstream fin ("inputData.txt");
int size = 12;
string name [20];
int weight [20];
int method [20];
int methodcount = 0;

void filldata ()
{
for(int i = 0; i < size; i++)
{
fin >> name[i];
fin >> weight[i];
}
}
//print array
void print ()
{
cout << "Name\tWeight" << endl;
cout << endl;

for(int i = 0; i < size; i++)
{
cout << name[i] << "\t" << weight[i]<<endl;
}
}

void whogoeson ()
{
int totalweight = 0, i = 0;

cout << "-----Elevator Riders-----" << endl;
cout << endl;
cout << "Name" << "\t" << "Weight" << endl;

while (totalweight < 1100)
{
totalweight += weight[i];
i++;
if (totalweight < 1100)
    {
        cout << name[i] << "\t" << weight[i]<<endl;
    }
}
cout << endl;
cout << "Total Weight: " << (totalweight - weight[i]) << endl;
cout << "Number of Elevator Riders: " << (i-1)<<endl;
method[i-1] = totalweight-weight[i];

}

void ascending ()
{
for(int i = size;i > 0;i--)
{
for(int j = 0; j < i; j++)
{
if(weight[j] > weight[i])
{
int hold = weight[j];
weight[j] = weight[i];
weight[i] = hold;

string hold2=name[j];
name[j]=name[i];
name[i]=hold2;
}
}
}
}

void descending()
{
for(int i=size;i>=0;i--)
{
for(int j=0;j<i;j++)
{
if(weight[j]<weight[j+1])
{
int hold=weight[j];
weight[j]=weight[j+1];
weight[j+1]=hold;

string hold2 = name[j];
name[j] = name[j+1];
name[j+1]=hold2;
}
}
}
}

int main()
{
cout << "-----Method "<<methodcount+1<<" -----";
cout << endl;
filldata();
print();
cout << endl;
whogoeson();
cout << endl;
methodcount++;

cout << "-----Method "<<methodcount+1<<" -----";
cout << endl;
cout << "Ascending order by Weight:"<<endl;
cout << endl;
ascending();
print();
cout << endl;
whogoeson();
cout << endl;
methodcount++;

cout << "-----Method "<<methodcount+1<<" -----";
cout << endl;
cout << "Descending order by Weight:"<<endl;
cout << endl;
descending();
print();
cout << endl;
whogoeson();
cout << endl;

cout << "The best Method was " << " "<<endl;
cout << endl;

cout << "Coded by YOUR NAME" << endl;
return 0;
}

Output

-----Method 1 -----
Name Weight

Anne 150
Bob 250
Ralph 305
Tim 250
Barbara 85
Jane 160
Steve 180
Tom 210
Mike 165
Shirley 155
Pam 125
Frank 130

-----Elevator Riders-----

Name Weight
Bob 250
Ralph 305
Tim 250
Barbara 85
Jane 160

Total Weight: 1020
Number of Elevator Riders: 5

-----Method 2 -----
Ascending order by Weight:

Name Weight

0
Barbara 85
Pam 125
Frank 130
Anne 150
Shirley 155
Jane 160
Mike 165
Steve 180
Tom 210
Tim 250
Bob 250

-----Elevator Riders-----

Name Weight
Barbara 85
Pam 125
Frank 130
Anne 150
Shirley 155
Jane 160
Mike 165
Steve 180

Total Weight: 940
Number of Elevator Riders: 8

-----Method 3 -----
Descending order by Weight:

Name Weight

Ralph 305
Tim 250
Bob 250
Tom 210
Steve 180
Mike 165
Jane 160
Shirley 155
Anne 150
Frank 130
Pam 125
Barbara 85

-----Elevator Riders-----

Name Weight
Tim 250
Bob 250
Tom 210
Steve 180

Total Weight: 1030
Number of Elevator Riders: 4

The best Method was

Coded by

--------------------------------
Process exited after 0.6481 seconds with return value 0
Press any key to continue . . .

Answer 1

CA --Method 1 Name Weight ator Desktop\Chegg) C Ctest.exe 25e Ralph 250 Tim Barbara 85 Dane Steve 180 Tom Mike 165 Shirley 155 Pam Frank 13e 25e 168 21e 125 Name Weight 25e 25e 16e Ralph 250 Tim Barbara 85 ane Total Weight: 965 Number of Elevator Riders: 5 Method 2 Ascending order by Weight: Name Weight Barbara 85 Pam Frank 13e 125 15e Shirley 155 Dane Mike 165 Steve 180 Tom Tim 168 21e 25e 1:35 PM ^恤脈4) ENG 23/04/2019

CA ator Desktop\Chegg) C Ctest.exe Method 2 Ascending order by Weight: Name Weight Barbara 85 Pam Frank 13e 125 15e Shirley 155 Dane Mike 165 Steve 180 Tom Tim Ralph 25e 168 21e 25e Name Weight Barbara 85 Pam Frank 13e 125 15e Shirley 155 Dane Mike 165 Steve 18e 168 Total Weight: 94e Number of Elevator Riders: 8 Method 3 Descending order by Weight Name Weight Tim 25e Ralph 250 25e 21e Tom Steve 180 1:35 PM ^恤脈4) ENG 23/04/2019 D: 318

CN ator Desktop\Chegg) C Ctest.exe Total Weight: 94e Number of Elevator Riders: 8 Method 3 Descending order by Weight Name Weight Tim Ralph 250 Bob Tom Steve 180 Mike 165 Dane Shirley 155 Anne Frank 13e Pam Barbara 85 25e 25e 218 168 15e 125 Name Weight Ralph 250 Bob Tom Steve 18e 25e 218 Total Weight: 975 Number of Elevator Riders: 4 The best Method was Coded by YOUR NAME Process returned e (ex execution time e.307 s Press any key to continue 1:35 PM ^恒脈40 ENG 23/04/2019

there is no error in code it display everything properly you can see i have change the value of Ralph from 305 to 250 and it came into sorting list with method 2.

if you have any doubt then please ask me without any hesitation in the comment section below , if you like my answer then please thumbs up for the answer , before giving thumbs down please discuss the question it may possible that we may understand the question different way and we can edit and change the answers if you argue, thanks :)