Answer:
reverse-order.cpp
#include<iostream>
#include <fstream>
#include <cstdlib>
#include <climits>
#include <sstream>
using namespace std;
#include <vector>
int main()
{
ifstream fin("Current_Reservoir_Levels.tsv");
if (fin.fail())
{//check whether file exists or not
cerr << "File cannot be opened for reading." << endl;
exit(1);
}
//declare two vectors
vector<string> Date;
vector<float> westElVec;
string header;
getline(fin, header); // read one line from the file
string dateArr[365], date;
double eastSt, eastEl, westSt, westEl;
string date1, date2;
cout << "Enter starting date: ";
cin >> date1; // getting starting date from user
cout << "Enter ending date: ";
cin >> date2; // getting ending date from user
int count = 0;
while (fin >> date >> eastSt >> eastEl >> westSt >> westEl)
{
fin.ignore(INT_MAX, '\n'); //skips to the end of line,
//get the record from file
//check if data is between the start and end or not
if (date1 <= date && date2 >= date)
{//insert the data
Date.push_back(date);
westElVec.push_back( westEl);
count++;
}
}
//sort the data by date indecending order
for (int i = 0; i < count; ++i)
{
for (int j = 0; j < count - i - 1; ++j)
{
// Comparing consecutive dates
if (Date[j] < Date[j + 1])
{
////swap West basin elevation
//double twestElVec = westElVec[j];
//westElVec[j] = westElVec[j + 1];
//westElVec[j + 1] = twestElVec;
//swap dates
string tDate = Date[j];
Date[j] = Date[j + 1];
Date[j + 1] = tDate;
}
}
}
for (int i = 0; i < count; i++)
cout << Date[i] << "\t" << westElVec[i] <<"ft"<< endl;
fin.close();
//system("pause");
return 0;
}
Explanation:
