jack_and_jill_v3.cpp

#include <iostream>
#include <vector>

#include "get_jack_and_jill_data.h"

using namespace std;

// return a pointer to the element in [first,last) that has the highest value
template<class Iterator>
Iterator high(Iterator first, Iterator last) {
    Iterator high = first;
    for (Iterator p = first; p != last; ++p)
        if (*high < *p) high = p;
    return high;
}

// Jack and Jill are each measuring vehicle speeds, which they record as floating-point values.
// Find and print the element with the highest value in each data set.
int main() {
    int jack_count = 0;
    double* jack_data = get_from_jack(&jack_count);
    vector<double>* jill_data = get_from_jill();

    double* jack_high = high(jack_data, jack_data + jack_count);
    auto jill_high = high(jill_data->begin(), jill_data->end());
    cout << "Jill's max: " << *jill_high
            << "; Jack's max: " << *jack_high;

    delete[] jack_data;
    delete jill_data;
    return 0;
}