#include "statistics.h"

using namespace std;
float get_maximum(const char *filename)
{
    ifstream in;
    in.open(filename);

    unsigned size = 1024;
    int *data = new int[size];

    int i = 0;

    while (!in.eof()) {
        in >> data[i];
        i++;
        
        if (i >= size) { // reallocate. Where is realloc in C++?
            size *= 2;
            int *newdata = new int[size];
            for (int j = 0; j <= i; j++)
                newdata[j] = data[j];
            delete data;
            data = newdata;
        }
    }

    i--;
    int max = data[0];
    for (int j = 0; j < i; j++)
        if (data[j] > max)
            max = data[j];

    return max;
}