Source code for ./labs/lab11/middleearth.h (via source-highlight)

#ifndef MIDDLEEARTH_H
#define MIDDLEEARTH_H

#include <iostream>
#include <vector>
#include <string>
#include <unordered_map>
#include <random>

using namespace std;

// see the comments in the lab11 write-up, or in middleearth.cpp

class MiddleEarth {
public:
    MiddleEarth(int xsize, int ysize, int num_cities, int seed);
    void print();
    void printTable();
    float getDistance(const string& city1, const string& city2);
    vector<string> getItinerary(unsigned int length);

private:
    int num_city_names, xsize, ysize;
    unordered_map<string, float> xpos, ypos;
    vector<string> cities;
    unordered_map<string, unordered_map<string, float>> distances;

    mt19937 gen; // Mersenne-Twister random number engine
};

#endif