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tsp.cpp
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tsp.cpp
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#include <iostream>
#include <vector>
#include <algorithm>
#include <ctime>
#include <cassert>
using namespace std;
#include "classes/TSPSolver.h"
double getMiliSecond(int time) {
return 1000.0*time/CLOCKS_PER_SEC;
}
int main () {
std::ios_base::sync_with_stdio(false);
freopen("in.txt", "r", stdin);
freopen("/Applications/XAMPP/xamppfiles/htdocs/tsp-chart/n-time.php", "w", stdout);
cout.precision(2);
cout.setf(ios::fixed);
int n;
cout << "<?php\necho json_encode(array(\n\t'data' => ";
cout << "[" << endl;
cout << "[\"Input Size\", \"Exponential Method\", \"Branch and Bound\", \"2-Approximation\"]," << endl;
vector <int> input[3];
while (cin >> n) {
vector <vector <int> > mat(n, vector<int>(n, 0));
for (int i = 0; i < n; ++i) {
for (int j = 0; j < n; ++j) {
cin >> mat[i][j];
}
}
TSPSolver tsp(mat);
cout << "[";
cout << n;
if (n < 12) {
pair <int, int> ex = tsp.solveExp();
cout << "," << getMiliSecond(ex.y);
} else {
cout << ", null";
}
if (n < 14) {
pair <int, int> bnb = tsp.solveBnB();
cout << "," << getMiliSecond(bnb.y);
input[0].push_back(n);
input[1].push_back(bnb.x);
} else {
cout << ", null";
}
pair <int, int> apx = tsp.solve2Apx();
cout << "," << getMiliSecond(apx.y);
if (n < 14) {
input[2].push_back(apx.x);
}
cout << "]," << endl;
}
cout << "]));" << endl;
fclose(stdout);
freopen("/Applications/XAMPP/xamppfiles/htdocs/tsp-chart/solution.php", "w", stdout);
cout << "<?php\necho json_encode(array(\n\t'data' => ";
cout << "[" << endl;
cout << "[\"Input Size\", \"Exact Solution\", \"2-Approximation\"]," << endl;
for (int i = 0; i < int(input[0].size()); ++i) {
cout << "[";
cout << input[0][i];
cout << ", ";
cout << input[1][i];
cout << ", ";
cout << input[2][i];
cout << "]," << endl;
}
cout << "]));" << endl;
fclose(stdout);
freopen("/Applications/XAMPP/xamppfiles/htdocs/tsp-chart/apx-ratio.php", "w", stdout);
cout << "<?php\necho json_encode(array(\n\t'data' => ";
cout << "[" << endl;
cout << "[\"Input Size\", \"Approximation Ratio\"]," << endl;
for (int i = 0; i < int(input[0].size()); ++i) {
cout << "[";
cout << input[0][i];
cout << ", ";
cout << 1.0 * input[2][i] / input[1][i];
cout << "]," << endl;
}
cout << "]));" << endl;
return 0;
}