problemas-para-competicao-pibiti-arthur-dolival/sliding-puzzle/src/generator.cpp

#include "testlib.h"
#include <bits/stdc++.h>

using namespace std;

const int MIN_N = 0;
const int MAX_N = 100;

const int rnd_test_n = 100;

template <typename T> void append(vector<T> &dest, const vector<T> &orig) {
	dest.insert(dest.end(), orig.begin(), orig.end());
}

string output_tc(string top, string bottom) {
	ostringstream oss;
    oss << top << endl << bottom << endl;
	return oss.str();
}

vector<string> generate_sample_tests() {
	vector<string> tests;
    tests.push_back(output_tc("412", "503"));
    tests.push_back(output_tc("123", "540"));
    tests.push_back(output_tc("123", "405"));
	return tests;
}

vector<string> generate_manual_tests() {
	vector<string> tests;
	tests.push_back(output_tc("413", "025"));
	tests.push_back(output_tc("152", "403"));
	return tests;
}

string rnd_test(int i){
    string start = "012345";
    while (i-- && next_permutation(start.begin(), start.end())) {}
    return output_tc(start.substr(0, 3), start.substr(3));
}

vector<string> generate_random_tests() { 
    vector<string> tests;
    for (int i = 0; i < rnd_test_n; i++){
        tests.push_back(rnd_test(i));
    } 
    return tests;
}

string extreme_test_1(){
    return(output_tc("123", "450"));
}

vector<string> generate_extreme_tests(){
    vector<string> tests;   
    tests.push_back(extreme_test_1());
    return tests;
}

int main(int argc, char *argv[]) {
	registerGen(argc, argv, 1);
	vector<string> tests;
	size_t test = 0;
	append(tests, generate_sample_tests());
	append(tests, generate_manual_tests());
	append(tests, generate_random_tests());
	append(tests, generate_extreme_tests());
	for (const auto &t : tests) {
		startTest(++test);
		cout << t;
	}
	return 0;
}