feat(bfs, backtracking): new problem formated

sliding-puzzle/src/generator.cpp

@@ -0,0 +1,73 @@
+#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;
+}