feat(bfs): new problem formated

This commit is contained in:
2025-11-05 23:33:57 -03:00
parent 3db23b4f54
commit e4a9cd474f
20 changed files with 6672 additions and 0 deletions

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#include <bits/stdc++.h>
using namespace std;
int main()
{
int n, m;
cin >> n >> m;
string beginWord, endWord;
cin >> beginWord >> endWord;
unordered_set<string> words;
for (int i = 0; i < n; i++)
{
string s;
cin >> s;
words.insert(s);
}
words.insert(beginWord);
unordered_map<string, list<string>> adj;
for (auto &word : words)
{
for (int j = 0; j < m; j++)
{
string aux = word;
for (char c = 'a'; c <= 'z'; c++)
{
aux[j] = c;
if (words.count(aux))
{
adj[word].push_back(aux);
}
}
}
}
queue<string> q;
unordered_set<string> seen;
q.push(beginWord);
seen.insert(beginWord);
int depth = 1;
while (!q.empty())
{
int nodes = q.size();
while (nodes--)
{
string s = q.front();
q.pop();
if (s == endWord)
{
cout << depth << endl;
return 0;
}
for (auto &t : adj[s])
{
if (!seen.count(t))
{
q.push(t);
seen.insert(t);
}
}
}
depth++;
}
cout << 0 << endl;
return 0;
}

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#include "testlib.h"
#include <bits/stdc++.h>
using namespace std;
int main(int argc, char* argv[]) {
setName("compare two signed int%d's", 8 * int(sizeof(int)));
registerTestlibCmd(argc, argv);
int ja = ans.readInt();
int pa = ouf.readInt();
if (ja != pa)
quitf(_wa, "expected %d, found %d", ja, pa);
quitf(_ok, "answer is %d", ja);
}

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#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(int x, int y) {
ostringstream oss;
oss << x << " " << y << endl;
return oss.str();
}
string my_output_tc(int n, int m, const string &s, const string &e, const vector<string>& dict) {
ostringstream oss;
oss << n << " " << m << endl;
oss << s << " " << e << endl;
for (auto &s : dict) {
oss << s << endl;
}
return oss.str();
}
vector<string> generate_sample_tests() {
vector<string> tests;
tests.push_back(my_output_tc(6, 3, "mao", "sol", {"cao", "sal", "sao", "sai", "mel", "sol"}));
tests.push_back(my_output_tc(7, 4, "lata", "fogo", {"lido", "lapa", "lava", "fava", "fogo", "lago", "logo"}));
return tests;
}
vector<string> generate_manual_tests() {
vector<string> tests;
tests.push_back(output_tc(100, 0));
tests.push_back(output_tc(0, 100));
return tests;
}
string rnd_test(int i){
int min_n = MIN_N;
int max_n = MAX_N;
if(i<rnd_test_n / 3){
max_n = 5;
}
else if(i<rnd_test_n / 2){
max_n = 20;
}
int x = rnd.next(min_n, max_n);
int y = rnd.next(min_n, max_n);
return(output_tc(x, y));
}
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(100, 100));
}
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;
}

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generator

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#include "testlib.h"
#include <bits/stdc++.h>
using namespace std;
int main(int argc, char* argv[]) {
registerValidation(argc, argv);
int n = inf.readInt(1, 5000, "n");
inf.readSpace();
int m = inf.readInt(1, 10, "m");
inf.readEoln();
string wordPattern = "[a-z]{" + to_string(m) + "}";
string start = inf.readToken(wordPattern, "palavraInicial");
inf.readSpace();
string end = inf.readToken(wordPattern, "palavraFinal");
inf.readEoln();
unordered_set<string> seen;
for (int i = 0; i < n; i++) {
string s = inf.readToken(wordPattern);
ensuref(seen.count(s) == 0, "As palavras do dicionario do CFG devem ser unicas");
seen.insert(s);
inf.readEoln();
}
inf.readEof();
return 0;
}