feat(bfs): new problem formated

conversor-fonetico-generico/src/validator.cpp

@@ -0,0 +1,31 @@
+#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;
+}