Compilare: main.cpp: In function 'int Cauta(int)': main.cpp:46:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 46 | for(i = 1; i < sol.size(); i++) | ~~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:76:17: warning: 'poz' may be used uninitialized [-Wmaybe-uninitialized] 76 | fout << poz; | ^~~ main.cpp:58:21: note: 'poz' was declared here 58 | int st, dr, poz, mij; | ^~~