Compilare: main.cpp: In function 'int main()': main.cpp:58:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 58 | while (lgs[i] < sotie[i].size() && sotie[i][lgs[i]].first == t) ///intersectie cu sotia | ~~~~~~~^~~~~~~~~~~~~~~~~