Compilare: main.cpp: In function 'void citire(std::vector<std::vector<int> >&, long long unsigned int&, long long unsigned int&, std::vector<int>&)': main.cpp:17:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0;i < m;i++){ ~~^~~ main.cpp: In function 'void uneste(std::vector<std::vector<int> >&, std::vector<int>&, std::pair<int, int>&, int&, int&, int&, std::vector<std::pair<int, int> >&, std::set<std::pair<int, int> >&)': main.cpp:76:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0;i < comp[unchecked].size();i++){ ~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:103:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0;i < n;i++){ ~~^~~ main.cpp:110:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0;i < comp[0].size();i++) ~~^~~~~~~~~~~~~~~~