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:16:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0;i < m;i++){ ~~^~~ main.cpp: In function 'int main()': main.cpp:76:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0;i < n;i++){ ~~^~~ main.cpp:84:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0;i < comp[0].size() && unchecked < comp.size() && k < compCounter - 2;i++){ ~~^~~~~~~~~~~~~~~~ main.cpp:84:51: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0;i < comp[0].size() && unchecked < comp.size() && k < compCounter - 2;i++){ ~~~~~~~~~~^~~~~~~~~~~~~