Compilare: main.cpp: In function 'void Read()': main.cpp:20:31: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] 20 | for(unsigned int i = 0; i < m; i++) | ~~^~~ main.cpp: In function 'void Afis()': main.cpp:82:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 82 | for(int j = 0; j < sol[i].size(); j++) | ~~^~~~~~~~~~~~~~~