Compilare: main.cpp: In function 'void afisare()': main.cpp:94:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 94 | for(i = 0; i < sol.size() - 1; ++i) | ~~^~~~~~~~~~~~~~~~ main.cpp:111:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 111 | else for(i = 1; i < sol.size() - 2; ++i) | ~~^~~~~~~~~~~~~~~~