Compilare: main.cpp: In function 'void Solve()': main.cpp:50:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<bool>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 50 | for (int i = 0; i < viz.size(); i++) { | ~~^~~~~~~~~~~~ main.cpp:56:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<bool>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 56 | for (int i = 0; i < viz.size(); i++) { | ~~^~~~~~~~~~~~ main.cpp:63:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<bool>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 63 | for (int i = 0; i < viz.size(); i++) { | ~~^~~~~~~~~~~~