Compilare: main.cpp: In function 'bool join(int, int)': main.cpp:195:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 195 | for (int i = 0; i < pu.size(); ++i) { | ~~^~~~~~~~~~~ main.cpp:199:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 199 | if (i + B >= full_path.size()) | ~~~~~~^~~~~~~~~~~~~~~~~~~ main.cpp:201:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 201 | if (i + B >= pu.size()) | ~~~~~~^~~~~~~~~~~~ main.cpp:204:51: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 204 | for (int i = (int)full_path.size() - 1; i >= pu.size(); --i) { | ~~^~~~~~~~~~~~ main.cpp:210:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 210 | if (i - B < pu.size()) | ~~~~~~^~~~~~~~~~~ main.cpp: In function 'bool rem(int, int)': main.cpp:249:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 249 | for (int i = 0; i < pu.size(); ++i) { | ~~^~~~~~~~~~~ main.cpp:254:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 254 | for (int i = pu.size(); i < full_path.size(); ++i) { | ~~^~~~~~~~~~~~~~~~~~