Compilare: main.cpp: In function 'void maxbipmatch()': main.cpp:26:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 26 | for (int j = 0; j < A[0][i].size(); ++ j) { | ~~^~~~~~~~~~~~~~~~ main.cpp:72:39: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 72 | for (int i = 0; i < A[dep][u].size(); ++ i) { | ~~^~~~~~~~~~~~~~~~~~ main.cpp:87:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 87 | for (int i = 0; i < ans.size(); ++ i) { | ~~^~~~~~~~~~~~