Compilare: main.cpp: In function 'void mark(int, int, int, bool)': main.cpp:44:13: warning: unused variable 'copie' [-Wunused-variable] 44 | int copie=traseuMax[x][y]; | ^~~~~ main.cpp:64:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 64 | for(int i=0;i<lista.size();i++) | ~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:87:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 87 | for(register int i=0;i<SOL.size();i++) | ~^~~~~~~~~~~