Compilare: main.cpp: In function 'int getsol(int, int)': main.cpp:55:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 55 | for(int i=0;i<ma[a].size()&&i<mb[b].size();i++) | ~^~~~~~~~~~~~~ main.cpp:55:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 55 | for(int i=0;i<ma[a].size()&&i<mb[b].size();i++) | ~^~~~~~~~~~~~~