Compilare: main.cpp: In function 'std::tuple<double, int, int> mr(int)': main.cpp:20:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 20 | for(int i = 0;i < adj_A[L].size(); ++i) | ~~^~~~~~~~~~~~~~~~~ main.cpp:21:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 21 | for(int j = 0;j < adj_B[L].size(); ++j){ | ~~^~~~~~~~~~~~~~~~~