Compilare: main.cpp: In function 'void dfs(int, bool*)': main.cpp:76:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<leg>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 76 | for(int i = 0; i < vv[x].size(); i++) { | ~~^~~~~~~~~~~~~~ main.cpp: In function 'void dfs2(int, std::pair<int, int>*, int, int)': main.cpp:93:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<leg>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 93 | for(int i = 0; i < vv[x].size(); i++) { | ~~^~~~~~~~~~~~~~ main.cpp: In function 'void dfs3(int, int*, int)': main.cpp:122:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<leg>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 122 | for(int i = 0; i < vv[x].size(); i++) { | ~~^~~~~~~~~~~~~~ main.cpp: In function 'void print2(std::pair<int, int>*)': main.cpp:117:17: warning: 'maxi' may be used uninitialized in this function [-Wmaybe-uninitialized] 117 | fout << viz[maxi].first << "\n" << viz[maxi].second; | ^~~~