Compilare: main.cpp: In function 'bool ok(int, int)': main.cpp:56:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 56 | return l - (start + 1) + 1 >= g[nod].size(); | ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~ main.cpp: In function 'void dfs(int, int)': main.cpp:81:27: warning: 'sol' may be used uninitialized in this function [-Wmaybe-uninitialized] 81 | d[nod][i] = start + sol; | ~~~~~~^~~~~