Compilare: main.cpp: In function 'void solve_test()': main.cpp:89:6: warning: 'sink' may be used uninitialized [-Wmaybe-uninitialized] 89 | bfs(sink); | ~~~^~~~~~ main.cpp:80:13: note: 'sink' was declared here 80 | int root, sink; | ^~~~ main.cpp:93:6: warning: 'root' may be used uninitialized [-Wmaybe-uninitialized] 93 | dfs(root); | ~~~^~~~~~ main.cpp:80:7: note: 'root' was declared here 80 | int root, sink; | ^~~~