Eroare de compilare: main.cpp: In function 'int bfs(int, int)': main.cpp:84:9: warning: unused variable 'ans' [-Wunused-variable] 84 | int ans = 0; | ^~~ main.cpp: In instantiation of 'void Graph<N, E, DE>::append_bi(int, int, int) [with int N = 30001; int E = 200050; int DE = 100025]': main.cpp:109:28: required from here main.cpp:50:15: error: no matching function for call to 'Graph<30001, 200050, 100025>::append(int&, int&)' 50 | append(u, v); | ~~~~~~^~~~~~ main.cpp:33:10: note: candidate: 'void Graph<N, E, DE>::append(int, int, int) [with int N = 30001; int E = 200050; int DE = 100025]' 33 | void append(int u, int v, int edge_idx) { | ^~~~~~ main.cpp:33:10: note: candidate expects 3 arguments, 2 provided main.cpp:51:15: error: no matching function for call to 'Graph<30001, 200050, 100025>::append(int&, int&)' 51 | append(v, u); | ~~~~~~^~~~~~ main.cpp:33:10: note: candidate: 'void Graph<N, E, DE>::append(int, int, int) [with int N = 30001; int E = 200050; int DE = 100025]' 33 | void append(int u, int v, int edge_idx) { | ^~~~~~ main.cpp:33:10: note: candidate expects 3 arguments, 2 provided main.cpp:82:47: warning: control reaches end of non-void function [-Wreturn-type] 82 | std::queue<std::pair<int, int>> q{{{x, 0}}}; | ^ Non zero exit status: 1