Compilare: main.cpp: In function 'void afisare()': main.cpp:24:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j=0 ; j<v[i].size() ; j++) ~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:44:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0 ; i<v[nod].size();i++) ~^~~~~~~~~~~~~~ main.cpp:59:4: warning: this 'else' clause does not guard... [-Wmisleading-indentation] else ^~~~ main.cpp:61:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'else' return 0; ^~~~~~ main.cpp:33:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen ("bfs.in","r",stdin); ^ main.cpp:34:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen ("bfs.out","w",stdout); ^