Compilare: user.cpp: In function ‘void bfs1()’: user.cpp:48:17: warning: unused variable ‘fbx’ [-Wunused-variable] int fbx = vecini[x][i]; ^ user.cpp: In function ‘void bfs2()’: user.cpp:73:17: warning: unused variable ‘fbx’ [-Wunused-variable] int fbx = vecini[x][i]; ^ user.cpp: In function ‘void citire()’: user.cpp:18:50: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d %d", &n, &m, &start, &finish); ^ user.cpp:24:37: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &tmp1, &tmp2); ^ user.cpp: In function ‘int main()’: user.cpp:149:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("graf.in", "r", stdin); ^ user.cpp:150:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("graf.out", "w", stdout); ^