Compilare: user.cpp: In function ‘void BFS(int)’: user.cpp:44:9: warning: unused variable ‘i’ [-Wunused-variable] int i, j, c[1001]={0}, pr, ul, d[1001]={0}, y, viz[1001]={0}; ^ user.cpp:44:12: warning: unused variable ‘j’ [-Wunused-variable] int i, j, c[1001]={0}, pr, ul, d[1001]={0}, y, viz[1001]={0}; ^ user.cpp: In function ‘void Citire()’: user.cpp:29:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d%d", &n, &m); ^ user.cpp:32:40: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%d%d%d", &x, &y, &d); ^