Compilare: user.cpp: In function ‘int main()’: user.cpp:29:50: warning: variable ‘sol’ set but not used [-Wunused-but-set-variable] int *queue=new int[n],*vizitat=new int[n],len=1,sol=0,i; ^ user.cpp:51:2: warning: label ‘skip’ defined but not used [-Wunused-label] skip: ^ user.cpp:7:30: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("sate.in","r",stdin); ^ user.cpp:8:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("sate.out","w",stdout); ^ user.cpp:20:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d",&x,&y,&z); ^