Compilare: user.cpp: In function ‘int vef()’: user.cpp:73:9: warning: unused variable ‘tip’ [-Wunused-variable] int tip,ans=1,p=3; ^ user.cpp: In function ‘int read()’: user.cpp:96:22: warning: unused variable ‘p’ [-Wunused-variable] int t0,t1,t2,p; ^ user.cpp:84:11: warning: unused variable ‘t0’ [-Wunused-variable] int i,t0,t1,t2,t3; ^ user.cpp:84:14: warning: unused variable ‘t1’ [-Wunused-variable] int i,t0,t1,t2,t3; ^ user.cpp:84:17: warning: unused variable ‘t2’ [-Wunused-variable] int i,t0,t1,t2,t3; ^ user.cpp:117:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp:85:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("2sah.in","r",stdin); ^ user.cpp:86:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("2sah.out","w",stdout); ^ user.cpp:87:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&T); ^ user.cpp:90:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&n,&k); ^ user.cpp:95:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&n,&k); ^