Compilare: user.cpp: In function ‘int read()’: user.cpp:75:11: warning: unused variable ‘t0’ [-Wunused-variable] int i,t0,t1,t2,t3; ^ user.cpp:75:14: warning: unused variable ‘t1’ [-Wunused-variable] int i,t0,t1,t2,t3; ^ user.cpp:75:17: warning: unused variable ‘t2’ [-Wunused-variable] int i,t0,t1,t2,t3; ^ user.cpp:107:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int putere_pe_biti(int, int)’: user.cpp:62:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&p); ^ user.cpp: In function ‘int read()’: user.cpp:76:33: 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:77:35: 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:78:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&T); ^ user.cpp:81:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&n,&k); ^ user.cpp:86:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&n,&k); ^