Compilare: user.cpp: In function ‘int main()’: user.cpp:16:17: warning: unused variable ‘s’ [-Wunused-variable] int T,n,v,r,s,ans,u=0,rmax=0; ^ user.cpp:16:23: warning: unused variable ‘u’ [-Wunused-variable] int T,n,v,r,s,ans,u=0,rmax=0; ^ user.cpp:16:27: warning: unused variable ‘rmax’ [-Wunused-variable] int T,n,v,r,s,ans,u=0,rmax=0; ^ user.cpp:14:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("progresii2.in","r",stdin); ^ user.cpp:15:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("progresii2.out","w",stdout); ^ user.cpp:17:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&T); ^ user.cpp:20:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&v,&n); ^