Compilare: user.cpp: In function ‘int main()’: user.cpp:11:21: warning: unused variable ‘m’ [-Wunused-variable] int t[50009],i,j,n,m,k,s,smax,ii,jj,begin,end; ^ user.cpp:11:35: warning: variable ‘jj’ set but not used [-Wunused-but-set-variable] int t[50009],i,j,n,m,k,s,smax,ii,jj,begin,end; ^ user.cpp:11:17: warning: ‘j’ may be used uninitialized in this function [-Wmaybe-uninitialized] int t[50009],i,j,n,m,k,s,smax,ii,jj,begin,end; ^ user.cpp:26:21: warning: ‘end’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<begin<<' '<<end<<' '<<smax; ^ user.cpp:26:9: warning: ‘begin’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<begin<<' '<<end<<' '<<smax; ^