Compilare: user.cpp: In function ‘int main()’: user.cpp:10:50: warning: variable ‘x2’ set but not used [-Wunused-but-set-variable] int n,i,smax,dmax,lmax=-99999999,sinit,x,s=0,x2,k; ^ user.cpp:11:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&n,&k); ^ user.cpp:17:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&x); ^ user.cpp:27:18: warning: ‘sinit’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (i-sinit+1>k) ^