Compilare: user.cpp: In function ‘int main()’: user.cpp:15:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^ user.cpp:19:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%lld",&v[i]); ^ user.cpp:72:18: warning: ‘poz_int’ may be used uninitialized in this function [-Wmaybe-uninitialized] v[poz_int+1]=0; ^ user.cpp:70:18: warning: ‘poz_doi’ may be used uninitialized in this function [-Wmaybe-uninitialized] v[poz_doi+1]=0; ^ user.cpp:13:20: warning: ‘poz_fin’ may be used uninitialized in this function [-Wmaybe-uninitialized] int n,i,poz_in,poz_fin,poz_doi,poz_int; ^ user.cpp:13:13: warning: ‘poz_in’ may be used uninitialized in this function [-Wmaybe-uninitialized] int n,i,poz_in,poz_fin,poz_doi,poz_int; ^