Compilare: user.cpp: In function ‘int main()’: user.cpp:6:52: warning: unused variable ‘last’ [-Wunused-variable] int n, sc,scurent, smax = -999999999, elem, first, last, maxlast, lastc, firstc, maxfirst; ^ user.cpp:6:58: warning: variable ‘maxlast’ set but not used [-Wunused-but-set-variable] int n, sc,scurent, smax = -999999999, elem, first, last, maxlast, lastc, firstc, maxfirst; ^ user.cpp:6:67: warning: unused variable ‘lastc’ [-Wunused-variable] int n, sc,scurent, smax = -999999999, elem, first, last, maxlast, lastc, firstc, maxfirst; ^ user.cpp:6:82: warning: variable ‘maxfirst’ set but not used [-Wunused-but-set-variable] int n, sc,scurent, smax = -999999999, elem, first, last, maxlast, lastc, firstc, maxfirst; ^ user.cpp:8:28: 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:11:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &elem); ^