Compilare: user.cpp:12:9: warning: integer constant is so large that it is unsigned [enabled by default] smax=-INF; ^ user.cpp: In function ‘int main()’: user.cpp:9:19: warning: unused variable ‘max’ [-Wunused-variable] long long s, a, max, smax; ^ user.cpp:10:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &n); ^ user.cpp:15:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%lld", &a); ^