Compilare: user.cpp: In function ‘int main()’: user.cpp:27:17: warning: unused variable ‘i’ [-Wunused-variable] int t ,sol, i, rst; ^ user.cpp:27:20: warning: unused variable ‘rst’ [-Wunused-variable] int t ,sol, i, rst; ^ user.cpp:29:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d\n",&t); ^ user.cpp:59:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%lld",&x); ^