Compilare: user.cpp: In function ‘long long int solve(long long int)’: user.cpp:23:39: warning: variable ‘maxim’ set but not used [-Wunused-but-set-variable] long long answer = 0; int nr = 0, maxim = 0; ^ user.cpp: In function ‘int main()’: user.cpp:59:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( input_file, "%d", &T ); ^ user.cpp:62:50: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( input_file, "%lld %lld", &A, &B ); ^