Compilare: user.cpp: In function ‘int main()’: user.cpp:29:38: warning: format ‘%lld’ expects argument of type ‘long long int’, but argument 3 has type ‘std::unordered_map<long long int, long long int>::size_type {aka unsigned int}’ [-Wformat=] fprintf(outfile,"%lld\n",t.size()); ^ user.cpp:14:25: warning: unused variable ‘aux’ [-Wunused-variable] long long timp,bani,aux; ^ user.cpp:16:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(infile,"%d",&n); ^ user.cpp:20:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(infile,"%d",&m); ^ user.cpp:24:50: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(infile,"%lld%lld",&timp,&bani); ^