Compilare: user.cpp: In function ‘int main()’: user.cpp:10:22: warning: format ‘%lld’ expects argument of type ‘long long int*’, but argument 3 has type ‘long long int’ [-Wformat=] fscanf(f,"%lld",t); ^ user.cpp:10:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%lld",t); ^ user.cpp:14:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%s",c); ^