Compilare: user.c: In function ‘main’: user.c:16:22: warning: format ‘%llu’ expects argument of type ‘long long unsigned int *’, but argument 3 has type ‘int *’ [-Wformat=] fscanf(fin,"%llu",&N); ^ user.c:12:3: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&T); ^~~~~~~~~~~~~~~~~~~ user.c:16:7: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%llu",&N); ^~~~~~~~~~~~~~~~~~~~~