Compilare: main.c: In function 'main': main.c:32:23: warning: format '%d' expects argument of type 'int', but argument 3 has type 'long long int' [-Wformat=] fprintf( fout, "%I64d %d %d", max, st + 1, dr + 1 ); ^ main.c:13:3: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d", &n, &nr ); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:16:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &nr ); ^~~~~~~~~~~~~~~~~~~~~~~~