Compilare: main.c: In function 'main': main.c:33:21: warning: format '%lld' expects argument of type 'long long int', but argument 3 has type 'int' [-Wformat=] fprintf(out, "%lld\n", FOUND == 1 ? GLOBAL_SOL : -1); ^ main.c:20:3: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%*c", &t); ^~~~~~~~~~~~~~~~~~~~~~~~ main.c:26:4: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%*c%d%*c", &n, &p); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~