Compilare: main.c: In function 'main': main.c:16:28: warning: format '%lli' expects argument of type 'long long int', but argument 3 has type 'int' [-Wformat=] fprintf(g, "%lli ", i); ^ main.c:36:32: warning: format '%lli' expects argument of type 'long long int', but argument 3 has type 'int' [-Wformat=] fprintf(g, "%lli ", i); ^ main.c:10:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%lli%lli", &n, &k); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~