Compilare: main.cpp: In function 'void go(long long int)': main.cpp:20:42: warning: format '%d' expects argument of type 'int', but argument 3 has type 'long long int' [-Wformat=] fprintf (fout, "%d %d\n", ct, sum); ^ main.cpp:20:42: warning: format '%d' expects argument of type 'int', but argument 4 has type 'long long int' [-Wformat=] main.cpp: In function 'int main()': main.cpp:28:29: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%lld", &n); ^ main.cpp:30:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%lld", &x); ^