Compilare: main.cpp: In function 'int main()': main.cpp:59:41: warning: format '%lld' expects argument of type 'long long int', but argument 3 has type 'int' [-Wformat=] fprintf (fout, "%lld", put2(3, k-1) ) ; ^ main.cpp:57:48: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%lld%lld%lld", &tip, &n2, &k ) ; ^