Compilare: main.cpp: In function 'long long int f(int)': main.cpp:28:12: warning: unused variable 'b' [-Wunused-variable] 28 | for (int b=0; y > k; l++){ | ^ main.cpp: In function 'int main()': main.cpp:60:16: warning: format '%lld' expects argument of type 'long long int', but argument 2 has type 'int' [-Wformat=] 60 | printf("%lld", solve(u,l)); | ~~~^ ~~~~~~~~~~ | | | | | int | long long int | %d