Compilare: main.cpp:6:31: warning: overflow in conversion from 'long long int' to 'int' changes value from '-2305843009213693952' to '0' [-Woverflow] 6 | int const N = 1e6 + 3 , inf = -(1LL << 61); | ^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:72:26: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 72 | while(ans.size() < k) | ~~~~~~~~~~~^~~