Compilare: user.cpp: In function ‘void solve()’: user.cpp:42:31: warning: format ‘%llu’ expects argument of type ‘long long unsigned int*’, but argument 2 has type ‘size_t* {aka unsigned int*}’ [-Wformat=] scanf("%llu", &point_count); ^ user.cpp:42:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%llu", &point_count); ^ user.cpp:46:39: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lf %lf", &it.x, &it.y); ^