Compilare: user.cpp: In function ‘void ReadInput()’: user.cpp:22:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &k); cubes = std::vector<std::vector<int > >(n + 1, std::vector<int >(k)); ^ user.cpp:26:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] int x; scanf("%d", &x); ^ user.cpp: In function ‘void Solve()’: user.cpp:52:36: warning: iteration 100004 invokes undefined behavior [-Waggressive-loop-optimizations] if(current_best < number_best[i] || (current_best == number_best[i] && current_cube > number_idx[i])) { ~~~~~~~~~~~~~^ user.cpp:51:20: note: within this loop for(int i = 1; i <= MAX_VALUE; i++) { ~~^~~~~~~~~~~~