Compilare: main.cpp: In function 'int main()': main.cpp:73:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 73 | for(int i=1;i<ans.size();i++)fout<<ans[i]<<"\n"; | ~^~~~~~~~~~~ main.cpp:45:14: warning: iteration 100004 invokes undefined behavior [-Waggressive-loop-optimizations] 45 | t[i] = i; | ~~~~~^~~ main.cpp:43:23: note: within this loop 43 | for (int i = 1; i <= NMAX; i++) | ~~^~~~~~~