Compilare: main.cpp: In constructor 'lant::lant(std::vector<int>&)': main.cpp:166:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 166 | for(int i = 0; i < v.size(); i++) | ~~^~~~~~~~~~ main.cpp: In function 'void cit()': main.cpp:17:15: warning: iteration 100003 invokes undefined behavior [-Waggressive-loop-optimizations] 17 | lg[i] = 1 + lg[(i/2)]; | ~~~~~~^~~~~~~~~~~~~~~ main.cpp:15:25: note: within this loop 15 | for ( int i = 2 ; i <= N; i++ ) | ~~^~~~