Compilare: main.cpp: In function 'int main()': main.cpp:32:36: warning: statement has no effect [-Wunused-value] second_element == false; ~~~~~~~~~~~~~~~^~~~~~~~ main.cpp:48:15: warning: 'Second' may be used uninitialized in this function [-Wmaybe-uninitialized] i = Second - 1; ~~^~~~~~~~~~~~ main.cpp:40:19: warning: 'First' may be used uninitialized in this function [-Wmaybe-uninitialized] if (i - First < best_ans) { ~~^~~~~~~