Compilare: main.cpp: In function 'int zero(int)': main.cpp:21:6: warning: unused variable 'cnt' [-Wunused-variable] 21 | int cnt = 0, x = fv[5], y = fv[2]; | ^~~ main.cpp: In function 'int main()': main.cpp:54:44: warning: iteration 99999999 invokes undefined behavior [-Waggressive-loop-optimizations] 54 | for (int i = 1; i <= 100000000; i++) v[i] = i; | ~~~~~^~~ main.cpp:54:20: note: within this loop 54 | for (int i = 1; i <= 100000000; i++) v[i] = i; | ~~^~~~~~~~~~~~