Compilare: main.cpp: In function 'int main()': main.cpp:30:19: warning: iteration 20004 invokes undefined behavior [-Waggressive-loop-optimizations] while(v1[i]) { ~~~~^ main.cpp:27:22: note: within this loop for(int i = 1; i <= 30001; i++) { ~~^~~~~~~~ main.cpp:19:18: warning: iteration 20004 invokes undefined behavior [-Waggressive-loop-optimizations] cnt+=v1[i]; ~~~~^ main.cpp:18:18: note: within this loop for(int i=1;i<=30001;i++) { ~^~~~~~~