Compilare: main.cpp: In function 'int main()': main.cpp:41:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<v.size();j++) ~^~~~~~~~~ main.cpp:45:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j==v.size()) sum+=i; ~^~~~~~~~~~ main.cpp: In function 'void ciur()': main.cpp:14:21: warning: iteration 100008 invokes undefined behavior [-Waggressive-loop-optimizations] if(!compus[i]) ~~~~~~~~^ main.cpp:12:18: note: within this loop for(int i=2;i<=N;i++) ~^~~