Compilare: main.cpp: In function 'int main()': main.cpp:25:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<p.size();i++) ~^~~~~~~~~ main.cpp: In function 'void ciur()': main.cpp:18:15: warning: iteration 1000005 invokes undefined behavior [-Waggressive-loop-optimizations] if(c[i]==0) ~~~^ main.cpp:17:18: note: within this loop for(int i=0;i<=rad;i++) ^