Compilare: main.cpp: In function 'bool nrdiv(int)': main.cpp:19:9: warning: unused variable 'p' [-Wunused-variable] int p=1,cnt=0,d,ok=0; ^ main.cpp:19:21: warning: unused variable 'ok' [-Wunused-variable] int p=1,cnt=0,d,ok=0; ^~ main.cpp: In function 'void ciur()': main.cpp:12:15: warning: iteration 999999 invokes undefined behavior [-Waggressive-loop-optimizations] if(v[i]==0){ ~~~^ main.cpp:11:14: note: within this loop for(i=1;i<=1000001;i++) ~^~~~~~~~~