Compilare: user.cpp: In function ‘int main()’: user.cpp:20:9: warning: ‘N’ may be used uninitialized in this function [-Wmaybe-uninitialized] while (a<=N) ^ user.cpp:25:7: warning: ‘x’ may be used uninitialized in this function [-Wmaybe-uninitialized] } while(x<P); ^ user.cpp:23:18: warning: ‘s’ may be used uninitialized in this function [-Wmaybe-uninitialized] a=a*5; ^