Eroare de compilare: user.cpp: In function ‘void SSND()’: user.cpp:38:20: error: ‘sqrt’ was not declared in this scope int sz=sqrt(N+1)+1 ^ user.cpp:39:17: error: ‘i’ was not declared in this scope for(int i=1;i<=P[0] && 1LL*P[i]*P[i]<=N;++i) ^ user.cpp:39:48: error: expected ‘;’ before ‘)’ token for(int i=1;i<=P[0] && 1LL*P[i]*P[i]<=N;++i) ^ user.cpp:38:9: warning: unused variable ‘sz’ [-Wunused-variable] int sz=sqrt(N+1)+1 ^