Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:31:5: error: ‘N’ was not declared in this scope N = min(n * n, 500000) ^ user.cpp:32:5: error: expected ‘;’ before ‘for’ for(int i = 1; i <= N; ++i) ^ user.cpp:32:20: error: ‘i’ was not declared in this scope for(int i = 1; i <= N; ++i) ^ user.cpp:32:31: error: expected ‘;’ before ‘)’ token for(int i = 1; i <= N; ++i) ^ user.cpp:26:16: warning: unused variable ‘ok’ [-Wunused-variable] int x = 0, ok = 0, a = 0, b = 0; ^ user.cpp:26:24: warning: unused variable ‘a’ [-Wunused-variable] int x = 0, ok = 0, a = 0, b = 0; ^ user.cpp:26:31: warning: unused variable ‘b’ [-Wunused-variable] int x = 0, ok = 0, a = 0, b = 0; ^ user.cpp:42:1: error: expected ‘}’ at end of input } ^