Compilare: user.cpp: In function ‘int main()’: user.cpp:37:20: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (X % 2) ^ user.cpp:66:24: warning: statement has no effect [-Wunused-value] NR << 1; ^ user.cpp:75:36: warning: statement has no effect [-Wunused-value] NR << 1; ^ user.cpp:15:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &T, &N); ^ user.cpp:19:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &X); ^