Compilare: user.cpp: In function ‘void solve()’: user.cpp:41:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(tmp > k) ^ user.cpp:47:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(tmp <= k) ^ user.cpp: In function ‘int main()’: user.cpp:4:40: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] #define citire(); scanf("%d%d", &n, &k); ^ user.cpp:66:5: note: in expansion of macro ‘citire’ citire(); ^