Compilare: user.cpp: In function ‘int main()’: user.cpp:12:27: warning: format ‘%llu’ expects argument of type ‘long long unsigned int*’, but argument 2 has type ‘int*’ [-Wformat=] scanf("%llu%llu",&n,&k); ^ user.cpp:12:27: warning: format ‘%llu’ expects argument of type ‘long long unsigned int*’, but argument 3 has type ‘int*’ [-Wformat=] user.cpp:13:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=2;i*(i-1)<k*2;i++); ^ user.cpp:15:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(m*(m-1)==k*2)q=1; ^ user.cpp:24:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<m+q&&i<n;i++) ^ user.cpp:10:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("farfurii.in","r",stdin); ^ user.cpp:11:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("farfurii.out","w",stdout); ^ user.cpp:12:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%llu%llu",&n,&k); ^