Compilare: user.cpp: In function ‘int main()’: user.cpp:17:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i <= n; i ++) { ^ user.cpp:43:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = n; j >= last; j --) ^ user.cpp:45:34: warning: format ‘%lld’ expects argument of type ‘long long int’, but argument 3 has type ‘int’ [-Wformat=] fprintf(g, "%lld ", j); ^ user.cpp:10:39: 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); ^