Compilare: user.cpp: In function ‘int main()’: user.cpp:47:41: warning: format ‘%i’ expects argument of type ‘int*’, but argument 3 has type ‘long long int*’ [-Wformat=] fscanf(in,"%i",&node[nrNode].val); ^ user.cpp:44:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%i",&N); ^ user.cpp:47:42: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%i",&node[nrNode].val); ^