Compilare: user.cpp: In function ‘int main()’: user.cpp:55:37: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘char*’ [-Wformat=] fscanf(fin,"%d%hd%hd",&val,&n,&k); ^ user.cpp:55:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%hd%hd",&val,&n,&k); ^ user.cpp:58:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%u",&v[i]); ^