Compilare: user.cpp: In function ‘int main()’: user.cpp:28:26: warning: format ‘%hu’ expects argument of type ‘short unsigned int*’, but argument 4 has type ‘int*’ [-Wformat=] fscanf(f,"%hu %hu", &n,&k); ^ user.cpp:26:9: warning: unused variable ‘c’ [-Wunused-variable] int c; ^ user.cpp:28:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%hu %hu", &n,&k); ^ user.cpp:32:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%hu %hu", &x,&y); ^