Compilare: user.cpp: In function ‘int main()’: user.cpp:14:29: warning: too many arguments for format [-Wformat-extra-args] fscanf(f,"%d%d",&n,&m,&p); ^ user.cpp:14:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&n,&m,&p); ^ user.cpp:18:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&x); ^