Compilare: user.cpp: In function ‘int main()’: user.cpp:69:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&teste); ^ user.cpp:73:57: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d%d%d%d%d%d%d",&a,&b,&c,&x,&y,&z,&n); ^