Compilare: user.cpp: In function ‘int main()’: user.cpp:52:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%lld%lld%lld",&n,&m,&t); ^ user.cpp:54:51: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d%d",&v[i].p,&v[i].q,&v[i].c); ^ user.cpp:60:51: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d%d",&x[i].x,&x[i].y,&x[i].k); ^