Compilare: main.cpp: In function 'int main()': main.cpp:63:25: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d",&n); ^ main.cpp:65:54: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d%d%d",&v[1].x,&v[1].y,&v[1].z); ^ main.cpp:86:12: warning: 'poz' may be used uninitialized in this function [-Wmaybe-uninitialized] poz=tt[poz]; ~~~^~~~~~~~