Compilare: main.cpp: In function 'int main()': main.cpp:39:29: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&n,&t); ^ main.cpp:45:61: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d%d",&v[i].x,&v[i].y,&v[i].z); ^