Compilare: user.cpp: In function ‘int main()’: user.cpp:99:13: warning: unused variable ‘i2’ [-Wunused-variable] for(int i2 = i-1;i>=0;i--) ^ user.cpp:16:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&n,&m); ^ user.cpp:17:50: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d%d",&start.x,&start.y,&start.z); ^ user.cpp:18:56: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d%d",&sfarsit.x,&sfarsit.y,&sfarsit.z); ^ user.cpp:21:48: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d%d",&aux.z,&aux.x,&aux.y); ^