Compilare: user.cpp: In function ‘int get(int, int)’: user.cpp:35:9: warning: unused variable ‘rez’ [-Wunused-variable] int rez=0; ^ user.cpp: In function ‘int main()’: user.cpp:85:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&n); ^ user.cpp:89:42: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d%d",&v[i].x,&v[i].y); ^