Compilare: user.cpp: In function ‘int main()’: user.cpp:122:12: warning: unused variable ‘k’ [-Wunused-variable] double k,q; ^ user.cpp:122:14: warning: unused variable ‘q’ [-Wunused-variable] double k,q; ^ user.cpp: In function ‘void verificare()’: user.cpp:28:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in2,"%s",w); ^ user.cpp: In function ‘int main()’: user.cpp:119:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&n); ^ user.cpp:133:45: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%lf %lf",&v[i].x,&v[i].y); ^