Compilare: user.cpp: In function ‘int main()’: user.cpp:105:13: warning: unused variable ‘ii’ [-Wunused-variable] int i,j,ii,jj,p,t1,t2,nr=0,cnt=0; ^ user.cpp:105:16: warning: unused variable ‘jj’ [-Wunused-variable] int i,j,ii,jj,p,t1,t2,nr=0,cnt=0; ^ user.cpp:108:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&p); ^ user.cpp:109:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d %d",&N,&K); ^ user.cpp:112:52: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%lf %lf",&v[j][i].x,&v[j][i].y); ^