Compilare: user.cpp: In function ‘int main()’: user.cpp:58:34: warning: unused variable ‘semntemp’ [-Wunused-variable] int i,j,k,t,semn[nmax],lt,lg,semntemp; float a,b,c; ^ user.cpp:59:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^ user.cpp:61:42: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%f %f",&p[i].x,&p[i].y); ^ user.cpp:64:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&m); ^ user.cpp:66:42: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%f %f",&q[i].x,&q[i].y); ^