Compilare: main.cpp: In function 'int main()': main.cpp:94:45: warning: use of 'll' length modifier with 'f' type character has either no effect or undefined behavior [-Wformat=] fprintf(fout,"%llf",FindMinDist(Px,Py,n)); ^ main.cpp:84:24: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&n); ^ main.cpp:87:43: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&Px[i].x,&Px[i].y); ^