Compilare: user.cpp: In function ‘void insertionSort(Elements*, int)’: user.cpp:8:6: warning: variable ‘ok’ set but not used [-Wunused-but-set-variable] int ok,i,j; ^ user.cpp: In function ‘int main()’: user.cpp:29:43: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘long int*’ [-Wformat=] fscanf(fin,"%d %d",&elem[i].x,&elem[i].y); ^ user.cpp:29:43: warning: format ‘%d’ expects argument of type ‘int*’, but argument 4 has type ‘long int*’ [-Wformat=] user.cpp:21:23: warning: unused variable ‘aux’ [-Wunused-variable] Elements elem[16001],aux; ^ user.cpp:22:8: warning: unused variable ‘j’ [-Wunused-variable] int i,j,n,total=0; ^ user.cpp:27:21: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&n); ^ user.cpp:29:44: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d %d",&elem[i].x,&elem[i].y); ^