Compilare: main.cpp: In function 'int main()': main.cpp:51:37: warning: format '%Lf' expects argument of type 'long double*', but argument 3 has type 'double*' [-Wformat=] fscanf(fin, "%Lf%Lf", &x, &y); ^ main.cpp:51:37: warning: format '%Lf' expects argument of type 'long double*', but argument 4 has type 'double*' [-Wformat=] main.cpp:47:26: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &n); ^ main.cpp:51:38: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%Lf%Lf", &x, &y); ^