Compilare: user.cpp: In function ‘int main()’: user.cpp:48:45: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘double*’ [-Wformat=] fscanf(in, "%d %d", &P[i].x, &P[i].y); ^ user.cpp:48:45: warning: format ‘%d’ expects argument of type ‘int*’, but argument 4 has type ‘double*’ [-Wformat=] user.cpp:46:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &N); ^ user.cpp:48:46: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d %d", &P[i].x, &P[i].y); ^