Compilare: user.cpp: In function ‘void cit()’: user.cpp:33:43: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fi, "%lf %d %d\n", &S, &N, &Z); ^ user.cpp:37:31: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets (s, dimline, fi); ^ user.cpp: In function ‘int main()’: user.cpp:92:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fi, "%d", &T); ^