Compilare: user.cpp: In function ‘int main()’: user.cpp:18:10: warning: unused variable ‘c’ [-Wunused-variable] char c; ^ user.cpp:19:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%hd\n", &t); ^ user.cpp:26:32: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(text, 60001, fin); ^