Compilare: user.cpp: In function ‘int main()’: user.cpp:80:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(readFile, "%d", &T); ^ user.cpp:83:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(readFile, "%d", &N); ^ user.cpp:84:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(readFile, "%d", &R); ^