Borderou de evaluare (job #522487)

Compilare: user.cpp:17:33: warning: multi-character character constant [-Wmultichar] user.cpp:21:37: warning: multi-character character constant [-Wmultichar] user.cpp:25:36: warning: multi-character character constant [-Wmultichar] user.cpp: In function 'int main()': user.cpp:9:25: warning: unused variable 'nrd' [-Wunused-variable] user.cpp:7:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] user.cpp:8:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]