Borderou de evaluare (job #261176)

Compilare: user.cpp: In function ‘int main()’: user.cpp:6:33: warning: unused variable ‘cn’ [-Wunused-variable] user.cpp:6:36: warning: variable ‘cnr’ set but not used [-Wunused-but-set-variable] user.cpp:7:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:8:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:9:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:12:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]