Borderou de evaluare (job #112691)

Compilare: user.cpp: In function ‘int main()’: user.cpp:43:15: warning: unused variable ‘c1’ [-Wunused-variable] user.cpp:43:20: warning: unused variable ‘c2’ [-Wunused-variable] user.cpp:6:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:7:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:9:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]